14 x 50 mining round link steel chains are made according to DIN22252-2 C grade, which is used for mine-used scraper conveyer, slicer, and tumbling-box coal cutter other machines.



Chan dimension: 14 x 50mm x 12mm(width min) as per DIN22252

Standard: DIN22252, GB/T2718-2009

Material: Alloy steel, 20Mn2K, 25MnV, 23MnNiCrMo54

Proof load test: 200KN

Breaking load test: 250

Breaking elongatation: 12% min

Hardness: 38-42HRC through heat treatment

Finish: Black painted, black color https://www.bstlschain.com/high-strength-chain/mining-chain/14-x-50-mining-round-link-steel-chain.html