Lap joint flange

lap joint flange

Industries such as duct and piping systems; mainly demand for lap joint flanges. This is because they are a flange of two-part. It comprises of end which is butt welded to a pipe.

Adding to this, when put for ideal use case, it resembles to a slip on flange. Other than this, it offers cost effective alternatives for wide industrial standards.

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Lap joint flange specification


Lap Joint Flange Specification

Manufacturing Standard Forged Lap Joint Flange Sizes Pressure Class
  • ASME B16.5 lap joint flange : NPS ½” – 24”
  • ASME B16.47 lap joint flange (Large size) : NPS 26” – 60”
  • ½” to 48″
  • 15 NB – 1200 NB

Send your sizes to above lap joint flange suppliers & manufacturers for factory price

  • Class 150
  • Class 300
  • Class 400
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500
  • PN6
  • PN10
  • PN16
  • PN25
  • PN40
  • PN64
Lap Joint Flange Manufacturing Method Wall Thickness Meaning Of LJ & LJRF
  • Plate
  • Forged lap joint flange (Strongest choice)
  • CNC machined lap joint flange from bar stock
  • Casting

All top 7 lap joint flange suppliers are genuine and supplied raised face lap joint flange to Saudi Arabia, South Africa, Egypt, UAE, USA & Qatar

  • SCH 10 / 10S to Schedule 160
  • LJ : Lap joint flange
  • LJRF : Lap joint flange raised face
Inspection Criteria Packaging and Marking Quality test & MTC
  • Outer & Inner Diameter of lap joint FF flange body
  • Diameter of A105 lap joint flange bolt circle & bolt hole
  • Straightness and alignment of lap joint ring type joint flange bolt hole
  • Hub Diameter Of
  • Thickness of weld end
  • Sizes
  • Manufacturer’s name, brand logo
  • Bore (if applicable)
  • Dimensional standard (ASME B16.5/ 16.47 etc)
  • Material specification
  • Pressure Rating Designation
  • Face type
  • Heat code
  • Production code of lap joint flange manufacturers
  • PMI
  • Hardness test
  • Shell pressure test
  • MTC EN 10204 type 3.1
  • Impact test
  • NACE MR0175
  • ISO 15156
  • Tensile test
  • Visual inspection for stainless steel 904L lap joint flange welding, surfaces & holes
Face Types Surface Finish Bolts Holes Of Flange LJ
  • Tongue & groove (T&G)
  • Male & female (M&F)
  • Lap joint flat face flange (FF)
  • Raised face lap joint flange (RF)
  • Lap joint RTJ flange (Ring type joint)
  • Smooth Finish
  • Spiral serrated
  • Serrated finish
  • Stock finish
  • 4 to 24

 

Why rely on existing suppliers? Obtain estimates from many accredited SS lap joint flange manufacturers in Dubai.

