Test certificate of load chain Φ7.9 x 23.0 mm

Keyword:Load chain   Time:2020-10-1 10:55:41

Load chain with below spec.  
- Size Φ7.9 x 23.0 mm  
- Grade : 80  
- Material : Alloy Steel  
- Elongation : 15% min.  
- Hardness : HRC 40 min.  
- Finish : Black

标准/Standard:[GB/T228-2002]

ItemNo1
TEST NO

STEEL NO
20Mn2     
标距(mm)
184
钳口间距(mm)
93
TESTSHAPE       
ROUND
SIZE(mm)
7.9mm
TEST SHAPE(mm^2)
101
TEST TIME
0:01:22
TEST DATE
2017/3/17
BREAKING LOAD (kN)Fm90
GRADERm930
RATE ELONGATION(%)Agt27

20mn2 steel.jpg