95 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
100 ● ● ● ● ● ● ◆ ● ● ● ● ● ● ● ● ● ● ● ● ● ●
102 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
外徑 壁厚
1.0 1.2 1.4 1.5 1.6 2.0 2.2 2.5 2.8 3.0 3.2 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10 11 12 13 14 15
108 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
114 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
127 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
133 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
140 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
146 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
159 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
140 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
146 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
159 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
注:
1.●表示冷拔(軋)鋼管規(guī)格。
2.鋼管的通常長(zhǎng)度規(guī)定如下:
熱軋(擠、擴(kuò))鋼管………………………………………………2-12m
冷拔(軋)鋼管………………………………………………………1—8m
3.鋼管的彎曲度不得大于如下規(guī)定:
壁厚<15mm……………………………………………………?…1.5mm/m
壁厚≥15mm……………………………………?…………………2.0mm/m
熱擴(kuò)管………………………………………………………………3.0mm/m
(3)牌號(hào)和化學(xué)成分
結(jié)構(gòu)用不銹鋼無縫鋼管的牌號(hào)和化學(xué)成分
組織
類型 序號(hào) 牌 號(hào) 化學(xué)成分(質(zhì)量分?jǐn)?shù))(%)
C Si Mn P S Ni C Mo 其 他
奧氏
體型 1 0Cr18Ni9 ≤0.07 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-11.00 17.00-19.00
2 1Cr18Ni9 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-10.00 17.00-19.00
3 00Cr19Ni10 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-12.00 18