... . Machine Capability Strength of extension:100,000 to 180,000 psiYield strength:50,000 to 150,000 psiElongation:55 to 60%Modulus of elasticity ... .4mm-50mm 6.Width: 1000/1219/1500/20007.Length: according to buyer`s request 8.Surface: 2B,BA,No.1,etc9 ... is better than no2D. then through a special surface treatment to improve its mechanical properties,No2B could nearly satisfy comprehensive uses ...