21NiCrMo2 / SNCM220 / 805M20 Alloy Steel Tube OD 25-1100 Mm WT 2-180 Mm
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21NiCrMo2/SNCM220/805M20 alloy steel tube for mechnical, OD: 25-1100mm; WT: 2-180mm black surface for drilling tool Introduction Standard ASTM A519, ...
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