November 27, 2018

Carbon Steel A27 GR N-1

Grade N-1 (UNS Code: J02500) is covered by 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 N1 (J02500) Casting Chemical Requirements and Mechanical Property:
Carbon: 0.25max
Manganese: 0.75 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

NO TENSILE REQUIREMENT IN STANDARD.

Carbon Steel A27 GR N-1 Listed in American Standard:

Grade N1 (J02500) Casting Heat treatment process:

Generally all castings need to be annealed.
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