AISI 4140 flanges

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AISI 4140 Flanges Product Overview

Size in Ready Stock:	1/2″ To 148″ \| DN15 to DN1200
Thread :	MNPT, BSPP, NPT, FNPT, BSPP, BSPT
Approval :	SABIC, KPI, BAPCO, KNPC, Saudi Aramco, MA’ADEN, Q CHEM, EIL, ADNOC, RINA, KOC
Suited for:	Marine, High Temperature, Seawater
European & American Standard:	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, UNS G41400, WNR. 1.7225, BS 10, EN-1092, DIN
Raw Material Origin:	Indian, European, Korean, UK, Japanese, German
Pressure Level:	150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB
Types of Faces :	T/G (Tongue And Groove ), RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint), M/F (Male And Female)
Service Life :	30+ years
MTC:	EN 10204/3.1B and 3.2
RFQ:	support@pipingmaterial.ae

Table of Content

AISI 4140 Flanges Specification
AISI 4140 Chromoly Blind Flanges Applications
AISI 4140 Pipe Flange Faces Types
Welding Requirements of 42CrMo4 Steel Flange
AISI 4140 Forged Steel Flange Diameter And Number Of The Bolt Holes
4140 Low Alloy Steel Flange Pressure Class Rating
Class 300 ASTM A182 G41400 Slip On Flanges Dimension Chart
Supported Documents For SAE 4140 Lap Joint Flanges
Common Types of AISI 4140 Steel Flanges
AISI 4140 Steel Reducing Flange Machining Tolerances
The Advantages of AISI 4140 Pipe Flange
Technical Information of AISI 4140 Pipe Flange
AISI 4140 Alloy Steel Flanges Heat Treatment
ASTM A182 Gr 4140 Flange Pressure Temperature Ratings
AISI 4140 Steel Slip On Flanges Finishes
AISI 4140 Flanges Equivalent
AISI 4140 Flanges Chemical Composition
SAE 4140 Flanges Mechanical Properties

SAE G41400 Blind Flange And DIN 1.7225 Slip On Flanges Suppliers In UAE

AISI 4140 Flanges Specification

Size In Ready Stock: 1/2″ to 48&#8243 | DN15 – DN1200

Maximum Size: NPS 26 to NPS 60 For Large Diameter

Manufacturing Way: Forged, Heat treated and machined

Bolts Hole Number: 4 To 48

Corrosion Resistance: Sulfuric and Hydrochloric Acid, Seawater

Surface Finish: Mirror & Stock Finish, Smooth Finish

Application: Nuclear Sectors, Oil & Gas Industry, Waterworks Systems, Power Plants

Testing: Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector

Documentation: MTC EN 10204/3.1B, Third Party Inspection

Packaging: Plastic Bag, Wooden Case, Carton Box

Value Added Services: Machining, Threading, Casting, Polishing, Cutting

Equipments: Pushing Machine, Press Machine, Bending Machine, Sand-blasting Machine, Electric Bevelling Machine

Get Quote Directly From AISI 4140 Flanges Suppliers in UAE

100% Tested AISI 4140 60k Weld Neck Flanges with MTC EN 10204 3.1/3.2

Aisi 4140 Flanges Standard Specification

ASTM A182 UNS G41400 Square Flanges And Werkstoff NR. 1.7225 Welding Neck Flange For Noncritical Applications In GCC Countries

AISI 4140 Chromoly Blind Flanges Applications

Aerospace Industry
Plumbing Industry
Oil and Gas Industries
Power Generation Industries
Automotive Industry
Marine & Shipbuilding
Petrochemicals
Sea Water treatment
Nuclear Sector

AISI 4140 Pipe Flange Faces Types

Full name	Short name	Marking on SAE 4140 flanges
4140 chromoly flat face flanges	FF	FF Blind
4140 AISI raised face flanges	RF	SORF
ASTM A182 Gr 4140 ring joint flanges	RTJ	RTJ
AISI SAE 4140 lap joint flanges	LJ	LJF
42CrMo4 steel male and female flanges	M&F	M&F
UNS G41400 large and small tongue and groove flanges	T&G	T&G

Welding Requirements of 42CrMo4 Steel Flange

GTAW(TIG) process
GMAW(MAG) process

AISI 4140 Forged Steel Flange Diameter And Number Of The Bolt Holes

Pressure class	Hole
UNS G41400 Class 150 flanges	25.4 mm/ 12 holes
4140 alloy Class 300 flanges	28.6 mm / 16 holes
1.7225 steel Class 400 flanges	34.9 mm / 16 holes
AISI 4140 chromoly Class 600 flanges	34.9 mm/ 20 holes
AISI 4140 chromoly steel Class 900 flanges	38.1 mm/ 20 holes
4140 steel Class 1500 flanges	54 mm/ 16 holes
AISI SAE 4140 Class 2500 flanges	73mm / 12 holes

