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

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
Place of Origin: CHINA Brand Name: TORICH
Certification: ISO 9001 Model Number: GB/T12771

Detail Information
Product Name: GB/T12771 12Cr18Ni9 Liquid Delivery Steel Pipes Type: Stainless
Surface: Pickling Material: 12Cr18Ni9 06Cr19Ni10 022Cr19Ni10 06Cr18Ni11Ti
Shape: Round Shape Usage: Liquid Delivery
Length: 3-9m OD: 50-1000mm
WT: 0.25-50mm
High Light:

stainless tube steel

,

large diameter stainless steel tube

Product Description

 

 

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

 

Application:

Corrosion resistant stainless steel welded steel pipe for liquid delivery.

 

Size:

OD:50-1000mm

WT:0.25-50mm

Length:3-9m

 

Production Method of Steel:

Electric arc furnace and refining outside the furnace

 

Delivery State:

Hot treatment and pickling.

 

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
A B
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

WC

SP

 <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

MPa

tensile strength

MPa

elongation after fracture

A/

%
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

 

Tag:

stainless tube steel

stainless steel round tube

large diameter stainless steel tube

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