JB/T 7161-2011Rock drilling machines and pneumatic tools - General technical requirements for heat treated parts (English PDF)

JB/T 7161-2011 is the English-translated version of 凿岩机械与气动工具 热处理件通用技术条件.

JB/T 7161-2011 is a recommended Chinese machinery industry standard giving general technical requirements for the heat treated parts of rock drilling machines and pneumatic tools. It sets the technical requirements for such parts together with test methods, inspection rules, marking and certificates. Heat treated parts of these machines and tools are its field, the heat treatment of non-ferrous metal parts being left out, and where a product drawing or technical document states no special requirement the standard is the one to follow. It carries Chinese classification J84 and international classification 73.100.10, supersedes JB/T 7161-1993, and quotes GB/T 224-2008, GB/T 699-1999, GB/T 1298-2008, GB/T 3077-1999 and GB/T 6394-2002.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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