Material Inspection Facilities In The Following Countries

Region	City	Country
Middle East	Dubai	United Arab Emirates
Middle East	Riyadh	Saudi Arabia
Middle East	Abu Dhabi	United Arab Emirates
Middle East	Dammam	Saudi Arabia
Africa	Abuja	Nigeria
Middle East	Doha	Qatar
Middle East	Jeddah	Saudi Arabia
Middle East	Kuwait City	Kuwait
MENA	Casablanca	Morocco
MENA	Cairo	Egypt
Africa	Cape Town	South Africa
Africa	Johannesburg	South Africa
Africa	Lagos	Nigeria

4140 Low Alloy Steel Flange Pressure Class Rating

Type	ASME/ ANSI B16.5	ASME/ ANSI B16.47 (Series A/ MSS SP44)	ASME/ ANSI B16.47 (Series B/ API605)
–	Size: 0.5″ to 24″	Size: 26″ to 60″	Size: 26″ to 60″
Weld neck	Class 150-2500	Class 150-2500	Class 150-2500
Long weld neck	Class 150-2500	Class 150-2500	Class 150-2500
Slip on	Class 150-1500	–	–
Lap joint	Class 150-2500	–	–
Blind	Class 150-2500	Class 150-2500	Class 150-2500
Socket weld	Class 150-1500	–	–
Threaded	Class 150-2500	–	–

SAE 4140 Lap Joint Flanges Manufacturers In Dubai Can Supply To Your Specifications At A Great Deal. Check Alloy Steel AISI 4140 Industrial Flanges Dimensions And MTC

Class 300 ASTM A182 G41400 Slip On Flanges Dimension Chart

NOMINAL BORE	DIA.(C)	THICK.(E)	DIA.(F)	DIA.(B)	DIA.(A)	HEIGHT1(H)	NBR	HOLES
1/2″	66.7	12.7	35.05	38	22.2	21	4	15.87
3/4″	82.6	14.3	42.93	48	27.7	24	4	19.05
1″	88.9	15.9	50.80	54	34.5	25	4	19.05
1 1/4″	98.4	17.5	63.50	64	43.2	25	4	19.05
1 1/2″	114.3	19.1	73.15	70	49.5	29	4	22.22
2″	127.0	20.7	91.95	84	61.9	32	8	19.05
2 1/2″	149.2	23.9	104.65	100	74.6	37	8	22.22
3″	168.3	27.0	127.00	117	90.7	41	8	22.22
3 1/2″	184.2	28.6	139.70	133	103.4	43	8	22.22
4″	200.0	30.2	157.22	146	116.1	46	8	22.22
5″	235.0	33.4	185.67	178	143.8	49	8	22.22
6″	269.9	35.0	215.90	206	170.7	51	12	22.22
8″	330.2	39.7	269.75	260	221.5	60	12	25.40
10″	387.4	46.1	323.85	321	276.2	65	16	28.57
12″	450.8	49.3	381.00	375	327.0	71	16	31.75
14″	514.4	52.4	412.75	425	359.2	75	20	31.75
16″	571.5	55.6	469.90	483	410.5	81	20	34.92
18″	628.6	58.8	533.40	533	461.8	87	24	34.92
20″	685.8	62.0	584.2td>	587	513.1	94	24	34.92
24″	812.8	68.3	692.15	702	616.0	105	24	41.27

Supported Documents For SAE 4140 Lap Joint Flanges

100% Radiography Test Report
Raw Material Test Reports
Material Traceability Records
Test Certificates certifying NACE MR0175, NACE MR0103
Material Test Certificates (MTC)
Fumigation Certificates
NABL Laboratory Reports
Commercial Invoice which includes HS Code
Quality Assurance Plan (QAP)
Certificate of Origin

Sales Representatives Are Available To Provide Prompt Quotes

MENA	Libya, Morocco, Tunisia, Algeria, Israel, Egypt, Palestine
Middle East Countries	Lebanon, Qatar, Saudi, Bahrain, UAE, Kuwait, Iraq, Jordan, Iran, Syria, Yemen
Africa	South Africa, Nigeria, Morocco, Kenya, Tunisia, Egypt, Algeria