Cast, plate & forged lap joint flange material

Forged Plate Cast
Stainless Steel Lap Joint Flange
AISI 304/ A182 F304 lap joint flange ASTM A240 304 ASTM A351 CF8
ASTM A182 304L/ AISI 304L ASTM A240 304L ASTM A351 CF3
ASTM A182 310 ASTM A240 310 ASTM A351 CK20
ASTM A182 F316 lap joint flange/ AISI 316 ASTM A240 316 ASTM A351 CF8M
ASTM A182 316L/ AISI 316L ASTM A240 316L ASTM A351 CF3M
ASTM A182 316LN ASTM A240 316LN ASTM A351 CF3MN
ASTM A182 317 ASTM A240 317 ASTM A351 CG8M
ASTM A182 317 ASTM A240 317L ASTM A351 CG3M
ASTM A182 F347 ASTM A240 347 ASTM A351 CF8C
ASTM A182 F321 ASTM A240 321
ASTM A182 F904L ASTM A240 904L ASTM A351 CN2MCuN
ASTM A182 F6A ASTM A217 CA15
ASTM B462 UNS N08020 ASTM B 463 N08020 ASTM A351 CN7M
Duplex Steel Lap Joint Flange
ASTM A182 F51 / 2205 DSS ASTM A240 UNS S31803 ASTM A351 CD3MN
ASTM A182 F53 / 2507 SDSS ASTM A240 UNS S32750 A890 GR.5A CE3MN*
ASTM A182 F55 ASTM A240 UNS S32760 A890 GR.6A CD3MWCuN
Al 6XN ASTM A240 UNS N08367 ASTM A351 CN3MN
ASTM A182 F44 ASTM A240 UNS S31254 ASTM A351 CK3MCuN
ASTM A182 F60 ASTM A240 UNS S32205
Titanium Lap Joint Flange
ASTM B381 Grade F2 ASTM B265 UNS R50400 ASTM B367 GR.C2
ASTM B381 Grade F3 ASTM B265 UNS R50550 ASTM B367 GR.C3
Copper Lap Joint Flange
ASTM B283 UNS C37700 ASTM B152 UNS C10100 ASTM B22/B22M
ASTM B124 UNS C63000
Copper Nickel Lap Joint Flange
Copper nickel 90/10 : ASTM B151 UNS C70600 ASTM B122 CU-Ni 90/10 ASTM B466 CuNi10Fe 1Mn
Copper nickel 70/30 : ASTM B151 UNS C71500 ASTM B122 CU-Ni 70/30 ASTM B466 CuNi30Mn1FE
EEMUA 234 : UNS 7060X
EEMUA 145
EN 1652/ 12420/124491
Ductile Iron Lap Joint Flange
ASTM B381 GR.F2 ASTM B367 GR.C2
Nickel Alloy Lap Joint Flange
Inconel 800 – ASTM B564 ASTM B409 UNS N08800 A484 CU 5MCuC*
Inconel 825 – ASTM B564 ASTM B409 UNS N08825 A484 CU 5MCuC*
Inconel 600 – ASTM B564 ASTM B168 UNS N06600 A494 CY40*
Inconel 601 – ASTM B564 ASTM B168 UNS N06601
Inconel 625 Lap Joint flange – ASTM B564 ASTM B168 UNS N06625 A494 CW6MC*
Monel 400 Lap Joint flange – ASTM B564 ASTM B127 UNS N04400 A494 M35-1
Monel K500 – ASTM B564 ASTM B127 UNS N05500 A494 M30H
Hastelloy C-22 – ASTM B366 ASTM B575 UNS N06022 ASTM A494 CX2MW
Hastelloy C 276 Lap Joint flange – ASTM B366 ASTM B575 UNS N10276 ASTM A494 CW12MW
Carbon Steel Lap Joint Flange
ASTM A105 lap joint flange ASTM A515 Grade 60
ASTM A105N ASTM A216 WCB and WCC
ASTM A350 Grade LF2 ASTM A352 LCB and LCC
ASTM A350 Gr LF3 ASTM A352 LC3
ASTM A350 Gr LF6
LTCS ASTM A352 LCC
ASTM A694 F42 ASTM A572 Gr 42
ASTM A694 F46
ASTM A694 F50 ASTM A572 Gr 50
ASTM A694 F52
ASTM A694 F60 ASTM A572 Grade 60
ASTM A694 F65 ASTM A572 Grade 65
ASTM A694 F70 ASTM A572 Grade 70
S235JRG2, P250GH, 1.4541, 1.4571
Alloy Steel Lap Joint Flange
ASTM A182 Grade F5A & F5 ASTM A387 Grade 5 ASTM A217 Gr C5
ASTM A182 F1
ASTM A182 F9 ASTM A387 Grade 9 ASTM A217 Gr C12
ASME/ ASTM A182 F11 ASTM A387 Grade 11 ASTM A217 Gr WC6
ASTM A182 F22 ASTM A387 Gr 22 ASME/ ASTM A217 Grade WC9
ASTM A182 F91 ASTM A387 Gr 91 ASTM A217 Grade C12A

Lap Joint Flange Material

Types of lap joint flanges

  • Forged lap joint flange
  • Cast lap joint flange
  • Lap joint plate flange (made from plate)
  • CNC machined lap joint flange

 

