| Standard | ASTM, GB, JIS, DIN, EN, AISI |
| Material Grade | TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S |
| TP410 TP410S TP403 | |
| S31803/S32205 S32750 S32760 | |
| Outer Diameter | Seamless Pipe: 6mm-820mm |
| Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm), | |
| Thickness | Seamless Pipe: 0.5mm - 60mm |
| Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm) | |
| Length | 5.8-6.1 m or as customers' request |
| Tolerance | Acording to the Standard. |
| Surface | 180G, 320G, 400G Satin / Hairline |
| 400G, 500G, 600G or 800G Mirror finish | |
| Test | UT, ET, HT, RT,ect, and others according to the standard,or as the requests of the customers |
| Certificate | ISO9001-2008,ASME, PED |
| Delivery Time | 7-15 Days |
Source: https://www.greatsteel.com/seamless-steel-tube-for-high-pressure-boiler.html