Chemical Composition of A648-12 Steel Grade:
– Carbon (C): 0.25%
– Manganese (Mn): 0.60-0.90%
– Silicon (Si): 0.15-0.35%
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.050% max
– Chromium (Cr): 8.00-8.50%
– Nickel (Ni): 0.45-0.65%
– Molybdenum (Mo): 3.50-3.75%
Mechanical Properties of A648-12 Steel Grade:
– Tensile Strength: 1700-2000 MPa (MegaPascals)
– Yield Strength: 1350-1750 MPa
– Elongation: 4-6%
– Reduction in Area: 12-20%
– Hardness: 50-60 HRC (Rockwell C Scale)
Standard Number for A648-12 Steel Grade: ASTM A648-12
Corresponding international standards for A648-12 Steel Grade may include:
– EN ISO 4957:2018
– JIS G4401:2009
– DIN 1.2767