St35 Cold Drawing Seamless Steel Tube
STANDARDDIN2391, EN10305, DIN17175,JIS G3445, ASTM A519, GB/T 8713...MATERIALST37/ST45/ST52/25MN/27SIMN/E355/SAE1026/STKM13C.....OUTER DIAMETER20MM-480MMWALL THICKNESS3MM-25MMLENGTH1-12M, RANDOM OR FIXED, AS THE CLIENTS' REQUESTSTECHNOLOGYHIGH PRECISION COLD DRAWN/ COLD ROLLEDHEAT TREATMENTBK/BK......
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Product Description
| STANDARD | DIN2391, EN10305, DIN17175,JIS G3445, ASTM A519, GB/T 8713... |
| MATERIAL | ST37/ST45/ST52/25MN/27SIMN/E355/SAE1026/STKM13C..... |
| OUTER DIAMETER | 20MM-480MM |
| WALL THICKNESS | 3MM-25MM |
| LENGTH | 1-12M, RANDOM OR FIXED, AS THE CLIENTS' REQUESTS |
| TECHNOLOGY | HIGH PRECISION COLD DRAWN/ COLD ROLLED |
| HEAT TREATMENT | BK/BKS/NBK |
| ADVANTAGES | 1.SHORT DELIVERY TIME |
| 2.QUALITY ASSURANCE | |
| 3.COMPETITIVE PRICE | |
| 4.SUPERIOR SERVICE |
Chemical Composition:
| Steel Grade | C | Si | Mn | P≤ | S≤ | Cu≤ | Ni≤ | Cr≤ | Mo≤ | V≤ |
| A106 B | ≤0.3 | / | ≤1.2 | 0.05 | 0.06 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| ST35 | ≤0.18 | 0.15-0.35 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| ST45 | ≤0.25 | 0.15-0.35 | 0.5-0.8 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| ST52 | ≤0.2 | ≤0.55 | ≤1.5 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| CK45 | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
Mechenical Properties:
| STEEL GRADE | RM MPA | REH MPA |
| ST45 | ≥520 | ≥375 |
| ST52(E355) | ≥600 | ≥520 |
| SAE1026 | ≥600 | ≥510 |
| 16MN | ≥600 | ≥520 |
| 20# | ≥520 | ≥375 |
Production Process:
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