Active Member
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[China]
Address: Daqiao Developing Zone Haiyan,Zhejiang Province,China
Contact name:Richard
Torich International Limited |
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ASTM A516 Gr.70 Q345R Double Tube Sheet
Quick detail:
Material:ASTM A 516 Gr70 65 60 65
Chemical requirements
| Elements | Composition % | |||
| Grade 55 Grade 380 | Grade 60 Grade 415 | Grade 65 Grade 450 | Grade 70 Grade 485 | |
| C 1/2inch and under | 0.18 | 0.21 | 0.24 | 0.27 |
| C over 1/2inch to2 in incl | 0.20 | 0.23 | 0.26 | 0.28 |
| C over 2 in to 4in incl | 0.22 | 0.25 | 0.28 | 0.30 |
| C over 2-8in incl | 0.24 | 0.27 | 0.29 | 0.31 |
| C over 8in incl | 0.26 | 0.27 | 0.29 | 0.31 |
| Mn | ||||
| 1/2in and under | ||||
| Heat analysis | 0.6-0.9 | 0.60-0.9 | 0.85-1.2 | 0.85-1.2 |
| Product analysis | 0.55-0.98 | 0.55-0.98 | 0.79-1.3 | 0.79-1.3 |
| Over 1/2inch | ||||
| Heat analysis | 0.60-1.2 | 0.85-1.2 | 0.85-1.2 | 0.85-1.2 |
| Product analysis | 0.55-1.3 | 0.79-1.3 | 0.79-1.3 | 0.79-1.3 |
| Phosphorus max | 0.025 | 0.025 | 0.025 | 0.025 |
Sulfur max | 0.025 | 0.025 | 0.025 | 0.025 |
| Sillicon | ||||
| Heat analysis | 0.15-0.40 | 0.15-0.4 | 0.15-0.4 | 0.15-0.4 |
| Product analysis | 0.13-0.45 | 0.13-0.45 | 0.13-0.45 | 0.13-0.45 |
