GB/T12771 Polished Liquid Delivery Welded Stainless Steel Pipes 12Cr18Ni9
Basic Properties
Place of Origin:
CHINA
Brand Name:
TORICH
Certification:
ISO 9001
Model Number:
GB/T12771
Trading Properties
Minimum Order Quantity:
2 Tons
Price:
negotiable
Payment Terms:
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:
60000 Tons per Year
Product Summary
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 ...
Product Details
Highlight:
stainless tube steel
,large diameter stainless steel tube
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
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 | -- |
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