China ASTM A213 Seamless Stainless Boiler Tube for 304/316/304L/316L, Find details about China Heat Exchanger Tube, Boiler Tube from ASTM A213 Seamless Stainless Boiler Tube for 304/316/304L/316L
Standard | Outside Diameter | Wall Thickness | Tolerance |
da (mm) | S (mm) | ||
≤ 130 | S≤ 2@ Sn | +15%, -10% | |
2@ Sn | +12.5%, -10% | ||
S> 4@ Sn | ± 9% | ||
DIN17175 | > 130 | S≤ 0.05da | +15%, -10% |
Q/BQB201 | 0.05da | ± 12.5% | |
S> 0.11da | ± 10% | ||
GB3087 | -- | 3-20 | +12.5%, -15% |
> 20 | ± 10% | ||
GB5310 | -- | < 3.5 | +15% (MAX+0.48 mm) -10% (MIN-0.32 mm) |
3.5-20 | +15%, -10% | ||
> 20 | ± 10% | ||
ASME SA450 | -- | 2.4-3.8 | +35%, -0% |
> 3.8-4.6 | +35%, -0% | ||
> 4.6 | +23%, -0% | ||
ASME SA530 | -- | -- | ± 12.5% |