1) Size: O.D > 6.0 mm & W.T. > 0.50mm; 2) Heat treatment: BK, BKS, GBK, NBK,Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normalized, Quenched and Tempered, Solution Annealing, etc ; 3) Standard:ASTM/ASME A53 Gra... - Update: 2012-03-14

Specification Details: 1) OD Size Range: > 3/16 inch 2) Monthly Capacity: 5000 Ton. 3) Steel Grade: T2,T5,T9,T11,T12,T22,T91,etc 3) Delivery Condition: Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normaliz... - Update: 2012-03-12

Specification Details: 1) 4130 Chemical Component Analysis(%): C: 0.28-0.33; Mn: 0.40-0.60; Si: 0.15-0.35; S: < 0.040; P: < 0.040; Cr: 0.80 -1.10; Mo: 0.15-0.25; 2) Monthly Capacity: 6000 tons. 3) SR Condition's Mechanical Prop... - Update: 2012-03-12