Grade | Chemical Composition | Mechanical Properties | ||||||
C | Mn | Si | S | P | Yield | Tensile | Elongati | |
Strength Mpa | Strenth Mpa | -on % | ||||||
Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
Outside Diameter | Wall Thickness | ||
DN | Inch | mm | mm |
15 | 1/2" | 20~21.3 | 0.95~2.77 |
20 | 3/4" | 25~26.9 | 1.1~2.87 |
25 | 1" | 32~33.7 | 1.1~4.0 |
32 | 1 1/4" | 40~42.4 | 1.1~4.0 |
40 | 1 1/2" | 47~48.3 | 1.5~7.0 |
50 | 2" | 58~60.3 | 1.8~7.0 |
65 | 2 1/2" | 73~76.1 | 2.0~7.0 |
80 | 3" | 87~88.9 | 2.2~8.0 |
90 | 3 1/2" | 101.6~102.1 | 2.2~9.0 |
100 | 4" | 113~114.3 | 2.2~9.0 |
125 | 5" | 140~141.3 | 2.5~10.0 |
150 | 6" | 165~168.3 | 2.5~10.0 |
200 | 8" | 216~219.1 | 2.75~12.0 |
250 | 10" | 272.8~273.2 | 5.0~13.75 |
300 | 12" | 323.8~325 | 5.5~13.75 |
350 | 14" | 355.6~356 | 5.5~13.75 |
400 | 16" | 406~406.4 | 5.75~13.75 |
450 | 18" | 457~457.2 | 5.75~17.75 |
500 | 20" | 507.9~508.1 | 5.75~17.75 |
600 | 24" | 609~610 | 5.75~17.75 |