ST20 GOST8734-75 steel pipe
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QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association
Product Description ST20 GOST STANDARD STEEL PIPE
Standard: Gost 8734 seamless pipe
Size(mm): O. D. 6-168 mm W. T. 1-15 mm L max 12000 mm
Your special requirement is highly welcomed and will be fulfilled.
We always provide highest quality seamless pipe/tube and best service.
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P | Cu |
| 10 | 0.07-0.14 | 0.17-0.37 | 0.35-0.65 | 0.15 | 0.3 | --- | --- | --- | --- |
| 20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.25 | 0.25 | --- | 0.03 | 0.025 | 0.3 |
| 35 | 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | 0.25 | 0.3 | --- | 0.04 | 0.035 | 0.3 |
| 45 | 0.42-0.45 | 0.17-0.37 | 0.50-0.80 | 0.25 | --- | --- | --- | --- | --- |
| 40X | 0.36-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.3 | --- | 0.035 | 0.035 | 0.3 |
| 30CTCA | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | 0.80-1.10 | 0.3 | --- | 0.05 | 0.025 | --- |
Mechanical Property
| Steel Grade | Tensile strength, N/mm2 (min) | Yield strength | Elongation, % min |
| 10 | 343 | 206 | 24 |
| 20 | 412 | 245 | 21 |
| 35 | 510 | 294 | 17 |
| 45 | 589 | 323 | 14 |
| 40X | 618 | --- | 14 |
| 30CTCA | 491 | --- |
18 |
Delivery condition: Hot rolled, Cold worked, Annealed, Normalized, Stress Released
Certificate: ISO9001 TUV
Packing: 1. Standard export bundle wrapped with strong steel strip
2. Wooden case
3. Nylon packed
Payment: T/T
Delivery: With 40 days of order confirmation
