上海寶鋼鍋爐管外徑公差 Tolerances on Out Diameter
|
標(biāo)準(zhǔn)
Standrad
|
熱軋管
Hot Finished Seamless Tube
|
冷拔（軋）管
Cold Finished Seamless Tube
|
|
外徑
Outside Diameter
（mm）
|
允許偏差
Tolerance
|
外徑
Outside Diameter
（mm）
|
允許偏差
Tolerance
|
|
EN 10216-1
EN 10216-2
|
≤100
|
±0.75%
（min.±0.30mm）
|
所有
|
±0.5%
（min.±0.30mm）
|
|
DIN 17175
|
＞100
|
±0.90%
|
|
GB 3087
|
≤159歡樂(lè)谷國(guó)際
|
﹢1.25%，﹣1.0%
|
10~30
|
±0.40mm
|
|
＞30~50
|
±0.45mm
|
|
＞50
|
±1.0%
|
|
GB 5310
|
≤50
|
±0.50mm
|
≤30
|
±0.20mm
|
|
＞30~50
|
±0.45mm
|
|
＞50
|
±1.0%
|
＞50
|
±1.0%
|
|
ASME SA-179M
ASME SA-192M
ASME SA-209M
ASME SA-210M
ASME SA-213M
JIS G 3461
JIS G3462
|
≤101.6
|
﹢0.4,﹣0.8mm
|
＜25.4
|
±0.10mm
|
|
＞25.4~38.1
|
±0.15mm
|
|
＞38.1~50.8
|
±0.20mm
|
|
101.6~190.5
|
﹢0.4,﹣1.2mm
|
＞50.8~63.5
|
±0.25mm
|
|
＞63.5~76.2
|
±0.30mm
|
|
＞76.2
|
±0.38mm
|
|
ASME SA-106M
|
≤48.3
|
±0.40mm
|
≤48.3
|
±0.40mm
|
|
48.3~114.3
|
±0.79mm
|
|
114.3~219.1
|
﹢1.59，﹣0.79mm
|
|
219.1~323.9
|
﹢2.38，﹣0.79mm
|
＞48.3
|
±0.79mm
|
