Fbutt welding of the carbon steel pipe.

用于各种碳钢钢管的环缝对接。

The superstructure is carbon steel as standard.

作为标准配置，上部结构材质是碳钢。

For carbon steel and low alloy steel iron welding.

用于铸铁碳钢不锈钢和低合金钢的焊接。

Carbon steel plate by the body or channel produced.

机体多由碳钢板材或槽钢制作而成。

I-shaped cross section connecting rods are made of carbon steel.

工字型截面连接杆件是由碳制成。