EN10025 S355JR Steel

S355JR is a low-alloy high-strength structural steel conforming to the European standard EN10025. S355JR steel in China is a low-alloy high-strength structural steel with a hardness of 70-80B and a yield strength of 300-400MPa.

S355JR executive standard: European standard EN10025

S355 and domestic corresponding trademarks:
S355JR is equivalent to domestic Q355B
S355J0 is equivalent to domestic Q355C
S355J2 is equivalent to the domestic Q355D
S355K2 is equivalent to the domestic Q355E

EN10025 S355JR Steel Chemical Composition:
C:≤0.22;
Si:≤0.55;
Mn:≤1.60;
P:≤0.025;
S:≤0.025

Mechanical properties of S355JR steel plate:
Hardness: 70-80B,
Yield strength: 300-400MPa.
Do the impact test to do +20 degree impact energy requirements of not less than 27 kJ

S355JR steel plate application:
S355JR is used in medium-strength structural parts of aircraft, propeller blades, transportation vehicles and building structural parts. Medium strength bolts and rivets for aircraft. S355JR is used in aircraft skins, bulkheads, wing ribs, wing spars, rivets, etc., and structural parts of buildings and transportation vehicles.

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