ASTM A182 F304 lj flange

ASTM A182 F304 lj flange

Stainless steel lap joint flanges

Stainless steel lap joint flanges

ASTM A105 lap joint pipe flanges

ASTM A105 lap joint pipe flanges

Duplex steel raised face lap joint flange

Duplex steel raised face lap joint flange

Carbon steel lap joint flanges

Carbon steel lap joint flanges

SS lap joint flanges

SS lap joint flanges

Alloy steel lap joint flange

Alloy steel lap joint flange

Super duplex stub flange

Super duplex stub flange

ASTM A182 F316 lap joint pipe flanges

ASTM A182 F316 lap joint pipe flanges

ASME B16.5 raised face lap joint flanges

ASME B16.5 raised face lap joint flanges

ASTM A350 lf2 lap joint flange

ASTM A350 lf2 lap joint flange

SS vanstone flange

SS vanstone flange

Lap joint pipe flange isometric symbol

Isometric Symbol Image Flange
Lap joint pipe flange isometric symbol lap joint flange image Lap joint flange

 

International standards of lap flange

Australia & UK Europe Russia Italy
  • BS 10
  • EN 1092-1
  • BS EN 1092-2
  • BS EN 1092-3
  • Ghost
  • UNI 2276
  • UNI 6091
South Korean and China Malaysia France Canada
  • GB/T 9112 / 9119 (China)
  • KS B1503 (South Korean)
  • MS 816
  • MS 253
  • MS 253
  • MS 816
  • NF E 29-200
  • NF E 29-203
  • CSA B16.5
  • ANSI B16.47 Series A & B
USA Europe Germany Japan
  • API 605
  • ANSI B16.5
  • ANSI B16.48
  • ASA
  • CL 125 (Light weight)
  • MSS SP44
  • ASME B16.5 lap joint flange
  • ANSI B16.47 (API 605)
  • ANSI B16.36
  • AWWA
  • AWWA C207
  • PN 10 to PN400
  • BS EN 1759
  • ISO 7005
  • DIN
  • JIS
  • JIS B2220

 

Face types of ASME B16.5 lap joint flange

Face types of ASME B16.5 lap joint flange

 

Type Sealing way of lap joint flange
FF Flat face
LJRF Lap joint raised face
RTJ Ring Type Joint
M&F Male & female
T&G Tongue and Groove

 

Check dimensions

 

Carbon steel lap joint flange size chart

Number of Bolts
Size in Inch Size in MM 150 LBs 300 LBs 400 LBs 600 LBs 900 LBs 1500 LBs 2500 LBs
1/2 15 4 4 4 4 4 4 4
3/4 20 4 4 4 4 4 4 4
1 25 4 4 4 4 4 4 4
1 1/4 32 4 4 4 4 4 4 4
1 1/2 40 4 4 4 4 4 4 4
2 50 4 8 8 8 8 8 8
2 1/2 65 4 8 8 8 8 8 8
3 80 4 8 8 8 8 8 8
3 1/2 90 8 8 8 8  –  –
4 100 8 8 8 8 8 8 8
5 125 8 8 8 8 8 8 8
6 150 8 12 12 12 12 12 8
8 200 8 12 12 12 12 12 12
10 250 12 16 16 16 16 12 12
12 300 12 16 16 20 20 16 12
14 350 12 20 20 20 20 16
16 400 16 20 20 20 20 16
18 450 16 24 24 20 20 16
20 500 20 24 24 24 20 16
24 600 20 24 24 24 20 16

 

Height of raised face lap joint flange

Class Height
Class 150 1/6″
Class 300 1/6″
Class 400 1/4″
Class 600 1/4″
Class 900 1/4″
Class 1500 1/4″
Class 2500 1/4″

 

Lap joint flange dimensions

Lap joint flange dimensions

 

