JIS G 3115 SPV 315 steel,JIS G 3115 SPV 315 steel Chemical Composition

JIS G 3115 SPV 315 steel is a kind of material for boiler and pressure vessel steel. JIS G 3115 SPV 315 steel is mainly used to  for manufacturing boilers, pressure vessels and pipes transporting hot liquids.

There are five main elements in JIS G 3115 SPV 315 steel, carbon(C), manganese(Mn), phosphorus(P), sulfur(S) and silicon(Si).

JIS G 3115 SPV 315 steel Chemical Composition specific data is as follows:

C  %    0.08-0.2
Mn %    0.90-1.50
P  %    0.025
S  %    0.015
Si %     0.40

In general, phosphorus is harmful element in steel, increases steel cold brittleness, leads welding performance deterioration and cold bending property deterioration, reducing plastic. Therefore usually require steel contains phosphorus less than 0.045%, high quality steel requires less.

Through the above data, JIS G 3115 SPV 315 steel contains 0.025% phosphorus, we can know that JIS G 3115 SPV 315 steel belongs to high quality steel.

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