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Product Specification
Grade 1 | Grade 3 | Grade 4 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | ||||||||||
psi | MPa | psi | MPa | psi | MPa | psi | MPa | psi | MPa | psi | MPa | psi | MPa | psi | MPa | psi | MPa | |
Tensile strength min | 55 000 | 380 | 65 000 | 450 | 60 000 | 415 | 60 000 | 415 | 65 000 | 450 | 100 000 | 690 | 63 000 | 435 | 80 000 | 550 | 65 000 | 450 |
Yield strength min | 30 000 | 205 | 35 000 | 240 | 35 000 | 240 | 35 000 | 240 | 35 000 | 240 | 75 000 | 515 | 46 000 | 315 | 65 000 | 450 | 35 000 | 240 |
Impact Temperature | ||
Grade | Minimum Impact | Test Temperature |
°F | °C | |
1 | -50 | -45 |
3 | -150 | -100 |
4 | -150 | -100 |
6 | -50 | -45 |
7 | -100 | -75 |
8 | -320 | -195 |
9 | -100 | -75 |
10 | -75 | -60 |
Grade 1 | Grade 3 | Grade 4 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | |
Carbon, max | 0.3 | 0.19 | 0.12 | 0.3 | 0.19 | 0.13 | 0.2 | 0.2 | 0.1 |
Manganese | 0.40–1.06 | 0.31–0.64 | 0.50–1.05 | 0.29–1.06 | 0.90 max | 0.90 max | 0.40–1.06 | 1.15–1.50 | 0.60 max |
Phosphorus, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.035 | 0.025 |
Sulfur, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.015 | 0.025 |
Silicon | ... | 0.18–0.37 | 0.08–0.37 | 0.10 min | 0.13–0.32 | 0.13–0.32 | ... | 0.10–0.35 | 0.35 max |
Nickel | ... | 3.18–3.82 | 0.47–0.98 | ... | 2.03–2.57 | 8.40–9.60 | 1.60–2.24 | 0.25 max | 35.0–37.0 |
Chromium | ... | ... | 0.44–1.01 | ... | ... | ... | ... | 0.15 max | 0.50 max |
Copper | ... | ... | 0.40–0.75 | ... | ... | ... | ... | 0.15 max | 0.50 max |
Aluminum | ... | ... | 0.04–0.30 | ... | ... | ... | ... | 0.06 max | ... |
Vanadium, max | ... | ... | ... | ... | ... | ... | ... | 0.12 | ... |
Columbium, max | ... | ... | ... | ... | ... | ... | ... | 0.05 | ... |
Molybdenum, max | ... | ... | ... | ... | ... | ... | ... | 0.05 | 0.50 max |
Cobalt | ... | ... | ... | ... | ... | ... | ... | ... | 0.50 max |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2008
Total Annual:
$1,000,000-$5,000,000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Hebei Lufeng Piping Equipment Co., Ltd. is ISO 9001 certified exporter & supplier of steel piping materials. We are committed to provide customers quality products with competitive prices and efficiency service. Established in 2008, our experienced and friendly staffs are dedic... Hebei Lufeng Piping Equipment Co., Ltd. is ISO 9001 certified exporter & supplier of steel piping materials. We are committed to provide customers quality products with competitive prices and efficiency service. Established in 2008, our experienced and friendly staffs are dedic...
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