|
不 锈 钢 国 外 标 准
|
|
标准 / 尺寸
|
外径（ mm)
|
壁厚（ mm ）
|
长度（ mm ）
|
|
尺寸
|
允许偏差
|
尺寸
|
允许偏差
|
尺寸
|
允许偏差
|
|
ASTM
A312
|
[10.29 ， 48.26]
|
+0.40/-0.80
|
|
10.3-73
|
|
88.9-457 T/D<5%
|
|
88.9-457 T/D>5%
|
|
508 以上 T/D<5%
|
|
508 以上 T/D>5%
|
|
|
+20%-12.5%
|
|
+22.5%12.5%
|
|
+15%-12.5%
|
|
+22.5%-12.5%
|
|
+15% ， -12.5%
|
|
|
+6/-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
A213
|
D<25.4
|
+0.10/-0.10
|
D ≤ 38.1
|
+20%/-0
|
D<50.80
|
+3/-0
|
|
[25.4,38.1]
|
+0.15/-0.15
|
|
(38.1,50.8)
|
+0.20/-0.20
|
D>38.1
|
+22%/-0
|
D ≥ 50.8
|
+5/-0
|
|
[50.8,63.5)
|
+0.25/-0.25
|
|
[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
269
|
D<12.7
|
+0.13/-0.13
|
|
± 15%
|
|
+3.2/-0
|
|
(12.7,38.1]
|
± 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
|
|
JIS
G3459
|
D<30
|
+0.30/-0.30
|
S<2
|
± 20
|
|
|
|
D ≥ 30
|
± 1%
|
S ≥ 2
|
± 10%
|
|
JIS
G3463
|
D<40
|
+0.25/-0.25
|
D<40;S<2
|
+0.40/-0
|
D ≤ 50;L≤7
|
+7/-0
|
|
[40,50)
|
D<50;L>7
|
长度每增加 3 米或其零数在上正允许偏差上加上 3mm ，**** 15mm
|
|
[50,60)
|
|
[60,80)
|
+0.30/-0.30
|
D<40;S ≥ 2
|
+20%/-0
|
|
[80,100)
|
+0.40/-0.40
|
|
|
|
[100,120)
|
+0.40/-0.60
|
D>50;L ≤ 7
|
+10/-0
|
|
[120,160)
|
+0.40/-0.60
|
D ≥ 40
|
+22%/-0
|
D>50;L>7
|
与 D<50;L ≥ 7m
内容相同
|
|
[160,200)
|
+0.40/-0.60
|
|
D ≥ 200
|
+0.40/-1.60
|
|
DIN17456
DIN17458
|
D2
|
± 10%±0.5min
|
|
|
± 10% 0.2min
|
|
± 7.5% 0.15
min
|
|
D ≤ 40;L≤1m
D≤40;L;(1-2)m
D≤40;L;(2-3)m
D≤40;L;(3-4)m
D≤40;L;(4-8)m
|
|
+1/-0
|
|
+2/-0
|
|
+3/-0
|
|
+4/-0
|
|
+5/-0
|
|
|
D3
|
± 0.75%±0.3min
|
|
D4
|
± 0.5%±0.1min
|
40
|
|
|
L ≤ 6m
|
+5/-0
|
|
L>6m
|
+10/-0
|
|
ASTM A511 TABALE3
|
D<12.7
|
+0.13/-0.13
|
|
± 15%
|
|
+3.2/-0
|
|
[12.7,38.1)
|
± 10%
|
+4.8/-0
|
|
[38.1,88.9)
|
+0.25/-0.25
|
|
[88.9,139.7)
|
+0.38/-0.38
|
|
[139.7,203.2)
|
+0.76/-0.76
|
|
[203.2,219.8)
|
+1.14/-1.14
|
|
[219.8,323.85)
|
+1.57/-1.57
|
|
ASTM A511 TABALE4
|
D ≤ 76.2
|
+0.56/-0.58
|
S ≤ 2.77
|
± 16.5%
|
|
+4.76/-0
|
|
D ≤ 76.2
|
0.56/-0.58
|
S ≤ 2.77
|
± 16.5%
|
|
|
2.77
|
± 15%
|
|
4.37
|
± 14%
|
|
S>5.16
|
± 12.5%
|
|
(76.2,139.7]
|
+0.79/-0.79
|
S ≤ 2.77
|
± 16.5%
|
|
|
2.77 S 4.37
|
± 15%
|
|
4.37
|
± 14%
|
|
S>5.16
|
± 12.5%
|
|
(139.7,203.2]
|
+1.19/-1.19
|
4.37
|
± 14%
|
|
|
S>5.16
|
± 12.5%
|
|
|
