Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Model No.: GB/T 18704
Brand: TORICH
Type: Stainless Steel Pipe
Certification: UL
Application: Structure Pipe
Section Shape: Round
Surface Treatment: Polished
Usage: Construction Structure
Technique: ERW
Material: 12Cr17Mn6Ni5N 12Cr18Mn9Ni5N 12Cr18Ni9
Surface: Polished
Shape: Round Shape
Product Name: GB/T 18704 Stainless 12Cr17Mn6Ni5N Steel Clad Pipe
Keyword: Stainless 12Cr17Mn6Ni5N Steel Clad Pipe
OD: 12.7-219mm
Packaging: In bundles In wooden boxes
Productivity: 60000 Tons per Year
Transportation: Ocean,Land,Air
Place of Origin: China
Supply Ability: 60000 Tons per Year
Certificate: ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
HS Code: 7306900090
Port: Ningbo,Shanghai
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
GB/T 18704 Stainless 12Cr17Mn6Ni5N Steel Clad Pipe
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 |
Product Categories : Stainless Steel Tube
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.