Common Types of AISI 4140 Steel Flanges

ASTM A182 G41400 Lap Joint Flanges

AISI 4140 60k Weld Neck Flanges

4140 Chromoly Steel Socket Weld Flanges

AISI 4140 Chromoly Steel Slip On Flanges

AISI 4140 Chromoly Blind Flanges

AISI 4140 Steel Reducing Flange

AISI 4140 Steel Reducing Flange Machining Tolerances

Ordered Surface condition	Minimum stock removal
Peeled/Smooth Turned	1 % per side
Black	1.6 % per side

Check SAE 4140 Ring Type Joint Flanges Advantages. Buy UNS G41400 Threaded Flange From Verified Suppliers In The Middle East And South Korea

The Advantages of AISI 4140 Pipe Flange

Atmospheric Corrosion Resistence
Moderable Strength up to 315 degrees C
Increased Toughness
Fatigue Strength
Enhanced Resistance to impact and abrasion

Technical Information of AISI 4140 Pipe Flange

Specification	Manufacturing size range	Pressure class
ASTM A182 AISI 4140 ASTM SA182 AISI 4140	1/2″ to 48″ 15NB – 1200NB PN 2.5 – PN 400 For larger sizes please contact above AISI 4140 Flanges Suppliers in UAE	150# 300# 600# 900# 1500# 2500#
Coating types	Types	Marking
Black phosphating treatment Anti-rust painting Hot dip galvanized (Thickness 200μm) Electro galvanizing coating (Thickness 20-30μm) Electric zinc coated (Yellow zinc/ white) Oil Varnished Alloy material coated (Clad/ Lined)	ASTM A182 G41400 lap joint flanges AISI 4140 60k weld neck flanges 4140 chromoly steel socket weld flanges AISI 4140 75k LWN flanges (Long weld neck) 4140 chromium molybdenum steel threaded flanges AISI 4140 chromoly steel slip on flanges AISI 4140 chromoly blind flanges AISI 4140 steel reducing flange	Material grade Manufacturers logo / name (OEM) Origin of material Manufacturing date Sizes Standard name (EN 1092-1, ASME B16.5, JIS B2220, BS 4504, GOST 12820, SABS 1123) Face type Pressure class Heat number
Types of 4140 chrome moly steel blind flanges	Types of 4140 chrome moly weld neck flanges	Types of AISI 4140 chromoly steel slip on flanges
ASTM A182 G41400 flat face blind flange AISI SAE 4140 raised face blind flange	Flat face weld neck flange AISI 4140 60k long weld neck flange 4140 steel raised face weld neck flange	AISI 4140 steel flat face slip on flange 42CrMo4 steel raised face slip on flange
Applications and installations	German standard	Thread/screwed types of companion or SAE 4140 threaded flanges
Power generation plant Industrial piping connection (High/ Low pressure) Petrochemical plants Construction & mechanical systems industrial pressure vessels Nuclear energy sector These listed AISI 4140 Flanges Suppliers in UAE are physically verified also they have 5+ years experience in supplying UNS G41400 steel flange in South Africa, Middle east, Oman, Egypt, USA & Saudi Arabia	DIN 2578, 2573 Type 1 – flat DIN 2527 Type 5 – blind DIN 2627 to 2638 Type 11 – Weld neck DIN 2558, 2565, 2566, 2567, 2568, 2569 Type 12 – threaded DIN 2622, 2641, 2655, 2656 Type 2, 4 Lapped	BSPT thread (Female) BSP thread BSPP thread (Female & male) MPT thread FPT thread FNPT thread (Female) – ASME B1.20.1 MNPT thread (Male) NPT thread
AISI 4140 pipe flange meet the requirements of	Value added services	Manufacturing standard and origin country
Sour service NACE MR0103 NACE TM 0177 ISO 15156 EIL approved PWHT NACE MR0175 HIC tested IBR approved NACE TM-0284	Above listed AISI 4140 Flanges Suppliers in UAE & manufacturers offer these services: CNC machined Casting Threading Fastest delivery in Saudi Arabia & Middle east MTR’s Available Forging Polishing Electroplating Fabricate (100% Radiography) Drilling Cutting Metal stampings Beveling end Minor Fabrication Rolling Sand Blasting Tagging & marking De-burring Pickled Heat Treatment (Hardening & Tempering)	USA – ASME B16.5 Malaysia – MS 253 USA – MSS SP44 Malaysia – MS 816 USA – API-605 Australia and UK – BS 10 Germany – DIN Europe – BS EN 1092-1 Japan – JIS Europe – PN 10 to PN400 Europe – BS EN 1092-1 (Steel) USA – AWWA Europe – BS EN 1092-2 (Iron)- USA – ANSI B16.5 Italy – UNI 2276/ 6091 Korean – KS Russia – Ghost UK & Australia – BS 10 Europe – EN Europe – BS EN 1092-3 (Alloy) Europe – PN Germany – DIN USA – ANSI Malaysia – MS 253 Japan – JIS USA – AWWA Europe – ISO 7005 USA – API-605 France – NF E 29-200/ NF E 29-203 USA – CL 125 (Light weight) USA – ASA Italy – UNI 2276/ 6091 USA – MSS SP44 Canada – CSA B16.5/ B16.47 China – GB/T 9112 / 9119 Malaysia – MS 816 Russia – Ghost Australia – AS 2129
ASME standard of 4140 steel forged flange	Inspection plan	Other special AISI 4140 60k flanges
ASME B16.5 – 4140 chrome moly forged Flanges, Nominal Pipe Size 1/2 to 24″ ASME B16.20 – Ring Joint Gaskets for 1.7225 steel Flanges ASME B16.21 – Nonmetallic Flat Gaskets for UNS G41400 steel Flanges ASME B16.36 – AISI 4140 alloy steel orifice flanges ASME B16.34 – AISI 4140 large diameter flanges (26 to 60 Nominal Pipe Size) ASME B16.47 Series B (Formerly API 605 )- SAE 4140 large diameter flanges (26 to 60 Nominal Pipe Size)	Shell pressure test Tensile test Verify AISI 4140 flanges are manufactured as per the work order Impact test Visual inspection Positive Material Identification Test (PMI) – Important test to check chemical composition Material inspection AISI 4140 pipe flange dimensional check by ruler, calibrated caliper or tape Hardness test Dry film thickness check (for coating thickness by an elcometer)	UNS G41400 steel high hub blind flange 4140 alloy steel swivel flange AISI 4140 75k anchor flange AISI 4140 expander flange ASTM A182 Gr 4140 orifice plate 4140 low alloy steel reducing flange 4140 alloy spade flange 4140 AISI ring spacer flange Contact top 10 IBR approved AISI 4140 flanges suppliers & maufacturers for high quality material
ASTM A182 G41400 flanges American standards	Get quality assurance from above listed AISI 4140 flanges suppliers	Bolt Holes
ASME B16.5: Class 150 – 2500LBS ASME B16.47: Series A/ B ASME B16.36 (4140 alloy Orifice) ASME B16.48 (4140 alloy steel Spectacle Blinds )	Free replacement Mill certificate Third Party Inspection EN 10204 3.1 Certificate	4 to 24

