... 2006, JIS G3441, GB/T 8162-1999, DIN 2391, DIN EN 10025, ASTM A53-20073) Grade: A53-A369, ST35-ST524) ... Test, Impact Test etc), Exterior Size Inspection.Mill Test Certificate: EN 10204/3.1B5)Heat treatment:Annealed: Bright annealed, , Spheroidize ... STKM 20DIN 2391: St30Si, St30A1, St35, St45, St52EN10305: E235, E355EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH8) ...