Normas e condições técnicas para o fornecimento: ASME SA 335 American society of mechanical engineers; ASTM A-335 M American society for Testing and Materials
Aplicação: Para aplicação em economizador, aquecedores, super-aquecedores e tubulação de vapor de caldeiras.
Composição química (%):
Grade | UNS Designation | Composition, % | |||||||
Carbon | Manganese | Phosphorus, | Sulfur | Silicon | Chromium | Molybdenum | Others | ||
max | max | ||||||||
P1 | K11522 | 0.10–0.20 | 0.30–0.80 | 0.025 | 0.025 | 0.10–0.50 | — | 0.44–0.65 | — |
P2 | K11547 | 0.10–0.20 | 0.30–0.61 | 0.025 | 0.025 | 0.10–0.30 | 0.50–0.81 | 0.44–0.65 | — |
P5 | K41545 | 0.15 max | 0.30–0.60 | 0.025 | 0.025 | 0.50 max | 4.00–6.00 | 0.45–0.65 | — |
P9 | S50400 | 0.15 max | 0.30–0.60 | 0.025 | 0.025 | 0.25–1.00 | 8.00–10.00 | 0.90–1.10 | — |
P11 | K11597 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50–1.00 | 1.00–1.50 | 0.44–0.65 | — |
P12 | K11562 | 0.05–0.15 | 0.30–0.61 | 0.025 | 0.025 | 0.50 max | 0.80–1.25 | 0.44–0.65 | — |
P15 | K11578 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 1.15–1.65 | — | 0.44–0.65 | — |
P21 | K31545 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50 max | 2.65–3.35 | 0.80–1.06 | — |
P22 | K21590 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50 max | 1.90–2.60 | 0.87–1.13 | — |
P23 | K41650 | 0.04–0.10 | 0.10–0.60 | 0.03 | 0.01 | 0.50 max | 1.90–2.60 | 0.05–0.30 | V 0.20–0.30 |
Cb 0.02–0.08 | |||||||||
B 0.0005–0.006 | |||||||||
N 0.030 max | |||||||||
Al 0.030 max | |||||||||
W 1.45–1.75 | |||||||||
P91 | K91560 | 0.08–0.12 | 0.30–0.60 | 0.02 | 0.01 | 0.20–0.50 | 8.00–9.50 | 0.85–1.05 | V 0.18–0.25 |
N 0.030–0.070 | |||||||||
Ni 0.40 max | |||||||||
Al 0.04 max | |||||||||
Cb 0.06–0.10 | |||||||||
P92 | K92460 | 0.07–0.13 | 0.30–0.60 | 0.02 | 0.01 | 0.50 max | 8.50–9.50 | 0.30–0.60 | V 0.15–0.25 |
N 0.03–0.07 | |||||||||
Ni 0.40 max | |||||||||
Al 0.04 max | |||||||||
Cb 0.04–0.09 | |||||||||
W 1.5–2.00 | |||||||||
B 0.001–0.006 |
Propriedades mecânicas: