不锈钢管尺寸公差表 由:天津武进不锈钢管制品销售有限公司 提供 尺寸 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 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 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 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 EN17455-02 10~30 +0.30/-0.30 S≤3 +14/-14 1.0~3.0 +15.0/0 30~50 +4.00/-4.00 S>3 +12/-10 D>50 +9%/-9% EN17456-02 6~10 +0.20/-0.20 0.5~1.0 +0.15/-0.15 +15.0/0 10~30 +0.30/-0.30 1.0~3 +14/-14 30~50 +4.00/-4.00 S>3 +12/-10 D>50 +0.9%/-0.9% EN10216-5