-
JonathasThe coupler they suggested are quite suitable to replace old ones. Price is reasonable, and looking forward to receive the thhem.
-
JoseThe DF8B spare parts I got are all correct. Lead time is fast, and anytime I have problems, Sunny are always here to help me. Thanks her a lot,and looking forward to our future cooperation again.
Steel Knuckle Railway Casting Parts

Contact me for free samples and coupons.
whatsapp:0086 18588475571
wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Name | Thailand Railrod Freight Car Coupler | Standard | AAR-M211 |
---|---|---|---|
Material | Grade E Steel | Technical | Casting |
Hardness | 241HBW-311HBW | Nil-ductility (transition) Temperature | ﹣51.1℃ |
Impact Absorbing Energy | ≥27J(-40℃) | Low Temperature Impact Property | ≥20J(-18℃) |
Highlight | Steel Knuckle Railway Casting Parts,AAR-M211 Railway Casting Parts,Casting Steel railroad knuckle coupler |
Product overview
The knuckle is an important component of the coupler, and the knuckle is the key connecting part between rail cars. The function of the knuckle is to realize the connection between the locomotive and the vehicle / the vehicle and the vehicle, and to transmit the traction force and the impact force, to maintain a certain distance between the vehicles.
Product specification
S.No. | Item | Value |
1 | Standard | AAR-M211 |
2 | Type | Thailand Knuckle |
3 | Material | Grade E steel |
4 | Technical | Casting |
5 | Hardness | 241HBW-311HBW |
6 | Nil-ductility (transition) temperature | ﹣51.1℃ |
7 | Impact absorbing energy | ≥27J(-40℃) |
8 | Low temperature impact property | ≥20J(-18℃) |
9 | Magnetic particle testing | Conform to ASTM Method E-709 |
Product advantages
① Simple process
② Strong maneuverability
③ Meet the requirements of heavy load, impact resistance, extrusion resistance and frequent stretching of railway freight cars