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Introduced |
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Seamless Cold Drawn Steel Tube for High Pressur Gas Cylinder |
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Description |
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Seamless Cold Drawn Steel Tube For High Pressur Gas Cylinder
Grade:
1. 7720 34CrMo4
Standard: DIN 17204
Chemical composition (%)
Grade C Si Mn P S P+S Cr Mo Ni Cu
34CrMo4 0. 30-0. 40 0. 15-0. 35 0. 50-0. 80 ≤0. 020 ≤0. 010 ≤0. 025 0. 90-1. 20 0. 15-0. 25 ≤0. 40 --
Tolerance:
OD tolerance: ±0. 5 %
WT tolerance: +15/-0 %
Roundness: ±1 %
Straightness: 2 mm/m Max
Tensile properties
Tensile Strength: ≥890 Mpa
Yield Strength: ≥755 Mpa
Elongation: ≥14%
Impact strength: ≥60 J
Conservation: Outside oiled
Package: Bundle of steel strip, knitting strip package.
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Contact Us |
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Company Name: |
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Shanghai JW Steel Co., Ltd. |
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Company Address: |
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Rm. 2101, YuCheng Mansion, Lane 1283, North Shaanxi Road, Shanghai, China |
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Telephone: |
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86-21-62666697 |
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Full Name (Department): |
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Mr. Alan Shu () |
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