JIS G3458 Seamless Alloy Steel Pipe

Introduction

JIS G3458 standard covers seven grades: STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, and STPA26. Except for STPA12 steel pipes, other grades of steel pipes belong to chromium molybdenum steel pipes.

JIS G3458 alloy steel pipes shall be manufactured by seamless process, and the finishing method include hot finished and cold finished. We can heat treat the steel pipes to ensure the properties of steel pipes.

 

Product features

1. JIS G3458 alloy steel pipes are made of high quality alloy steel, which have high strength and excellent mechanical properties.

2. Good deformation resistance under high-temperature and high-pressure environments, sturdy and durable.

3. JIS G3458 alloy steel pipes are available in a wide range of sizes and thicknesses to meet industrial requirements.

4. Good corrosion resistance, extending the service life of steel pipes, avoiding unnecessary maintenance costs.

5. Strict quality control ensures high quality of alloy steel pipes.

 

Specification

Product name	Seamless Alloy Steel Pipes
Place of origin	China
Standard	JIS G3458
Material grades	STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26
Type	Seamless alloy steel pipe
Outer diameter	1/8"-26" (10.3mm-660.4mm)
Wall thickness	2mm-60mm
Length	3m-12m or customized length
Finishing method	Hot finished or cold finished
Pipe ends	Plain ends, Bevel ends or as per clients' requirements

 

Mechanical properties

Grade	Tensile strength,min(Mpa)	Yield strength,min(Mpa)
STPA12	380	205
STPA20	410
STPA22
STPA23
STPA24
STPA25
STPA26

 

Product show

In addition to JIS G3458 alloy steel pipes, we can also provide other standards alloy steel pipes, such as ASTM A335, ASTM A519, ASTM A213, JIS G3441, etc.

 

Applications

1. Power plant: JIS G3458 alloy steel pipes are commonly used in high-temperature boiler and pipeline systems of power plant.

2. Petrochemical: Suitable for transportation of high-pressure fluid and gas.

3. Industry equipment: Suitable for manufacturing of industry equipment that requires high strength and high-temperature resistant materials.

 

FAQ

Q: Why choose you over other suppliers?

A: Different types of steel pipes are available in a wide range of sizes and thicknesses. After receiving your order, we can rapidly prepare the goods from stock or pick them up from other well-known factories. The quality of steel pipes is very high, and the delivery is very fast.

Q: What is your payment terms?

A: One is 100% T/T, and another one is 30% prepayment and the balance payment of BL before shipment.

Q: How to guarantee your product quality?

A: Our quality management system meets the requirements of the GB/T19001-2016/ISO9001:2015 standard. So you don't need to worry about our product quality.

Q: Can I go to your company for visit?

A: Of course, warmly welcome to your visit at any time. Please let us know your schedule and we will pick you up.

Q: How do we get an offer?

A: Please send the product's specifications to us, including the material, size, form, etc. And then we will give you a quotation.

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