

Q390 Introducción

calificación | do | Minnesota | Si | PAG | S | V | Nótese bien | Ti | Alabama | Cr | Ni |
A | ≤0,20 | 1.00~1.60 | ≤0,55 | ≤0,045 | ≤0,045 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | - | ≤0,30 | ≤0,70 |
B | ≤0,20 | 1.00~1.60 | ≤0,55 | ≤0,040 | ≤0,040 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | - | ≤0,30 | ≤0,70 |
do | ≤0,20 | 1.00~1.60 | ≤0,55 | ≤0,035 | ≤0,035 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0,30 | ≤0,70 |
D | ≤0,20 | 1.00~1.60 | ≤0,55 | ≤0,030 | ≤0,030 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0,30 | ≤0,70 |
mi | ≤0,20 | 1.00~1.60 | ≤0,55 | ≤0,025 | ≤0,025 | 0.02~0.20 | 0.015~0.060 | 0.02~0.20 | ≥0.015 | ≤0,30 | ≤0,70 |
calificación | δ5/% |
A | ≥19 |
B | ≥19 |
do | ≥20 |
D | ≥20 |
mi | ≥20 |
Grosor (diámetro, longitud del lado) / mm | ≤16 | >16~35 | >35~50 | >50~100 |
σs/MPa | ≥390 | ≥370 | ≥350 | ≥330 |
Nivel¦Temperatura | +20℃ | 0℃ | -20℃ | -40℃ |
A | ||||
B | ≥34 | |||
do | ≥34 | |||
D | ≥34 | |||
mi | ≥27 |