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| Name︰ | raw tube |
| Brand Name︰ | songgang |
| Country of Origin︰ | China |
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specification:Φ35-Φ220mm
material:1Cr17Ni7(301)
0Cr18Ni9(304)
0Cr25Ni20(310s)
1Cr18Ni9Ti(321)
00Cr19Ni10(304L)
00Cr17Ni14Mo2(316L)
0Cr17Ni12Mo2(316)
0Cr19Ni13Mo3(317)
00Cr19Ni13Mo3(317)
standard:ASTM DIN JIS GB OST etc.
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