Coupler Knuckle is the control part of coupler lock and uncouple. F51AE knuckle is designed for for AAR F coupler and FR coupler. The Knuckle is casted by E grade steel, complying with AAR standards for railway freight cars products. Knuckle F51AE is interchangeable with the coupler's parts currently in service in North America.
We could also provide Knuckles or coupler parts for other AAR couplers, Chinese couplers and etc.
C |
Mn |
Si |
S |
P |
0.32 max |
1.85 max |
1.50 max |
0.04 max |
0.04 max |
Tensile strength |
Yield strength |
Elongation |
Shrinkage area |
Hardness |
827 MPa min. |
389 MPa min. |
14% min. |
30% min. |
241 – 311 HB |
Name: Yolanda Zhang
Mobile:+86-18625131201
Tel:+86-562-2856868
Whatsapp:8618625131201
Email:tltkgd@foxmail.com
Add:No.7 Jingqiao Avenue, Yi'an Economic Development Zone, Tongling City, Anhui Province, China. Zipcode:24431