Comparing 640A35 Steel Grade to Other Common Steel Alloys

Mechanical Properties:
– 640A35 steel grade: 640 MPa tensile strength, 390 MPa yield strength, 20% elongation at break
– Other Common Steel Alloys:
– 1045 steel: 585 MPa tensile strength, 370 MPa yield strength, 16% elongation at break
– 4140 steel: 655 MPa tensile strength, 415 MPa yield strength, 25% elongation at break

Chemical Composition:
– 640A35 steel grade: 0.32-0.39% carbon, 0.60-0.90% manganese, 0.40-0.70% silicon, 0.020% phosphorus, 0.020% sulfur
– Other Common Steel Alloys:
– 1045 steel: 0.43-0.50% carbon, 0.60-0.90% manganese, 0.15-0.35% silicon, 0.030% phosphorus, 0.050% sulfur
– 4140 steel: 0.38-0.43% carbon, 0.75-1.00% manganese, 0.15-0.35% silicon, 0.035% phosphorus, 0.040% sulfur

These values are approximate and can vary based on manufacturer and specific product forms. It’s important to consult the material data sheet for the exact values.
640A35 Steel grade
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