NPS 1/2 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 30 38 38 38 38 43
DIA D 90 95 95 120 120 135
Thickness Of (B) 11.2 14.3 14.3 22.3 22.3 30.2
Diameter Of (K) 60.3 66.7 66.7 82.6 82.6 88.9
H 16 22 22 32 32 40
Number Of (L) 4 4 4 4 4 4
DIA L 15.9 15.9 15.9 22.2 22.2 22.2
NPS 3/4 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 38 48 48 44 44 51
DIA D 100 115 115 130 130 140
Thickness Of (B) 12.7 15.9 15.9 25.4 25.4 31.8
Diameter Of (K) 69.9 82.6 82.6 88.9 88.9 95.2
H 16 25 25 35 35 43
Number Of (L) 4 4 4 4 4 4
DIA L 15.9 19.1 19.1 22.2 22.2 22.2
NPS 1 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 49.2 54 54 52 52 57
DIA D 110 125 125 150 150 160
Thickness Of (B) 14.3 17.5 17.5 28.6 28.6 35
Diameter Of (K) 79.4 88.9 88.9 101.6 101.6 108
H 17 27 27 41 41 48
Number Of (L) 4 4 4 4 4 4
DIA L 15.9 19.1 19.1 25.4 25.4 25.4
NPS 1.1/4 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 59 64 64 64 64 73
DIA D 115 135 135 160 160 185
Thickness Of (B) 15.9 19.1 20.7 28.6 28.6 38.1
Diameter Of (K) 88.9 98.4 98.4 111.1 111.1 130.2
H 21 27 29 41 41 52
Number Of (L) 4 4 4 4 4 4
DIA L 15.9 19.1 19.1 25.4 25.4 28.6
NPS 1.1/2 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 65 70 70 70 70 79
DIA D 125 155 155 180 180 205
Thickness Of (B) 17.5 20.7 22.3 31.8 31.8 44.5
Diameter Of (K) 98.4 114.3 114.3 123.8 123.8 146
H 22 30 32 44 44 60
Number Of (L) 4 4 4 4 4 4
DIA L 15.9 22.2 22.2 28.6 28.6 31.8
NPS 2 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 78 84 84 105 105 95
DIA D 150 165 165 215 215 235
Thickness Of (B) 19.1 22.3 25.4 38.1 38.1 50.9
Diameter Of (K) 120.7 127 127 165.1 165.1 171.4
H 25 33 37 57 57 70
Number Of (L) 4 8 8 8 8 8
DIA L 19.1 19.1 19.1 25.4 25.4 28.6
NPS 2.1/2 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 90 100 100 124 125 114
DIA D 180 190 190 245 245 265
Thickness Of (B) 22.3 25.4 28.6 41.3 41.3 57.2
Diameter Of (K) 139.7 149.2 149.2 190.5 190.5 196.8
H 29 38 41 64 64 79
Number Of (L) 4 8 8 8 8 8
DIA L 19.1 22.2 22.2 28.6 28.6 31.8
NPS 3 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 108 115 115 127 125 125
DIA D 190 210 210 240 265 305
Thickness Of (B) 23.9 28.6 31.8 38.1 47.7 66.7
Diameter Of (K) 152.4 168.3 168.3 190.5 203.2 228.6
H 30 43 46 54 73 92
Number Of (L) 4 8 8 8 8 8
DIA L 19.1 22.2 22.2 25.4 31.8 34.9
NPS 3.1/2 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 122 135 133
DIA D 215 230 230
Thickness Of (B) 23.9 30.2 35
Diameter Of (K) 177.8 184.2 184.2
H 32 44 49
Number Of (L) 8 8 8
DIA L 19.1 22.2 25.4
NPS 4 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 135 146 152 160 162 165
