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Stainless Steel Clad Pipes for Structural Purpose GB/T 18704 304

Categories Stainless Steel Tube
Brand Name: TORICH
Model Number: GB/T 18704
Certification: ISO 9001 ISO 14001 TS 16949
Place of Origin: China
MOQ: 3 Ton
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 40000 Ton/Year
Delivery Time: 45 days
Packaging Details: Packing in wooden box,hexagonal bundles or other seaworthy ways.
Product Name: Stainless Steel Clad Pipes for Structural Purpose GB/T 18704
Material: TP304 , 304
Surface: Polishing
Application: Structural purpose
Shape: Round
OD: 4-1200mm
WT: 0.3-200mm
Length: 1-8m
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Stainless Steel Clad Pipes for Structural Purpose GB/T 18704 304

Stainless Steel Clad Pipes for Structural Purpose GB/T 18704

Spec:
Material:TP304 , 304
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:1-8m
Tolerance:
According to the following tables or customers’ request.

Tolerance of OD

Surface delivery conditionNominal outside diameterTolerance

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 codeNew steel gradeOld steel gradeChemical composition
CSiMnPSNiCrN
1S3535012Cr17Mn6Ni5N1Cr17Mn6Ni5N≤0.15≤1.005.50~7.50≤0.050≤0.0303.50~5.5016.00~18.000.05~0.25
2S3545012Cr18Mn9Ni5N1Cr18Mn8Ni5N≤0.15≤1.007.50~10.0≤0.050≤0.0304.00~6.0017.00~19.000.05~0.25
3S3021012Cr18Ni91Cr18Ni9≤0.15≤1.00≤2.00≤0.045≤0.0308.00~10.0017.00~19.00≤0.10
4S3040806Cr19Ni100Cr18Ni9≤0.08≤1.00≤2.00≤0.045≤0.0308.00~11.0018.00~20.00-


Mechanical property

No.Unified digital codeNew steel gradeOld steel grade

Yield strength
Rp0.2/MPa

Tensile
Strength
Rm/MPa

Elongation A/

1S3535012Cr17MnNi5N1Cr17Mn6Ni5N24552025
2S3545012Cr18Mn9Ni5N1Cr18Mn8Ni5N245520
3S3021012Cr18Ni91Cr18Ni921052030
4S3040806Cr19Ni100Cr18Ni9210520


Characteristic:
TORICH QUALITY ASSURANCE
Good surface quality
Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test

Processing:Continous welding formed

Widely used in the field of:Structural usage

Product Images:

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