November 30, 2018

Carbon Steel A27 GR 60-30

Grade 60-30[415-205] (UNS Code: J03000) is listed in ASTM A27 standard, it’s a good carbon steel for casting purpose.

ASTM A27 / A27M – 17 Standard Specification for Steel Castings, Carbon, for General Application

Grade 60-30[415-205] (J03000) Casting Chemical Requirements and Mechanical Property:
Carbon: 0.30max
Manganese: 0.60 max
Silicon: 0.80 max
Sulfur: 0.06 max
Phosphorus: 0.05 max
For each reduction of 0.01 % carbon below the maximum specified, an increase of 0.04 % manganese above the maximum specified will be permitted to a maximum

Tensile Strength: 60ksi(415Mpa) min
Yield Strength: 30ksi (205Mpa) min
Elongation in 2in. or 50mm: 24.0% min
Reduction of Area: 35% min

Casting Heat treatment process: generally all Grade 60-30[415-205] (J03000) investment castings should be heat-treated by full annealing, normalizing, normalizing and tempering, or quenching and tempering

Manufacture Process: Sand Casting, Precision Lost Wax Investment Casting.

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