Structural Seamless Stainless Steel Tubing With Polished Surface Gb/t18704
Product Details
stainless tube steel
,large diameter stainless steel tube
ssTORICH GB/T18704 Stainless Steel Clad Pipe for Structural Purposes
TORICH GB/T18704 Stainless Steel Clad Pipe for Structural Purposes
Standard: GB/T18704, GB/T222, GB/T223, GB/T228, GB/T242, GB/T244, GB/T246, GB/T700, GB/T912, GB/T2102, GB/T3280, GB/T12770, GB/T13793, GB/T11253
Material: Q195, Q215, Q235, 06Cr19Ni10, 12Cr18Ni9, 12Cr18Mn9Ni5N, 12Cr17MnNi5N
OD: 12.7-325mm
WT : 0.8-12mm
Length: 1-8m
Usage: Structural Purposes
Shape: Round, Square, Rectangular
Chemical Composition:
| Item | Code | Grade | Chemical Composition% | |||||||
| C | Si | Mn | P | S | Ni | Cr | N | |||
| 1 | S35350 | 12Cr17Mn6Ni5N | ≤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 | ≤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 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 8.00-10.00 | 17.00-19.00 | ≤0.10 |
| 4 | S30408 | 06Cr19Ni10 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 8.00-11.00 | 18.00-20.00 | - |
Mechanical Property:
| Item | Code | Grade | Yield Strength Mpa | Tensile Strength Mpa | Elongation% |
| Min | |||||
| 1 | S35350 | 12Cr17Mn6Ni5N | 245 | 520 | 25 |
| 2 | S35450 | 12Cr18Mn9Ni5N | 245 | 520 | |
| 3 | S30210 | 12Cr18Ni9 | 210 | 520 | 30 |
| 4 | S30408 | 06Cr19Ni10 | 210 | 520 | |
Permissible Tolerance in OD:
| Surface Delivery Status | Nominal Outside Diameter | Permissible Tolerance |
| 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 | |
| SNB,SS | ≤25 | ±0.30 |
| >25-50 | ±0.40 | |
| >50 | ±1.0%D |
Permissible Tolerance in WT:
| WT(S) | Permissible Tolerance (high grade) | Permissible Tolerance (common grade) |
| ≥0.8-2.0 | ±0.10 | ±0.20 |
| >2.0-3.0 | ±0.15 | ±0.30 |
| >3.0 | ±5%S | ±10%S |
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
TORICH GB/T18704 Stainless Steel Clad Pipe for Structural Purposes
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