China Seamless Carbon Steel Pipe Sch 40 GB/T3087 20 Grade Alloy Steel Tube Seamless Boiler for sale

Seamless Carbon Steel Pipe Sch 40 GB/T3087 20 Grade Alloy Steel Tube Seamless Boiler

Name: Seamless Carbon Steel Pipe Sch 40 GB/T3087 20 Grade Alloy Steel Tube Seamless Boiler
Brand: Cangzhou Baoyang Pipeline Equipment Co., Ltd.

Price Negotiable

Price: Negotiable

MOQ: 1

Delivery Time: 7~30 working days

Brand: BaoYang

Product Description

Sch40 GB/T3087 20 Grade Alloy Seamless Boiler Pipe: A High-Performance Option for Boiler Applications

1. Product Description: Sch40 GB/T3087 20 Grade Alloy Seamless Boiler Pipes are engineered to meet the demands of high-pressure and high-temperature boiler systems. These pipes are manufactured from alloy steel and are seamless, providing a uniform wall thickness and ensuring excellent structural integrity. The 'Sch40' denotes the standard weight and dimensions according to ASME B36.10, while GB/T3087 is the Chinese national standard that specifies the requirements for these alloy steel pipes.

2. Product Parameters:

Parameter	Description
Grade	20 Grade
Material	Alloy Steel (Seamless)
Standard	GB/T3087, ASME B36.10
Schedule	Sch40
Size Range	Various diameters and wall thicknesses as per GB/T3087
Length	Standard lengths, customizable upon request
Ends	Plain ends, beveled ends, threaded, or socket-weld ends
Surface Treatment	As-rolled, annealed, or normalized

3. Mechanical Properties:

Property	Requirement
Tensile Strength	≥415 MPa (60,000 psi)
Yield Strength	≥240 MPa (35,000 psi)
Elongation	≥20% in 50 mm (2 in) or 4D, whichever is greater
Hardness	Varies depending on heat treatment and processing

4. Chemical Composition:

Element	Typical Range (%)
Carbon	0.17 - 0.24
Manganese	0.35 - 0.65
Silicon	0.17 - 0.37
Chromium	≤ 0.030
Copper	≤ 0.030

5. Product Uses:

Boiler Tubes: Used in power and industrial boilers for steam generation.
Superheater Tubes: Employed in the superheater sections of steam power plants.
Heat Exchangers: Suitable for use in heat exchangers operating under high pressure and temperature.
Pressure Vessels: Ideal for construction of high-pressure vessels and reactors.

6. Product Grade Standards:

GB/T3087: This Chinese national standard specifies the requirements for alloy steel pipes intended for high-temperature and high-pressure boiler and superheater applications.
ASME B36.10: This standard covers the dimensions and weights of seamless钢管 (pipes), including Sch40.

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