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short drill collar
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Grinding Steel Rod
  • Grinding Steel Rod
  • Grinding steel rod, our company manufacture and export is as follows: 1. Specifications: 1) Size: Dia. 40 - 120mm, Length 3000-6000mm 2) Hardness: HRC 45-55 3) Chemical elements(%): C: 0.48-0.85, Si: 0.15-0.37, Mn: 0.7-1.0, P: 0.035 MAX, S: 0.03...
  • Shandong Huamin Steel Ball Joint-stock Co., Ltd.  [Verified]
Negotiable
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