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GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N

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GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N

Brand Name : TORICH

Model Number : GB/T 18704

Certification : ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR

Place of Origin : China

MOQ : 0.5 ton

Price : negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 60000 tons per year

Delivery Time : 34-45 days

Packaging Details : In bundles in wooden box

Product name : GB/T 18704 Stainless Steel pipe Clad Steel Pipe 302 304 12Cr17Mn6Ni5N

Keyword : Stainless Steel pipe Clad Steel Pipe

Type : Stainless Steel pipe

surface : polished

Material : 12Cr17Mn6Ni5N 12Cr18Mn9Ni5N 12Cr18Ni9

OD : 12.7-219mm

Shape : Round Shape

Usage : Construction Structure

Length : 2-12m

WT : 0.6-8mm

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GB/T 18704 Stainless Steel pipe Clad Steel Pipe 302 304 12Cr17Mn6Ni5N

 

 

Application:Municipal facilities, vehicle and boat manufacturing, road and bridge guardrails, architectural decoration, steel structure grids, medical equipment, furniture, general mechanical components

 

size:L--2-12mm WT--0.6-8mm OD:12.7-219mm

 

delivery state:surface unburnished---SNB

surface burnished---SB

surface polished--SP

surface sandblasting--SA

 

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

 

Tolerance of OD

Surface delivery condition Nominal outside diameter Tolerance

Polishing,Polish

(SB,SP)

≤25 ±0.25
>25~40 ±0.30
>40~50 ±0.35
>50~60 ±0.40
>60~70 ±0.50
>70~80 ±0.60
>80 ±1%D
Unpolished,Sand blasting(SNB,SS) ≤25 ±0.30
>25~50 ±0.40
>50 ±1.0%D

 

Tolerance of WT

Wall thickness(S) Tolerance(high-grade) Tolerance(medium grade)
≥0.8~2.0 ±0.10 ±0.20
>2.0~3.0 ±0.15 ±0.30
>3.0 ±5%S ±10%S

 

Chemical composition

No. Unified digital code New steel grade Old steel grade Chemical composition
C Si Mn P S Ni Cr N
1 S35350 12Cr17Mn6Ni5N 1Cr17Mn6Ni5N ≤0.15 ≤1.00 5.50~7.50 ≤0.050 ≤0.030 3.50~5.50 16.00~18.00 0.05~0.25
2 S35450 12Cr18Mn9Ni5N 1Cr18Mn8Ni5N ≤0.15 ≤1.00 7.50~10.0 ≤0.050 ≤0.030 4.00~6.00 17.00~19.00 0.05~0.25
3 S30210 12Cr18Ni9 1Cr18Ni9 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.030 8.00~10.00 17.00~19.00 ≤0.10
4 S30408 06Cr19Ni10 0Cr18Ni9 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 8.00~11.00 18.00~20.00

-

 

 

Mechanical property

No. Unified digital code New steel grade Old steel grade

Yield strength

Rp0.2/MPa

Tensile

Strength

Rm/MPa

Elongation A/

1 S35350 12Cr17MnNi5N 1Cr17Mn6Ni5N 245 520 25
2 S35450 12Cr18Mn9Ni5N 1Cr18Mn8Ni5N 245 520
3 S30210 12Cr18Ni9 1Cr18Ni9 210 520 30
4 S30408 06Cr19Ni10 0Cr18Ni9 210 520

 

GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N

GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N

GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N

 


Product Tags:

stainless tube steel

      

large diameter stainless steel tube

      
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