不銹鋼鋼管
 
不銹鋼冷/熱軋鋼板
 
不銹鋼冷/熱軋捲
 
不銹鋼角鐵
 
不銹鋼扁鐵
 
不銹鋼槽鐵




公差表
工業配管用不銹鋼鋼管 ASTM A312/A358, JIS G3459 CNS 6331
 
鋼種 項目 外徑

厚度

長度
CNS 6331 -- <30.0mm -- ±0.30mm < 2mm± 0.20mm 指定長度
JIS G3459 ≧ 30.0mm -- -- ±1% ≧ 2mm±10% Definite Cut
Lengths
ASTM A312 -- ≦48.26mm +0.40mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >48.26mm ≦114.3mm ± 0.80mm -- Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >114.3mm ≦219.08mm +1.60mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >219.08mm ≦457.2mm +2.40mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >457.2mm ≦660.4mm +3.20mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >660.4mm ≦863.6mm +4.00mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm
ASTM A312 >863.6mm -- +4.80mm -0.80mm Nominal Thickness ±12.5% + 6.0mm
-0 mm