EN 10253-2 Elbow

EN 10253-2 Elbow

Used to connect two pipes, they change the flow of media at a predetermined degree. Although the degree of the fitting can be changed, an EN 10253-2 Elbow is most easily available at 45 and 90 degrees.

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EN 10253-2 elbow specification

EN 10253-2 buttweld fittings sizes Meet the requirements Material
  • Steel EN 10253-2 welded elbow : 24 – 96″ (BW)
  • DN 15 – DN 1400mm
  • BS EN 10253-2 seamless elbow : 1/2″ – 24″ (BW)
  • Sour service
  • NACE MR0103
  • ISO 15156
  • MTC EN 10204-3.1
  • NACE TM-0284
  • NACE MR0175
EN 10253-2 type a elbow groups Manufacturing method EN 10253-2 Type B elbow end
  • EN 10253-2 short radius elbow (45/ 90/ 180 degrees)
  • DIN EN 10253-2 long radius elbow (45/ 90/ 180 degrees)

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  • Piercing
  • Hot Forming
  • Flat rolling
  • Hamming
  • Shape rolling
  • Hot mandrel bending
  • Pipe rolling
  • Pressing
  • Buttweld
  • Bevel end
  • BE
EN 10253-2 type a thickness tolerance Schedule chart Testing & quality inspection list
  • +/-12.5%

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  • SCH 10
  • SCH 20
  • SCH 40
  • SCH 60
  • SCH 80
  • SCH 160
  • STD
  • XH
  • XXH
  • PMI – Positive Material Identification
  • MT
  • Ultrasonic test
  • HIC tested
  • X-ray test
  • Magnetic Particle Examination (For above Sch 80 EN 10253-2 bevel ends)

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Types of BS EN 10253-2 reducing elbow Manufacturing form Radius
  • 90° EN 10253-2 type a reducing elbows
  • 45° BS EN 10253-2 reducing elbows
  • 135° EN 10253-2 type b reducing elbows
  • 180° Steel EN 10253-2 reducing elbows
  • EN 10253-2 standard  buttweld elbows
  • DIN EN 10253-2 long sweep elbow
  • Poland standard EN 10253-2 street elbow
  • BS EN 10253-2 return bend
  • Short radius (SR) R=1D
  • Long radius (LR) R=1.5D
Meet standard Possible bend angle Dimensional tolerances & standard
  • DIN 2605
  • DIN 2615
  • GOST 17375
  • DIN 2616
  • JIS B2312
  • JIS B2311
  • 60 Deg
  • 45 Deg
  • 30 Deg
  • 90 Deg
  • 22.5 Deg
  • custom
  • MSS-SP-83
  • ANSI / ASME B16.9
  • MSS-SP-95
  • ANSI/ ASME B16.25 (butt welding bevel end)
  • MSS SP 75
  • ANSI/ ASME B16.28
  • MSS-SP-43
DIN EN 10253-2 R calculation Dimensions Download PDF
  • type 2: r ~ 1,0.da
  • type 3: r ~ 1,5.da
  • type 5: r ~ 2,5.da
  • type 10: r ~ 5,0.da
  • type 20: r ~ 10,0.da

Buy en 10253-2 type B elbow in all sizes in the middle east and India, check BS EN 10253-2 long radius 90 deg elbow price per KG

EN 10253-2 type b elbow welding techniques

Welding techniques name Suitable welding electrodes & filler metal
TIG (Tungsten Inert Gas) ER316
Electrode ER308
Filler metal ER309
Welding wire ER308L
MIG ER347

BS EN 10253-2 elbow angularity

Angularity
NOMINAL PIPE SIZE ( NPS ) OFF ANGLE Q (MM) OFF PLANE P (MM)
3 TO 3 1/2 2.0 4.0
20-24 5.0 10.0
10-18 4.0 10.0
1/2 TO 2 1/2 1.0 2.0
5-8 3.0 6.0
4 3.0 5.0

DIN EN 10253-2 dimensional tolerance

Dimensional Tolerance
ALL 90 ° & 45 °
ELBOW
NOMINAL PIPE SIZE( NPS ) INSIDE DIAMETER AT END (MM) OUTSIDE DIAMETER ATBEVEL (MM) WALL THICKNESS CENTRE TO END (MM)
DIAM
ETER OUTSIDE AT BEVEL
+ 2.0
-2.0
+ 2.0
-2.0
+ NOT SPECIFIED
-15.00 %
+ 2.0
-2.0
3 ” -4 “ + 2.5
-2.5
+ 2.5
-2.5
5 ” -8 “ + 3.5
-3.5
+ 3.5
-3.5
+ 3.2
-3.2

Preparation of DIN EN 10253-2 welding end

Buttweld STD ASTM A234 ANSI B16.9 Welding End Preparation to ANSI B16.25
WALL THICKNESS WELDING AND PREPARATION
MORE THAN 22 ( B ) COMPOUND BEVEL AS SKETCH
T ( ) TO 22 ( A ) PLAIN BEVEL AS SKETCH
LESS THAN T ( * ) SLIGHTLY CHAMFERED AT MANUFACTURER’S OPTION OR CUT SQUARE
NOTE : – ( * ) T = 5 FOR CARBON ,WROUGHT IRON OR FERRITIC ALLOY STEEL
T = 4 FOR AUSTENITIC ALLOY STEEL

