September 26, 2018

Carbon Steel 200-400

ISO3755, 200-400 200-400W Carbon Steel

Casting grades: 200-400; 200-400W

Metal Type: Carbon Steels

Casting Process: Sand Casting or Lost Wax Precision Investment Casting

Standard: ISO 3755

Similar Grade: GBT11352 ZG200-400; ASTM A27 U-415-205/415-205; BS3100 AM1; DIN1681 GS38 JIS5101 SC410; ГОСТ 977 15Л

Heat treatment: Annealing, Quenching and Tempering

Steel GradeC %Mn  %Si %P %S %Ni  %Cr %Cu %Mo %V %
200-4000.0350.035
200-400W0.251.000.600.0350.0350.400.350.400.150.05
Steel GradeTensile Strength

Rm Mpa

Upper Yield  Re,  MpaElongation

%

Reduction of area

Z %

Impact Strength

KV J

200-400400-550200254030
200-400W400-550200254045

1. Mechanical properties are obtained from 28mm thick standard test blocks.
2. The testing ambient temperature was take as 23 ±- 5°C degree

What’s the means “W” in ISO3755?

“W” means WELDABLE GRADE.  For example, 200-400 is non-weldable grade casting materiel, it’s choice of chemical composition shall be left to the discretion of the manufacturer.  But 200-400W is weldable grade, ISO 3755 standard indicate the detailed chemistry for welding purpose.


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