各标准中对不锈钢无缝管公差尺寸的范围限定
标准 | 外径(mm) | 壁厚(%) | 切割长度(mm) | ||||
尺寸 | 公差 | 尺寸(mm) | 公差 | 尺寸 | 公差 | ||
GB/T14975-02 | 10~30 | +0.30/-0.30 | S≤3 | +14/-14 | 1.0~3.0 | +15/0 | |
30~50 | +0.40/-0.40 | S>3 | +12/-10 | | | ||
D>50 | +0.9%/-0.9% | | | | | ||
GB/T14976-02 | 6~10 | +0.20/-0.20 | 0.5~1.0 | +0.15/-0.15mm | | +15/0 | |
10~30 | +0.30/-0.30 | 1.0~3.0 | +14/-14 | ||||
30~50 | +0.40/-0.40 | >3 | +12/-10 | ||||
D>50 | +0.9%/-0.9% | | +12.5/-12.5 | ||||
泰州市佳孚不锈钢制品有限公司是戴南地区专业生产不锈钢无缝管,不锈钢方矩管,不锈钢厚壁管的大型钢管厂 | |||||||
GB13296-91 | ≤140 | +1.25%/-1.25% | ≤10 | +15/-15 | | | |
>140 | +1%/-1% | >10 | | ||||
ASTM213 | D<25.4 | +0.10/-0.10 | D<38.1 | +20/0 | D<50.8 | +3.0/0 | |
25.4~38.1 | +0.15/-0.15 | ||||||
38.1~50.8 | +0.20/-0.20 | ||||||
50.8~63.5 | +0.25/-0.25 | D≥38.1 | +22/0 | D≥50.8 | +5.0/0 | ||
63.5~76.2 | +0.30/-0.30 | ||||||
76.2~101.6 | +0.38/-0.38 | ||||||
101.6~190.5 | +0.38/-0.64 | ||||||
190.5~228.6 | +0.38/-1.14 | ||||||
佳孚公司电话:0523-83983163,传真:0523-83902150,移动电话:13901424163,邮箱:jfbxg0523@163.com | |||||||
ASTM A269 | D<12.7 | +0.13/-0.13 | | +15/-15 | | +3.2/0 | |
12.7~38.1 | +10/-10 | ||||||
38.1~88.9 | +0.25/-0.25 | +4.8/0 | |||||
88.9~139.7 | +0.38/-0.38 | ||||||
139.7~203.2 | +0.76/-0.76 | ||||||
ASTM A312 | 10.29~48.26 | +0.40/-0.80 | | +12.5/-12.5 | | +6.0/0 | |
48.26~114.30 | +0.80/-0.80 | ||||||
114.30~219.08 | +1.60 /-0.80 | ||||||
219.08~457.20 | +2.40/-0.80 | ||||||
佳孚公司网站:www.9abxg.com | |||||||
ASTM A789 | D≤12.7 | +0.13/-0.13 | | +15/-15 | | +3.0/0 | |
12.7~38.1 | +10/-10 | ||||||
38.1~88.9 | +0.25/-0.25 | +5.0/0 | |||||
88.9~139.7 | +0.38/-0.38 | ||||||
139.7~203.2 | +0.76/-0.76 | ||||||
ASTM A790 | 10.29~48.26 | +0.40/-0.80 | | | | | |
| 48.26~114.3 | +0.80/-0.80 | | | | | |
| 114.3~219.08 | +1.60/-0.80 | | | | | |
| 219.08~457.20 | +2.40/-0.80 | | | | |