We, Hunan Standard Steel CO., LTD also known as HSCO are the world top 500 enterprises in the world with more than 500,000 tons yearly production scale. HSCO is Sino-Singapore joint ventured company who supplying Seamless pipe, Welded pipe (ERW, EFW, LSAW and SSAW) of Carbon Steel (CS), Stainless Steel(SS) and Alloy Steel on various standards such as API, ASTM, DIN, JIS, ISO, GB and etc. We covered full range sizes as below:
| TYPE | OD | Thickness |
| SEAMLESS | 1/4 inch ~ 36 inch | 1.25mm ~ 50mm |
| ERW | 1/8 inch ~ 24 inch | Max 26.5mm |
| LSAW | 219mm ~ 3120mm | 3mm ~ 25mm |
| SSAW | 16 inch ~ 64 inch |
3mm ~ 25mm |