Pickling Surface Welded Alloy Steel Pipe ASTM A250 Electric Resistance

Basic Information
Place of Origin: CHINA
Brand Name: TORICH
Certification: ISO 9001
Model Number: ASTM A250
Minimum Order Quantity: 2 Tons
Price: negotiable
Packaging Details: in Plywood cases or bundles
Delivery Time: 30-45 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Tons per Year
Detail Information
Product Name: ASTM A250 Electric-Resistance-Welded Ferritic Alloy-Steel Boiler And Superheater Tubes Type: Alloy
Surface: Pickling Material: T11 T22
Shape: Round Shape Usage: Boiler And Superheater
Length: 3-9m OD: 50-1000mm
WT: 0.25-50mm
High Light:

alloy steel tube


seamless alloy steel pipe

Product Description



GB/T12771 Polished Liquid Delivery Welded Stainless Steel Pipes 12Cr18Ni9



alloy steel pipe, alloy seamless steel pipe, alloy welded pipe,

seamless alloy steel pipe,alloy pipe,alloy steel tube

Standard ASTM A335,ASTM A213,JIS G3458,JIS A3462,DIN17175,GB5310,GB9948

ASTM A335 P2, ASTM A335 P12, ASTM A335 P11, ASTM A335 P22,

ASTM A335 P5, ASTM A335 P9, ASTM A213 T2, ASTMA213T11,



Outside Diameter 6 mm~2400mm
Wall thickness 1mm~120mm
Length 12m,11.8m,6m,5.8m or as required
Surface Black Painted,PE coated,Galvanized.
Export to



Viet Nam,Peru,Dubai,etc.


Alloy steel pipe applies to petroleum, chemical industry, electric power,

boiler, high temperature resistant, low temperature resistant,

corrosion resistant steamless steel pipe used.

Price term FOB,CIF,CFR,Ex-work,CNF,etc.
Contacts If you have any questions, please feel free to contact me.


Surface Quality:

Inside and outside surface is smooth.There is no delamination,crack,folding,double skin,twisted,pickling,residual scale or other defects.


Test Item:

Chemical Component

Tensile Test

Hydraulic Test

Eddy current Test

Flattening Test

Weld Transverse Bending Test

Intergranular Corrosion Test

Radiographic Inspection

Flanging Test

Austenitic Grain Size

Impact Test of Weld Joint


Tolerance of OD

Classification D Permissible Tolerance
H All Dimensions ±0.5% or ±0.20 ±0.75% or ±0.30
T <40 ±0.20 ±0.30
40~<65 ±0.30 ±0.40
65~<90 ±0.40 ±0.50
90~<168.3 ±0.80 ±1.00
168.3~<325 ±0.75%D ±1%D
325~<610 ±0.6%D ±1%D
610 ±0.6%D ±0.7%D or ±10



<40 ±0.15 ±0.20
40~<60 ±0.20 ±0.30
60~<100 ±0.30 ±0.40
100~<200 ±0.4%D ±0.5%D
200 ±0.5%D ±0.75%D


Mechanical properties of steel tubes

Number New Brand Ola Brand

non-proportional extension strength


tensile strength


elongation after fracture



Heat treatment condition Non-heat treatment condition
Not less than
1 12Cr18Ni9 1Cr18Ni9 210 520 32 25
2 06Cr19Ni10 0Cr18Ni9 210 520
3 022Cr19Ni10 00Cr19Ni10 180 480
4 06Cr25Ni20 0Cr25Ni20 210 520
5 06Cr17Ni12Mo2 0Cr17Ni12Mo2 210 520
6 022Cr17Ni12Mo2 00Cr17Ni14Mo2 180 480
7 06Cr18Ni11Ti 0Cr18Ni10Ti 210 520
8 06Cr18Ni11Nb 0Cr18Ni11Nb 210 520
9 022Cr18Ti 00Cr17 180 360 20 --
10 019Cr19Mo2NbTi 00Cr18Mo2 240 410
11 06Cr13Al 0Cr13Al 177 410
12 022Cr11Ti -- 275 400 18 --
13 022Cr12Ni -- 275 400 18 --
14 06Cr13 0Cr13 21 410 20




GB/T12771 Polished Liquid Delivery Welded Stainless Steel Pipes 12Cr18Ni9


GB/T12771 Polished Liquid Delivery Welded Stainless Steel Pipes 12Cr18Ni9


GB/T12771 Polished Liquid Delivery Welded Stainless Steel Pipes 12Cr18Ni9


Contact Details
Christine Guan

Phone Number : +8618968237897

WhatsApp : +8613736164628