Factory Supply China ASTM A179/A192 Carbon Steel Seamless Boiler Tube /Seamless Steel Pipe

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Overview

Standard: ASTM SA210	Alloy Or Not: Carbon steel
Grade Group: GrA. GrC	Application: Boiler Pipe
Thickness: 1 - 100 mm	Surface Treatment: As customer's requirement
Outer Diameter(Round): 10 - 1000 mm	Technique: Hot Rolled/Cold Drawn
Length: Fixed length or random length	Heat treatment: Annealing/normalizing
Section Shape: Round	Special Pipe: Thick Wall Pipe
Place of Origin: China	Usage: Boiler and Heat Exchanger
Certification: ISO9001:2008	Test: ET/UT

 

Application

It is mainly used to make high-quality seamless carbon steel, for boiler pipes, super heat pipes

for bolier industry , heat changer pipe etc. With difference sizes and thickness

Main Grade

Grade of high-quality carbon boiler steel: GrA, GrC

Chemical Component

Element	Grade A	Grade C
C	≤0.27	≤0.35
Mn	≤0.93	0.29-1.06
P	≤0.035	≤0.035
S	≤0.035	≤0.035
Si	≥ 0.1	≥ 0.1

A For each reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted up to a maximum of 1.35 %.

Mechanical Property

	Grade A	Grade C
Tensile Strength	≥ 415	≥ 485
Yield Strength	≥ 255	≥ 275
Elongation rate	≥ 30	≥ 30

 

Test Requirement

Hydraustatic Test:

The Steel Pipe Should Be Tested Hydraulically One By One. The Maximum Test Pressure Is 20 MPa. Under The Test Pressure, The Stabilization Time Should Be Not Less Than 10 S, And The Steel Pipe Should Not Leak.

After The User Agrees, The Hydraulic Test Can Be Replaced By Eddy Current Testing Or Magnetic Flux Leakage Testing.

Flattening Test：

Tubes With An Outer Diameter Greater Than 22 Mm Shall Be Subjected To A Flattening Test. No Visible Delamination, White Spots, Or Impurities Should Occur During The Entire Experiment.

Flaring Test:

According To The Requirements Of The Purchaser And Stated In The Contract, The Steel Pipe With Outer Diameter ≤76mm And Wall Thickness ≤8mm Can Be Done Flaring Test . The Experiment Was Performed At Room Temperature With A Taper Of 60 °. After The Flaring, The Flaring Rate Of The Outer Diameter Should Meet The Requirements Of The Following Table, And The Test Material Must Not Show Cracks Or Rips

Hardness Test:

Brinell or Rockwell hardness tests shall be made on specimens from two tubes from each lot

Product Detail

Boiler Tube

GB/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M)-2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018