Material: alloy, carbon steel Standard: API SPEC7-1 Delivery time: 40 days metal processing: ... ,agriculture,pipeline,metallurgy,etc (1),among the free forgings carbon steel forgings are generally the better choice for the sake of ... ,weight of single piece ≤ 15T 3,height within 2000mm(14),steel bar forging 1,dia above 90mm 2,length within 5m Other ...