
ASTM A511 TP316 304 Thick Wall Seamless Stainless Steel Pipe For Mechanical
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 2 Tons | Price : | negotiable |
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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 |
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Certification: | ISO 9001 | Model Number: | GB/T12771 |
Detail Information |
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Product Name: | GB/T12771 12Cr18Ni9 Liquid Delivery Steel Pipes | Type: | Stainless |
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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 |
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