AISI 4140 Alloy Seamless Steel Pipe

Description

AISI 4140 Alloy Seamless Steel Pipe is a high-quality alloy structural steel with excellent mechanical properties and processing properties. This steel is identified as 4140 in the US steel grade system, while in China, it is equivalent to the alloy structural steel 42CrMo. Correspondingly, the equivalent grade of 4130 steel tube in the United States is 30CrMo in China.

AISI 4140 Alloy Seamless Steel Pipe has very high strength and hardenability, which means that it can maintain its structural integrity under high pressure and stress environments. At the same time, it is also very tough, which means that it can maintain its shape when impacted or bent without breaking or breaking. These characteristics make AISI 4140 Alloy Seamless Pipe an ideal choice for manufacturing high-strength mechanical parts and structural parts.

Because AISI 4140 Alloy Seamless Steel Pipe has such excellent mechanical properties and chemical composition, it has a wide range of applications in many industries. For example, in the oil and gas industry, it is used to manufacture high-strength and high-corrosion-resistant components such as tubing, drill pipes, and wellhead equipment. In the aerospace industry, it is used to manufacture engine components and structural parts for aircraft and rockets. In addition, AISI 4140 Alloy Seamless Steel Pipe is also widely used in the automotive, machinery manufacturing, power and chemical industries.

Applications of AISI 4140 Alloy Seamless Steel Pipe:

1. Oil and Gas Industry: AISI 4140 Alloy Seamless Steel Pipe is used in drill collars, casing, tubing fittings, wellhead equipment, and high-pressure pipelines (such as API 5CT P110 grade seamless steel pipes), offering high pressure resistance and creep resistance.

2. Automotive and Rail Transportation: AISI 4140 Alloy Seamless Steel Pipe is used to manufacture high-load power transmission components such as drive shafts, half shafts, gears, connecting rods, and steering knuckles.

3. Machinery Manufacturing: AISI 4140 Alloy Seamless Steel Pipe is used in spindles, hydraulic cylinder rods, high-strength bolts, shafts, fixtures, mold base plates, and tooling structural components.

4. Energy Equipment: Steam turbine fasteners, generator shafts, and boiler high-temperature and high-pressure pipelines (requiring matching heat treatment and corrosive environment requirements).

5. Aerospace and Defense: Landing frame components, engine mounting components, gun barrel receivers, etc. (requiring strict heat treatment control).

6. Hydraulic and High-Pressure Systems: Precision-rolled/cold-drawn seamless steel pipes are used for high-pressure cylinders and hydraulic supports, requiring dimensional accuracy and resistance to bursting.

Standards

Material	API SPEC 5L	A25, A25A, B, X42, X46, X52, X56, X60, X65, X70, X80, X90, X100
	ASTM A53/ASME SA53	Grade A, Grade B,
	ASTM A106/ASME SA106	Grade A, Grade B, Grade C
	ASTM A210/ASME SA210	Grade A-1, Grade C
	ASTM A500/ASME SA500	Grade A, Grade B, Grade C, Grade D
	ASTM A501/ASME SA501	Grade A, Grade B
	ASTM A556/ASME SA556	Grade A2, B2, C2
	BS 3059	320, 360, 440, 620-460, 629-590, 762
	EN 10216-1&2	P195, P235, P265
	EN10297-2	E235, E275, E315, E355a, E470, C22E, C35E, C45E
	EN10210-1	S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H
	DIN 1629	st37.0, st44.0, st52.0
	DIN 1630	st37.4, st44.4, st52.4
	DIN 2391	st35, st45, st52
	DIN 17175	st35.8, st45.8
	JIS G3429	STH11, STH 12
	JIS G3444	STK290, STK400, STK500, STK490, STK540
	JIS G3454	STPG370, STPG410
	JIS G3455	STS370, STS410, STS480
	JIS G3456	STPT370, STPT410, STPT480
	JIS G3460	STPL380
	JIS G3461	STB340, STB410, STB510
	JIS G3464	STBL380
	JIS G3475	STKN400W, STKN400B, STKN490B
Size	O.D:6-2500mm W.T:0.9-120mm Length: 5.8m, 6m, 11.8m, 12m, or as required.
Technique	1) Hot Rolled	Package	1) Export standard package
	2) Cold Drawn		2) bundled wooden box
	3) Cold Rolled		3) suit for all kinds of transport, or be require

Standards and Classifications

Alloy steel pipe Standard & Mate

GB5310-2013 Standard: 20G,25MnG, 15MoG,15CrMoG, 20MoG, 12CrMoG, 12Cr2MoG, 12Cr1MoVG, 12Cr2MoWVTiB, 10Cr9Mo1VNb, 15CrMoG, 10CrMo910ASTM A209M/AS-209M Standard: A209T1/SA209 T1, A209 T1b/SA-209 T1b, A209T1a/SA209 T1a ASTM A213M/ASME SA 213 M Standard: T2, T5, T9, T11, T12, T22, T23, T24, T91, T911, T92, T122 ASTM A333M/ASME SA-333/SA333M Standard: Gr1, Gr3, Gr4, Gr6, Gr7,Gr8, Gr9, Gr10, Gr11 ASTM A334M/ASME SA-334/SA334M Standard: Gr1, Gr3, Gr6, Gr7,Gr8, Gr9, Gr11 ASTM A335/ASME SA335 Standard: P1, P2, P5,P5b, P5c, P9, P11, P12,P21,P22,P23, P24, P91, P92 ASTM A519 Standard: 4118, 4130,4135,4137,4140 ASTM A691 Standard: GRADE 91, CM65, CM70, CM75, CMSH70, CMS75, CMSH80, ASTM A691 Standard GRADE 1/2 Cr, GRADE 1CR, GRADE 1 1/4 CR, 2 1/4 Cr, 3CR, 5CR, 9 CR DIN17175 Standard: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910, 14MoV63,12Cr1MoV EN10216-2 Standard: P195GH, P235GH, P265GH, 13CrMo4-5, 10CrMo9-10, 16Mo3, 10CrMo5-5, X10CrMoVNb9-1 JIS G3458 Standard: STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26 JIS G3441 Standard: SCR420 TK,SCM415 TK, SCM418 TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK. NF A49-213/215 Standard: TU15D3, TU13CD4-04, TU10CD910, TUZ10CD505, Alloy C276 BS3059 Standard: S1-622-440, S2-622-440, S1-622-490, S2-622-490, S1-629-470, S2-629-470, S2-629-590 BS3604Standard: HFS625 CFS625 BS3606Standard: CFS625

Alloy steel pipe Size

O.D: 6-760mm W.T: 1-80mm Fixed Length: 5.8m, 6m, 11.8m, 12m, or random length as required.

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Packing & Delivery

Shipping By Sea

1. Standard packaging
2. Packaging according to customer requirements