JB/T 6141.3-1992 Carburizing metallographic inspection of heavy-duty gears

This standard specifies the technical requirements and metallographic levels for metallographic structure inspection of carburizing and quenching and tempering of heavy-duty gears. This standard is applicable to the metallographic inspection of heavy-duty carburized gears made of steel such as 20CrMnTi, 20CrMnMo, 20CrNi3Mo, 15CrNi3Mo, 10Cr12Bu4, etc. JB/T 6141.3-1992 Metallurgical inspection of carburizing of heavy-duty gears JB/T6141.3-1992 Standard download and decompression password: www.bzxz.net

Pressing Machinery Ring Industry Standard JB/T6141.31992
1992-06-094
14||tt ||1993-01-01 Noodles
Lean forward
Gathering questions
2.1 Fried noodles| | tt | .05~0.15mm
Huaxiong
Facial oxygen skin rate 4
5~6| |tt||2.1.3
2.2.2| |tt||3
3.1 Overlord
我| |tt||4% bottle
1992-06-09
1 ~4 Hao
1~3 Guo
4| |tt||5g
1993-01-01
±||tt ||1
4| |tt||5
private A1b
private Ald
iAle| |tt||4A1f
4B1gB2a
B1gB2b
4B1pB20
4B1B2d
4B1gB2e
4BlpB2f|| tt||4C1pC2a
4C1pC2b
4C1gC2c
C1p C2d
4 Clg C2e
4C1pC2f
JB/T6141.31992||tt ||#1
Bottle
Withdrawal
Withdrawal icon | |tt | ||4
5%~8% side
30% box
40%| |tt||55% plate
JB/T6141.31992
王400×
b| |tt||d44
B1||tt ||JB/T6141.31992
王400x
JB/T6141.31992
62|| tt||d44
things
c3%||tt ||e5%
JB/T6141.31992
王400×| | tt | | b | |tt||a14bzxZ.net
JB/T6141.31992
JB/ZQ4039988| |tt||624
×%|| tt||JB/T 6141.31992
Degree by g
880A1230
1992A10 blocks||tt| |100044
1992A10
10.006|| tt||14,000
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.