GB/T 18704 Stainless Steel pipe Clad Steel Pipe Stainless Steel Tube 302 304 12Cr17Mn6Ni5N
Basic Properties
Place of Origin:
China
Brand Name:
TORICH
Certification:
ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
Model Number:
GB/T 18704
Trading Properties
Minimum Order Quantity:
0.5 ton
Price:
negotiable
Payment Terms:
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:
60000 tons per year
Product Summary
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 ...
Product Details
Highlight:
stainless tube steel
,large diameter stainless steel tube
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
Product Description
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 | |
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