規(guī)范 | 外徑 | 厚度 | 直度 | 長度 | ||
ASTM A312 | ≤48.26 +0.4 -0.8 | ±12.5% | 6.4mm/6.0m |
+6.0 -0.0 |
||
>48.26~≤114.3 +0.8 -0.8 | ||||||
>114.3~≤219.08 +1.6 -0.8 | ||||||
>219.0~≤457.0 +2.4 -0.8 | ||||||
JIS G3459 | <30.0 ±0.3 |
<2.0 ±0.20 ≥2.0 ±10.0% |
- | 指定長度 | ||
≥30.0 ±1.0%D | ||||||
GB/T 12771 | <40.0 ±0.3 | ±10.0% |
≤108.0 ≤1.5 >108.0~325.0≤2.0 (OD,mm/m) |
+20.0 -0.0 |
||
≥40.0~<65.0 ±0.4 | ||||||
≥65.0~<90.0 ±0.5 | ||||||
≥90.0~<168.3 ±1.0 | ||||||
≥168.3~<325.0 ±1.0%D | ||||||
EN 10217-7 | D≤168.3 | D3±0.75% or ±0.3 |
T3±10.0% or ±0.2mm 兩者取最大值 |
3.0mm/m | 6.0m< |
L≤6.0m +5.0-0.0 L<12.0m +10.0-0.0 L>12.0m協(xié)議 By agreement |
兩者取最大值 | ||||||
D4 ±0.5% or 0.1 | ||||||
兩者取最大值 | ||||||
D2 ±1.0% |