Explore Nearby Locations For The Quickest Delivery Options

Country	Cities
Netherlands	Amsterdam
Netherlands	The Hague
Belgium	Brussels
Netherlands	Haarlem
Belgium	Meeuwen-Gruitrode
Belgium	Seraing
Netherlands	Eindhoven
Belgium	Ghent
Netherlands	Rotterdam
Belgium	Leuven
Belgium	Westerlo
Belgium	Antwerp

AISI 4140 Alloy Steel Flanges Heat Treatment

Grade	Type of Heat Treat	Cooling media	Soak Time in Inch/Minutes of maximum thick of forging	Temperature[°Celsius]
4140 AISI flanges	Normalising	Air	30	860-910
	Quenching	Quenching in water, oil or polymer	30	820-870
	Tempering	Air	60	670 (min)

ASTM A182 Gr 4140 Flange Pressure Temperature Ratings

Temp.°F	75# PSIG	150# PSIG	300# PSIG	400# PSIG
-20~100	145	290	750	1000
200	130	260	750	1000
300	115	230	720	965
400	100	200	695	925
500	85	170	665	885
600	70	140	605	805
650	60	125	590	785
700	–	110	570	755
750	–	95	530	710
800	–	80	510	675
850	–	65	485	650
900	–	50	450	600
950	–	35	320	425
1000	–	20	215	290
1050	–	–	145	190
1100	–	–	95	130
1150	–	–	65	85
1200	–	–	40	55

Temp.°F	600# PSIG	900# PSIG	1500# PSIG	2500# PSIG
-20~100	1500	2250	3750	6250
200	1500	2250	3750	6250
300	1445	2165	3610	6015
400	1385	2080	3465	5775
500	1330	1995	3325	5540
600	1210	1815	3025	5040
650	1175	1765	2940	4905
700	1135	1705	2840	4730
750	1065	1595	2660	4430
800	1015	1525	2540	4230
850	975	1460	2435	4060
900	900	1350	2245	3745
950	640	955	1595	2655
1000	430	650	1080	1800
1050	290	430	720	1200
1100	190	290	480	800
1150	130	195	325	545
1200	80	125	205	345