Changsha Teyi Steel Co., Ltd is a professional alloy steel manufacturer and exporter in China, We are specialized in all kinds of steel round bar, flat bar and forgings, including carbon steel, alloy steel, tool-die steel,ect.
We can offer material according to different standards, such as : ASTM, DIN, JIS, Which indlucing the following grade: ASTM: SAE1045, 4140, 4340, 8620, 8640, H13, P20 , O1 ect; DIN: C20, C35, C45, 42CrMo4, 34 CrNiMo6, 30CrNiMo8 (W-Nr.) W1.1191, W1.7225, W1.6582, W1.7...
|