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GB/T 12771 Liquid Delivery Welded Stainless Steel Pipes

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Payment Type:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm:

FOB,CFR,CIF,FCA,CPT

Min. Order:

2 Ton

Transportation:

Ocean,Land,Air

Port:

Ningbo,Shanghai

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: GB/T 12771

Brand: TORICH

Supply Ability & Additional Information

Packaging: in Plywood cases or bundles

Productivity: 60000 Tons per Year

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 60000 tons per year

Certificate: ISO 9001

HS Code: 7305390000

Port: Ningbo,Shanghai

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,FCA,CPT

Packaging & Delivery

Selling Units:: Ton

Package Type:: in Plywood cases or bundles

GB/T 12771 Liquid Delivery Welded Stainless Steel Pipes

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
Classification	D	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/ %
			non-proportional extension strength MPa	tensile strength MPa	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	210	410	20	--