Grade E St E 285 steel

Grade E St E 285 steel belongs to alloy structural steel. Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.

Grade E St E 285 steel

Grade E St E 285 steel Chemical Composition:

C(％)≤: 0.16
Si(％): ≤0.40
Mn(％): 0.50～1.50
P(％)≤: 0.025
S(％)≤: 0.015
N(％)≤: 0.020
Als(％): 0.020
Cr(％)≤: 0.30
Cu(％)≤: 0.30
Mo(％)≤: 0.08
Ni(％)≤: 0.50
Nb(％)≤: 0.05
Ti(％)≤: 0.03
V(％): 0.05
Nb+Ti+V (％): 0.05
Cr+Cu+Mo≤0.45％

The concentration of alloy element of Grade E St E 285 steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.

Alloy structural steel are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.

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