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

Minimum Order Quantity : 3 Ton Price : negotiable
Packaging Details : Packing in wooden box,hexagonal bundles or other seaworthy ways. Delivery Time : 45 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 40000 Ton/Year
Place of Origin: China Brand Name: TORICH
Certification: ISO 9001 ISO 14001 TS 16949 Model Number: GB/T 18704

Detail Information

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 round tube

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large diameter stainless steel tube

Product Description

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 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

 

 
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:Stainless Steel Clad Pipes for Structural Purpose GB/T 18704 304 0

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