16Mo3 Welding Neck flanges EN1092-1 WN Flanges Customized ANSI 150lb-2500lb 1/2"-72" SS WN Flanges
16Mo3 Chemical Composition :
No. | Grade | C | Mn | S | P | Si | YS | TS | EI |
1 | Q245R | ≤0.2 | 0.5-1.0 | ≤0.015 | ≤0.025 | ≤0.35 | ≥235 | 400-520 | ≥25 |
2 | Q345R | ≤0.2 | 1.2-1.6 | ≤0.015 | ≤0.025 | ≤0.55 | ≥325 | 490-620 | ≥21 |
3 | Q370R | ≤0.18 | 1.2-1.6 | ≤0.015 | ≤0.025 | ≤0.55 | ≥270 | 520-630 | ≥20 |
4 | 16MO3 | 0.12-0.20 | 0.40-0.80 | ≤0.010 | ≤0.030 | 0.10-0.35 | ≥270 | 450-600 | ≥20 |
5 | A515 GR60 | ≤0.24 | 0.90 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥220 | 415-550 | ≥21 |
A515 GR65 | ≤0.28 | 0.90 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥240 | 450-585 | ≥19 |
A515 GR70 | ≤0.31 | 1.20 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥260 | 485-620 | ≥17 |
6 | A516 GR55 | ≤0.18 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥205 | 380-515 | ≥23 |
A516 GR60 | ≤0.21 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥220 | 415-585 | ≥21 |
A516 GR65 | ≤0.24 | 0.85-1.20 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥240 | 450-585 | ≥19 |
A516 GR70 | ≤0.27 | 0.85-1.20 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥260 | 485-620 | ≥17 |
7 | ASTM A537 | ≤0.24 | 0.70-1.35 | ≤0.035 | ≤0.035 | 0.15-0.50 | ≥345 | 485-620 | ≥22 |
8 | A387 Gr2 Cl-1 | 0.05-0.21 | 0.55-0.80 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥228 | 380-550 | ≥22 |
A387 Gr2 Cl-2 | - | - | - | - | - | ≥310 | 485-620 | ≥22 |
A387 Gr11 Cl-1 | 0.05-0.17 | 0.40-0.65 | ≤0.035 | ≤0.035 | 0.15-0.40 | ≥242 | 415-585 | ≥22 |
A387 Gr11 Cl-2 | - | - | - | - | - | ≥310 | 515-690 | ≥22 |
A387 Gr12 Cl-1 | 0.05-0.17 | 0.40-0.65 | ≤0.035 | ≤0.035 | 0.50-0.80 | ≥228 | 380-550 | ≥22 |
A387 Gr12 Cl-2 | - | - | - | - | - | ≥275 | 450-585 | ≥23 |
A387 Gr22 Cl-1 | 0.05-0.15 | 0.30-0.60 | ≤0.035 | ≤0.035 | ≤0.50 | ≥210 | 415-585 | ≥18 |
A387 Gr22 Cl-2 | - | - | - | - | | ≥310 | 515-690 | ≥18 |