We are a leading firm for supplying various grade of steels used in different industries.1.2312 Steel Flat Bar is a high tensile alloy tool steel. Due to its higher sulphur content it offers better machineability.
Chemical Composition :-
Carbon : 0.35 0.45%
Manganese : 1.40 1.60%
Chromium : 1.80 2.00%
Silicon : 0.30 0.50%
Molybdenum : 0.15 0.25%
Sulphur : 0.05 0.10%
Phosphorous : 0.03% max
Heat Treatment :-
Grade : 40CrMnMoS8-6
Hot working temperature/C : 1050 850
Annealing Temperature/C : 780 760
Hardness is less then or equal to after annealing : 230 HBS
Quenching temperature/C : 830 870
Cooling Medium : Oil
Hardness after tempering HRC|200 C : 50
Applications :-
Zinc die casting dies, bolsters, backers, die holders, injection molds etc.