DIA D 230 255 275 290 310 355
Thickness Of (B) 23.9 31.8 38.1 44.5 54 76.2
Diameter Of (K) 190.5 200 215.9 235 241.3 273
H 33 48 54 70 90 108
Number Of (L) 8 8 8 8 8 8
DIA L 19.1 22.2 25.4 31.8 34.9 41.3
NPS 6 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 192 206 222 235 230 235
DIA D 280 320 355 380 395 485
Thickness Of (B) 25.4 36.6 47.7 55.6 82.6 108
Diameter Of (K) 241.3 269.9 292.1 317.5 317.5 368.3
H 40 52 67 86 119 152
Number Of (L) 8 12 12 12 12 8
DIA L 22.2 22.2 28.6 31.8 38.1 54
NPS 8 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 246 260 272 298 290 305
DIA D 345 380 420 470 485 550
Thickness Of (B) 28.6 41.3 55.6 63.5 92.1 127
Diameter Of (K) 298.5 330.2 349.2 393.7 393.7 438.2
H 44 62 76 114 143 178
Number Of (L) 8 12 12 12 12 12
DIA L 22.2 25.4 31.8 38.1 44.5 54
NPS 10 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 305 321 345 368 368 375
DIA D 405 445 510 545 585 675
Thickness Of (B) 30.2 47.7 63.5 69.9 108 165.1
Diameter Of (K) 362 387.4 431.8 469.9 482.6 539.8
H 49 95 111 127 178 229
Number Of (L) 12 16 16 16 12 12
DIA L 25.4 28.6 34.9 38.1 50.8 66.7
NPS 12 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 365 375 400 420 451 441
DIA D 485 520 560 610 675 760
Thickness Of (B) 31.8 50.8 66.7 79.4 123.9 184.2
Diameter Of (K) 431.8 450.8 489 533.4 571.5 619.1
H 56 102 117 143 219 254
Number Of (L) 12 16 20 20 16 12
DIA L 25.4 31.8 34.9 38.1 54 73
NPS 14 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 400 425 432 451 495
DIA D 535 585 605 640 750
Thickness Of (B) 35 54 69.9 85.8 133.4
Diameter Of (K) 476.3 514.4 527 558.8 635
H 79 111 127 156 241
Number Of (L) 12 20 20 20 16
DIA L 28.6 31.8 38.1 41.3 60.3
NPS 16 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 457 485 495 508 552
DIA D 595 650 685 705 825
Thickness Of (B) 36.6 57.2 76.2 88.9 146.1
Diameter Of (K) 539.8 571.5 603.2 616 704.8
H 87 121 140 165 260
Number Of (L) 16 20 20 20 16
DIA L 28.6 34.9 41.3 44.5 66.7
NPS 18 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 505 533 545 565 597
DIA D 635 710 745 785 915
Thickness Of (B) 39.7 60.4 82.6 101.6 162
Diameter Of (K) 577.9 628.6 654 685.8 774.7
H 97 130 152 190 276
Number Of (L) 16 24 20 20 16
DIA L 31.8 34.9 44.5 50.8 73
NPS 20 lap joint flange
Class CL 150 CL 300 CL 600 CL 900 CL 1500 CL 2500
Diameter Of (A) 560 587 610 622 641
DIA D 700 775 815 855 985
Thickness Of (B) 42.9 63.5 88.9 108 177.8
Diameter Of (K) 635 685.8 723.9 749.3 831.8
H 103 140 165 210 292
Number Of (L) 20 24 24 20 16
DIA L 31.8 34.9 44.5 54 79.4

