Corrosión profesional de la fuente y placa que lleva suave laminada en caliente del acero de carbono de la resistencia térmica
nombre de acero | lleve la placa de acero de la resistencia | |||||
grado de acero | NM360 | NM400 | NM450 | NM500 | NM550 | NM600 |
grueso | 5-120m m | 5-140m m | 5-120m m | 5-100m m | 5-50m m | 6-50m m |
resistencia a la tensión/Mpa | ≥1100 | ≥1200 | ≥1250 | |||
el enlongation/% | ≥12 | ≥10 | ≥7 | |||
impacto longitudinal value/J de -20ºC | ≥24 | ≥24 | ≥24 | ≥24 | ||
hardness/HB | 330-390 | 370-430 | 420-480 | ≥470 | ≥530 | ≥570 |
Grado | Grueso | C | Si | Manganeso | P | S | Cr | Ni | MES | B | CEV | CET |
Nm360 | 5-120m m | ≤0.26 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm400 | 5-140m m | ≤0.32 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm450 | 5-120m m | ≤0.32 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm500 | 5-100m m | ≤0.30 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.50 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm550 | 5-50m m | ≤0.37 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.50 | ≤1.50 | ≤0.60 | ≤0.004 | 0,71 | 0,48 |
Nm600 | 6 (25) milímetros | ≤0.47 | ≤0.70 | ≤1.40 | ≤0.020 | ≤0.010 | ≤1.20 | ≤2.50 | ≤0.60 | ≤0.004 | ≤0.76 | ≤0.58 |
25-50m m | ≤0.47 | ≤0.70 | ≤1.40 | ≤0.020 | ≤0.010 | ≤1.20 | ≤2.50 | ≤0.60 | ≤0.004 | ≤0.87 | ≤0.61 |
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