JB/T 7161-1993 Heat treatment parts for rock drilling machinery and pneumatic tools
Basic Information
Standard ID:
JB/T 7161-1993
Standard Name: Heat treatment parts for rock drilling machinery and pneumatic tools
Chinese Name:
凿岩机械与气动工具 热处理件
Standard category:Machinery Industry Standard (JB)
state:in force
Date of Release1993-11-21
Date of Implementation:1994-03-01
standard classification number
Standard Classification Number:Machinery>>General Machinery and Equipment>>J84 Rock Drilling Machine
Publication information
other information
Focal point unit:Tianshui Rock Drilling Machinery and Pneumatic Tools Research Institute
Publishing department:Tianshui Rock Drilling Machinery and Pneumatic Tools Research Institute
Introduction to standards:
This standard specifies the technical requirements, inspection rules and test methods for heat-treated parts of rock drilling machinery and pneumatic tools. This standard applies to heat-treated parts of rock drilling machinery and pneumatic tools, excluding non-ferrous metal and powder metallurgy heat-treated parts. Where there are no special requirements in product drawings or technical documents, this standard shall be followed. JB/T 7161-1993 Heat-treated parts of rock drilling machinery and pneumatic tools JB/T7161-1993 Standard download decompression password: www.bzxz.net
Some standard content:
Level 5
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JB/T 7161-93
Figure 2 Carbon tool steel network carbide rating chart (500×)Level 6www.bzxz.net
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JB/T7161-93
Level 4
Figure 3 Pearlite rating chart after annealing of alloy tool steel (500×)Level 1
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Level 5
JB/T 716193
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JB/T7161-93
Alloy tool steel network carbide rating chart (500×)Level 2
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Level 1
JB/T7161--93
Figure 5 Tool steel martensite rating chart (500×) (fine needle martensite, needle length ≤1.5mm)Level 3
(Needle martensite, needle length>2.5~4mm)Level 2
(Fine needle martensite, needle length>1.5mm)Level 4
(Needle martensite, needle length>46mm)
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