... A210,ASTM A36,JISG3454,JISG3455,JISG3556,GOST8732,GOST8731MaterialGr. B, Gr. C; X42,X46,X52,X60,J55,K55,N80; st37,st42,st42 ... . Tensile testing machine / Chemical composition testing machine / Metallographic analysis / Rockwell hardness tester / Eddy current testing / X-ray detection 3. With more than ...