 

Dimensional tolerances of stainless steel lap joint flange

O.D. I.D. O.D. of Hub Counter Bore Diameter
  • ≤ 24 = 1.6 millimeter
  • > 24 = ± 3.2 mm
  • ≤ 10 = ± 0.8 mm
  • ≥ 12 = + 1.6 mm / – 0 millimeter
  • ≤ 12 = + 2.4 mm / – 1.6 mm
  • ≥ 14 = ± 3.2 millimeter
  • Same as for I.D. (Inside Diameter)
Drilling Bolt Circle (B.C.) Eccentricity Wall Thickness Length thru Hub
  • 1.6 mm (Bolt circle)
  • ± 0.8 mm (Spacing of bolt hole)
  • ≤ 2.1/2 = 0.8 mm (maximum)
  • ≥ 3 = 1.6 mm (maximum)
  • ≤ 18 = + 3.2 mm / – 0
  • ≥ 20 = + 4.8 mm / – 0
  • ≤ 18 = + 3.2 mm / – 0.8 millimeter
  • ≥ 20 = + 4.8 mm / – 1.6 mm
Contact Face Diameter
  • (RF) 1.6 mm = ± 0.8 mm to 6.35 mm
  • Male & Female and Tongue & Groove = ± 0.4 mm

 

Pressure class of back up flanges

EN 1092-1 lap joint flange
  • PN6
  • PN10
  • PN16
  • PN25
  • PN40
  • PN63
  • PN100
KS1503/ JIS B2220 lap joint flange
  • 5K
  • 10K
  • 16K
  • 20K
  • 30K
ASME B16.5 lap joint flange
  • #150
  • #250
  • #300
  • #350
  • #400
  • #600
  • #900
  • #1500
  • #2500
SANS/SABS 1123 lap joint flange
  • Class 600/3
  • 1000/3
  • 1600/3
  • 2500/3
  • 4000/3

 

Specification of copper nickel lap joint flange

Cupro Nickel Lap Joint flange Manufacturing Sizes Drilling & OD Diameter Of Cu-Ni Lap Joint Pipe Flange Large Size Of Copper Nickel LJ Flange
  • ½” To 36″
  • 16MM To 914MM
  • ½ inch – 24 inch
  • 16MM – 610MM
  • 24″ – 36″
  • 711 To 914MM

Accoding to MSS SP-44

UNS C70600 Lap Joint Flanges Pressure Class Composite CUNI LJRF Flanges Are Manufactured From Recommended Hardware Of Copper Nickel Loose Hubbed Flanges
  • 16 bar
  • 20 bar
  • ASTM A105N
  • Welded UNS C70620 copper nickel disk
  • As per ANSI/ASME B16.5
C71500 Lap Joint Flanges Coating Types Most Demanded Types Of C70600 LJ Flange Applications & Uses Of Copper Nickel Lap Joint RTJ Flange
  • Hot dipped galvanising
  • Composite lap joint flanges
  • Solid lap joint flanges
  • Petrochemical
  • Offshore
  • Petroleum plants
  • Marine applications
  • Seawater
Grade UNS Number Standard
  • Copper nickel 90/10
  • Copper nickel 70/30
  • UNS 7060X
  • UNS C70620
  • CW352H
  • EN 1652
  • ASTM B467
  • EEMUA 234
  • MIL-T-16420K
  • EEMUA 234/3-6
  • EN 12420
  • DIN 86019
  • ASTM B4662
  • EEMUA 145
  • EN 124491
  • WL 2.1972

 

Alloy steel lap joint flange temperature range

Alloy Grade UNS Forged lap joint flange Casting lap joint flange DIN WNR Temperature range
Moly steel lap joint flange C-1/2Mo K12822 ASTM A182 Gr F1 cl2 ASTM A217-WC1 15M03 1.5415
  • Up to 470ºC*
  • 875ºF
Alloy steel chrome moly lap joint flange 1.1/4Cr-1/2Mo K11572 ASTM A182 Gr F11 cl2 ASTM A217 WC6 13CRM044 1.7335
  • Up to 593ºC
  • 1100ºF
2.1/4Cr-1Mo K21590 ASTM A182 Grade F22 cl3 ASTM A217 Gr WC9 10CRM0910 1.7380
  • Up to 593ºC
  • 1100ºF
5Cr-1/2Mo K41545 ASTM A182 Grade F5/F5a ASTM A217 Gr C5 12CRMO195 1.7362
  • High temp boiler/ refinery application
9Cr-1Mo K90941 A182 Gr F9 A217-C12 X 12 CrMo 9 1 1.7386
  • High temp erosive refinery application
9Cr-1Mo-V A182 Gr F91 A217-C12A X 10 CrMoVNb 9 1 1.4903
  • High pressure boilers
Alloy steel lap joint flange AISI 4130 lap joint flanges G41300 ASTM A182 ASTM A217/M  1.7218
  • 899 to 927°C
  • 1650 to 1700°F

 

Germany DIN standard of van stone flanges

 

Italian UNI standard of LJ flange

  • UNI 6088
  • UNI 6089
  • UNI 6090
  • UNI 2299
  • UNI 2300

 

British BS standard of LJRF flange

  • BS 4504 (PN 2.5 to PN 40)
  • BS 10 (Tables D, E, F and H)

 

Japanese JIS standard of loose Ring flanges

  • JIS B2311
  • JIS B2220
  • JIS B2312
  • KS B1522
  • KS B1541
  • KS B1543
  • KS1503

 

