... ,MOQ 10MT, Delivery:10-40 days. Quality service after sales 1. Description: alloy steel - forged steel - square bar -SAE51152. ... by T/T or L/C5. Standard: DIN,JIS,ASTM,AISI,BS,SAE,ISO,TOCT,GB,ABNTSAE/AISI: 3415, 4130, 4135, 4140, 4142, ... 1.5752, 1.7218, 1.7220, 1.7225, 1.5805, 1.6571, 1.6511, 1.7131, 1.7016, 1.7033, 1.7035, 1.7177, 1.3505, 1.8159, 1.6523, 1.6526, 1.7103, 1.7108, 1.8509, 1. ...