JB/T 7709-1995 Boriding layer microstructure, hardness and layer depth testing method
time:
1995-06-20 15:00:00
- JB/T 7709-1995
- Abolished
Standard ID:
JB/T 7709-1995
Standard Name:
Boriding layer microstructure, hardness and layer depth testing method
Chinese Name:
渗硼层显微组织、硬度及层深检测方法
Standard category:
Machinery Industry Standard (JB)
-
Date of Release:
1995-06-20 -
Date of Implementation:
1996-01-01 -
Date of Expiration:
2007-09-01
China Standard Classification Number:
Machinery>>Processing Technology>>J36 Heat Treatment
alternative situation:
Replaced by JB/T 7709-2007
Focal point Organization:
Beijing Institute of Mechanical and Electrical EngineeringPublishing Department:
Beijing Institute of Mechanical and Electrical Engineering
Description (Translated English) / downloadSkip to download
Summary:
This standard specifies the test methods for the microstructure, hardness and depth of the boronized layer. This standard is applicable to the boronized layer of carbon steel, alloy steel and cast iron, but not to the boronized layer of refractory metals and alloys. JB/T 7709-1995 Test methods for microstructure, hardness and depth of boronized layer JB/T7709-1995 Standard download decompression password: www.bzxz.net
Standard contentSome standard content:
People's Republic of China Press Machinery Industry Standard JB/T 77091995
1995-06-204
1996-01-01
G R2 0P uDEe/
GB7232
GB9790
JB/T5069
ZBJ36011
JB/T5069 Bottle
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1996-01-01
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200~300bzxZ.net
JB/T77091995
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1800~2300HVFe,B
ZBJ36011
1300~1500HV
h= hi+h,+hs+h4+h,/5
0.35~0.60
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h=E+E #+E 4+
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JB/T77091995
880A1230
1 seat since 1996
100044
12,000
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.
1995-06-204
1996-01-01
G R2 0P uDEe/
GB7232
GB9790
JB/T5069
ZBJ36011
JB/T5069 Bottle
FeB! Fe,B
[K,FeCN。 p3H,o]
[K,Fe CN。 ] | 8GCr15g2Cr13g1
1996-01-01
1 and 2 bottles
JB/T77091995
FeBFe,B
FeBFeB
FeBFeB
FeBgFe B
hCr12Mo
JB/T77091995
g9Crsi
i3Cr2W8
jGCr15
JB/T77091995
k2Cr13
GB9790
1200~2000HV||tt ||JB/T5069g
200~300bzxZ.net
JB/T77091995
Must 2 paintings
1800~2300HVFe,B
ZBJ36011
1300~1500HV
h= hi+h,+hs+h4+h,/5
0.35~0.60
JB/T77091995
h=E+E #+E 4+
1+E picture/2+#
E picture/2+
4+E4/2+Felt
E picture/2]/5| |tt||hh+h,+h,+h, +h
JB/T77091995
880A1230
1 seat since 1996
100044
12,000
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.
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