EN 1092-1 TYPE 02 lap joint flange weight

DN PN 6
KG
PN 10
KG
PN 16
KG
PN 25
KG
PN 40
KG
10 0.345 0.591 0.678 0.591 0.591
15 0.388 0.654 0.768 0.654 0.654
20 0.568 0.909 1.09 0.909 0.909
25 0.688 1.08 1.30 1.08 1.08
32 1.12 1.77 1.91 1.77 1.77
40 1.29 2.02 2.15 2.02 2.02
50 1.42 2.52 2.53 2.52 2.65
65 1.76 3.05 3.03 3.05 3.36
80 2.84 3.48 3.92 3.48 4.18
100 3.10 4.20 4.62 4.20 5.87
125 4.12 5.21 6.30 5.21
150 4.53 6.89 7.81
200 6.51 8.87

 

Lap joint flange weight chart & dimensions

 

Compare the price of alloy steel lap joint pipe flanges and raised face lap joint flange in Bahrain

Not only in countries like Bahrain, there are many other factors that affect the pricing variation between the two. This is because of the unique appearance that is seen.

When dealing with ASTM A105 lap Joint Flange, they have a flat face with an enriched surface, which is smooth.

On the other hand, raised face lap joint flange do not have a flat face. Instead, they have a face which is raised only when they are combined with the stub ends.

But ideally, industrial standards find flanges of lap joint to be cost effective than the one having raised face. It also depends on various other factors such as availability, quantity in demand, and much more.

There are several manufacturing standards out there, providing effective and cost efficient stainless steel lap joint flanges. Similar ideology is followed by the listed supplier and the manufacturers at pipingmateria.ae.

Here the customers are welcomed with cost effective alternatives, where they quote reasonable pricing for the customers.

Worried whether there is retail pricing from small amounts for stainless lap joint flange, contact details of the manufacturers and suppliers are open to the customers for free. So, it becomes easy for the customers to check out for the pricing comparison.

Adding to this, you would also get lap joint flanges manufacturers and suppliers, who are 100% genuine, listed and verified.

Several other service are also associated; with the aim to deliver quality assurance for products to an end user. This is one of the reason why they are one of the leading and prominent ASME lap joint flange suppliers in UAE.

Rather than sticking to one single suppliers, it is highly advisable for the customers to bring variation for the same.

This variation, in turn, is beneficial as they are technically well equipped to guide you on how SS lap joint flanges are beneficial for ideal use case and how it works. For instance, customers are guided with the basic functionality of this material on how we butt weld the stub ends to the pipes. This is also accompanied by rotating the flange ring, until it aligns with mating flange.

Request prices from duplex steel lap joint backing flange manufacturers directly for the lowest price in middle east countries

Since lap joint flange B16.5 provides cost effective alternatives, it is highly available out there for covering wide range of industrial applications.

Low cost is also associated with excellent resistance to corrosion and exhibiting good strength characteristics. In addition to this, they also offer good machining characteristics. These are the prime reasons for reasonable price quotations for customer, so that they can take benefits at affording pricing.

Hence, best origin to buy this product would be from UAE and other middle eastern countries, who also assure these properties, in accordance with respective testing, certificate and material standards for stub end lap joint flange.

Always check SS lap joint flanges dimensions and ANSI lap joint steel flange size chart before buying

Before choosing or purchasing, be aware and apt with the associated dimensional aspects of ANSI B16.5 lap joint flanges. This is because each size and dimension have their unique ability to deliver the properties, when seen for ideal use case.

Suppliers and manufacturers provide this material within the size range of 1/2’’ – 24’’. If custom dimensions are needed, then approach to the listed manufacturers who quote reasonable pricing for you.

LJ flanges material :

Import price and shipping time variations for Lap joint flange: :

Singapore Azerbaijan Egypt
Estimated Shipping 8 days 30-45 days 18 days
Extra cost 5% 5% 5%
Turkey Libya Nigeria
Estimated Shipping 21 days 45-60 days 30 days
Extra cost 5% 5% 5%
Note: Get updated price list from the verified A105 lap joint flange stockist, manufacturers and suppliers listed on pipingmaterial.ae