Comparison between EN 10253-2 type A & type B

Items Type Maximum utilization rate
114.3 x 3.6 Equal Tee EN10253-2 B 100%
A 34%
114.3 x 3.6 Elbow 90° EN10253-2 3D B 100%
A 77%

Elbow En 10253-2 type a 3d dimensions

DN C B – W – Z R D
15 76 49 38 21.3
20 76 51 38 26.9
25 76 56 38 33.7
90 64 45 38
32 96 69 48 42.4
40 114 82 57 48.3
126 88 63 51
144 100 72 57
50 152 106 76 60.3
184 127 92 70
65 190 133 95 76.1
80 228 159 114 88.9
267 184 133 101.6
285 196 142,5 108
100 304 210 152 114.3
362 247 181 133
125 380 260 190 139.7
432 295 216 159
150 457 313 229 168.3
540 367 270 193.7
200 610 414 305 219.1
680 462 340 244.5
250 762 518 381 273
300 914 619 457 323.9
350 1 066 711 533 355.6
400 1 220 813 610 406.4
450 1 372 914 686 457
500 1 524 1 016 762 508
550 1 676 1 118 838 559
600 1 828 1 219 914 610
650 1 980 1 320 990 660
700 2 134 1 422 1 067 711
750 2 286 1 524 1 143 762
800 2 438 1 626 1 219 813
850 2 592 1 728 1 296 864
900 2 744 1 829 1 372 914
1 000 3 048 2 032 1 524 1 016
1 050 3 201 2 134 1 600 1 067
1 100 3 354 2 236 1 677 1 118
1 150 3 504 2 336 1 752 1 168
1 200 3 658 2 438 1 829 1 219

BS EN 10253-2 heat treatment conditions

Steel grades Condition a Heat treatment
P215NL N
P265NL N
12Ni14 NT or QT
X10Ni9 NT or QT
16Mo3 N
P355NH N
X10CrMoVNb9-1 NT b
P355N N
L360QB QT
L415NB N
L415QB QT
P355NL1 N
L290NB N
L360NB N
10CrMo5-5 NT b
13CrMo4-5 NT b
10CrMo9-10 NT b
X11CrMo5 I or NT
X11CrMo9-1 I or NT
P235TR2 N
P265TR2 N
P235GH N
P265GH N
L450QB QT

Steel EN 10253-2 bend radius

Sr 10253-2 EN 2605-1 DIN
Bauart r Type r
21,3 2 17,5 2D 25
3 28 3D 38
5 42,5 5D 42,5
26,9 2 25 2D 25
3 29 3D 38
5 57,5 5D 57,5
33,7 2 25 2D 25
3 38 3D 38
5 72,5 5D 72,5
42,4 2 32 2D 32
3 48 3D 48
5 92,5 5D 92,5
48,3 2 38 2D 38
3 57 3D 57
5 107,5 5D 109,5
60,3 2 51 2D 51
3 76 3D 76
5 135 5D 137,5

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Referred to as quarter bends, these fittings change the direction of flow by 90 degrees to form a perpendicular pipeline. They make a quick turn and are useful as instrumentation devices or to control a process system. They are seen in sectors such as chemical processing, fluid power, electronic, petroleum, pulp & paper plants.

According to the specification, the steel used here is of the killed variety. Typically, the elbow is produced from plates, sheets or tubes (seamless or welded). If they are produced from sheets or plates, the elbows are welded after being bent and formed to the desired state. When tubes are used to produce an En 10253-2 Type A Elbow, dies help shape and form the product. This process calls for the simultaneous use of heat, and force (bending and shaping). After the products are formed, they are cleaned and heat treated in accordance with the specification.

There are 4 types of fittings available based on their connection to a pipe including – buttweld, socket welded, threaded and flanged En 10253-2 Type B Elbow.

Refer to EN 10253-2 elbow 3D dimensions and EN 10253-2 short radius elbow weight chart in pounds

These refer to the bend radius bigger than the diameter of a pipe. A 5D bend means, the bend radius of an En 10253-2 Elbow is sized at 5 times its pipe’s nominal diameter. Similarly, the bend radii for both a 2D & 3D elbow would be 2 & 3 times its pipes ND respectively. Compared to the other two, a 5D bend offers a smoother performance during its change in the pipeline’s direction.

EN 10253-2 elbow 5D available in all ferrous and non-ferrous metals including stainless, carbon, alloy steel, aluminum & copper as per ASME B16.9

The right fitting is often based on 3 parameters – cost, application type and temperature requirements. For environments that deal with very high temperatures, carbon steel is ideal to be used as fittings. If the requirement of an application is corrosion resistance, then using materials like stainless steel, monel, Inconel, Hastelloy etc, would be perfect. If an EN 10253-2 Short Radius 45 Degree Elbow needs to be cost-effective, alloy steel or carbon steel would be your best bet.

Difference between EN 10253-2 type a and type b elbow?

Both elbow types are intended to be used in applications covered under EU Directive 97/23/EC. The primary difference between them is their wall thickness. EN 10253-2 Type A elbows are produced with the same thickness throughout their body, including the welding, ends. The thickness of a Type B Elbow will have an increased wall thickness only at its body. From its pressure perspective, type B can withstand a higher pressure in comparison to type A elbows.