30# / 1030 / S30C / C30(1.0528) Carbon Steel Tube/Pipe

55# / 1055 / S55C / C55(1.0535) Carbon Steel Tube/Pipe

Q195 / Grade B / SS 330 / S185(1.0035) Carbon Steel Tube/Pipe

08F / 1008 / SPHD,SPHE / DC01(1.0330) Carbon Steel Tube/Pipe

Q235-A / Grade D / SS 400 / S235JR(1.0038) Carbon Steel Tube/Pipe

Q275 / SS Grade / SS 490 / S2751R(1.0044) Carbon Steel Tube/Pipe

08# / 1008 / SPHE,S10C / DC01(1.0330) Carbon Steel Tube/Pipe

80# / 1080 / SWRH82A / C80D(1.0622) Carbon Steel Tube/Pipe

20Mn / 1022 / SWRCH22K / C22(1.0402) Carbon Steel Tube/Pipe

25Mn / 1026 / SWRCH22K / C26D(1.0415) Carbon Steel Tube/Pipe

30Mn / 1030 / SWRCH30K / C30(1.0528) Carbon Steel Tube/Pipe

35Mn / 1037 / SWRCH35K / C35(1,0501) Carbon Steel Tube/Pipe