Alloy Steel Seamless Pipe

Short Description:

Type: Alloy Tube, Alloy Steel Tube, Seamless Alloy Steel Tube
Spec.: OD: 1/8” ~ 26”. WT: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD. LENGTH: Single, Double Random, etc.
Standard & Grade: GB/T 3091 , BS1387, EN39, EN1139, ASTM A53, A335, JIS G3444
Grade: Q195, Q215, Q235, Q345, S235JR, S275JR, STK 400, STK 500

Ends: Plain End, Beveled End, Thread End
Coating: Zinc coating: 10~50 g/m2

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Product Detail

Size Chart

Application

Product Tags

Details of Alloy Steel Seamless Pipe

What is an alloy steel seamless pipe?

There are two types of alloy steel pipe, high alloy steel pipe and low alloy steel pipe. Low alloy steel pipe manufacturing up of pipes with an alloying percentage of less than 5%. A high alloy steel's alloying content would be anything from 5% to roughly 50%. In alloy steel pipe, alloy steel seamless pipe become more and more popular. An alloy steel seamless pipe's working pressure capability is higher than other steel pipes. Alloy Steel Seamless Pipes are utilized in applications that demand moderate corrosion resistance, as well as good durability and a low cost. The High-Temperature Alloy Steel Boiler Pipe is typically utilized in applications where the ambient temperature reaches 500°C.

Chemical Composition of Alloy Steel Seamless Pipe

0.04-1

0.1-0.6

≤0.03

≤0.01

0.5

1.9-2.6

0.05-0.3

0.2-0.3

0.02-0.08

0.0005-0.006

≤0.03

1.45-1.75

Mechanical Property of Alloy Steel Seamless Pipe

Mechanical Property of Alloy Steel Seamless Pipe
Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
≥510	≥400	≥20

Equivalent Grades of ASTM A335M Alloy Steel Seamless Pipe

Name	Temper	Specification
Alloy 4130	N	MILT6736, AMS6360, AMS6371
Alloy 4140	N,A, T	AMS6381
Alloy 15CDV6	T1080, T980	AIR9160C, 1.7734.5, 1.7734.6

Material and types	Standard Code	Grades includes
Alloy Steel Seamless Ferritic and Austentic Boiler, Superheater, IBR approved Heat-Exchanger Pipes	ASTM A213/ ASME SA 213	T1, T2, T5 , T9, T22, T23, T91, T92
High Temperature Alloy Steel Seamless Pipe (Ferritic)	ASTM A335/ ASME SA 335	P1, P5, P9, P11, P12, P17, P22, P91, P92
Carbon and Alloy Steel Seamless Mechanical Tubing	ASTM A519/ ASME SA 519	4130, 4130X, 4140
High Temperature Alloy Steel Seamless Pipe (Ferritic)	EN10216-2	13CrMo4-5 10CrMo9-10 X10CrMoVNb9-1 15NiCuMoNb5-6-4

Product Specification and Size of ASTM A335 Alloy Steel Seamless Pipe

Available Specification

ASTM /ASME
Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Seamless Ferritic and Austentic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes	ASTM A213	Ø10.3~426 x WT1.0~36	T5, T9, T11, T12, T22, T91
Seamless Ferritic Alloy Steel Pipes for High Temperature Use	ASTM A335	Ø1/4"~42" x WT2~120mm	P5, P9, P11, P12, P22, P91, P92
Seamless Carbon and Alloy Steel for Mechanical Tubing	ASTM A519	Ø16"~42" x WT10~100mm	4130, 4130X, 4140

EN
Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Seamless Ferritic Alloy Steel Pipes for High Temperature Use	EN10216-2	Ø8"~42" x WT15~100	13CrMo4-5, 1-CrMo9-10, X10CrMoVNb9-1, 15NiCuMoNb5-6-4

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Size Chart of Alloy Steel Seamless Pipe

Hot Rolled Alloy Steel Seamless Pipe	Outside Diameter (mm)	Tolerance (mm)
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤190.5	+0.4/-1.2
	190.5＜OD≤228.6	+0.4/-1.6
Cold Drawn Alloy Steel Seamless Pipe	OD＜25.4	±0.10
	25.4≤OD≤38.1	±0.15
	38.1＜OD＜50.8	±0.20
	50.8≤OD＜63.5	±0.25
	63.5≤OD＜76.2	±0.30
	76.2≤OD≤101.6	±0.38
	101.6＜OD≤190.5	+0.38/-0.64
	190.5＜OD≤228.6	+0.38/-1.14
NPS Alloy Steel Seamless Pipe	1/8≤OD≤1-1/2	±0.40
	1-1/2＜OD≤4	±0.79
	4＜OD≤8	+1.59/-0.79
	8＜OD≤12	+2.38/-0.79
	OD>12	±1%

Application of Alloy Steel Seamless Pipe

Alloy steel seamless pipe is ideally suitable for chemical, petrochemicals and other energy-related applications. It has characteristics of high corrosion resistance and can be used in a wide range of industrial sectors.

- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
- Chemical industries
- Petrochemical industries
- Energy-related applications