SA 387 steel: General Requirements - Standard: ASME SA 387/ASTM A 387 - Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum - Fabrication: Hot rolled, cold rolled, or heat treated Chemical Composition - Carbon: 0.05-0.19% (Grade 2, 12), 0.05-0.17% (Grade 11), 0.10-0.20% (Grade 22), 0.15-0.25% (Grade 5, 9) - Manganese: 0.30-0.60% (Grade 2, 12), 0.40-0.65% (Grade 11), 0.30-0.60% (Grade 22), 0.30-0.60% (Grade 5, 9) - Phosphorus: 0.025% max (all grades) - Sulfur: 0.025% max (all grades) - Silicon: 0.50% max (Grade 2, 12), 0.50-1.00% (Grade 11), 0.20-0.50% (Grade 22), 0.50-1.00% (Grade 5, 9) - Chromium: 0.50-1.00% (Grade 2, 12), 1.00-1.50% (Grade 11), 1.90-2.60% (Grade 22), 4.00-6.00% (Grade 5), 8.00-10.00% (Grade 9) - Molybdenum: 0.45-0.65% (Grade 2, 12), 0.45-0.65% (Grade 11), 0.90-1.10% (Grade 22), 0.45-0.65% (Grade 5, 9) Mechanical Properties - Tensile Strength: - Grade 2, 12: 415-585 MPa (60-85 ksi) - Grade 11: 415-585 MPa (60-85 ksi) - Grade 22: 485-655 MPa (70-95 ksi) - Grade 5, 9: 515-690 MPa (75-100 ksi) - Yield Strength: - Grade 2, 12: 205-275 MPa (30-40 ksi) - Grade 11: 205-275 MPa (30-40 ksi) - Grade 22: 240-310 MPa (35-45 ksi) - Grade 5, 9: 240-310 MPa (35-45 ksi) - Elongation: 18-22% (all grades) Impact Properties - Impact Test Temperature: -20°C (-30°F) (Grade 2, 12), 0°C (32°F) (Grade 11), -20°C (-30°F) (Grade 22), 0°C (32°F) (Grade 5, 9) - Impact Energy: - Grade 2, 12: 20-40 J (15-30 ft-lb) - Grade 11: 20-40 J (15-30 ft-lb) - Grade 22: 25-50 J (18-37 ft-lb) - Grade 5, 9: 25-50 J (18-37 ft-lb) Dimensions and Tolerances - Thickness: 5-100 mm (0.2-3.9 in) - Width: 1000-2500 mm (39.4-98.4 in) - Length: 2000-12000 mm (78.7-472.4 in) - Tolerances: As per ASME SA 20/ASTM A 20 Certification and Marking - Certification: ASME SA 387/ASTM A 387 - Marking: As per ASME SA 20/ASTM A 20 Applications - Pressure vessels - Boilers - Heat exchangers - Pipework - Oil, gas, and petrochemical industries Note: This specification is a general overview and may not be applicable to every situation. It's essential to consult the relevant ASME and ASTM standards for specific requirements.
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SA 387 steel: General Requirements - Standard: AS...
2025-03-13T10:54:57
SA 387 steel: General Requirements - Standard: ASME SA 387/ASTM A 387 - Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum - Fabrication: Hot rolled, cold rolled, or heat treated Chemical Composition - Carbon: 0.05-0.19% (Grade 2, 12), 0.05-0.17% (Grade 11), 0.10-0.20% (Grade 22), 0.15-0.25% (Grade 5, 9) - Manganese: 0.30-0.60% (Grade 2, 12), 0.40-0.65% (Grade 11), 0.30-0.60% (Grade 22), 0.30-0.60% (Grade 5, 9) - Phosphorus: 0.025% max (all grades) - Sulfur: 0.025% max (all grades) - Silicon: 0.50% max (Grade 2, 12), 0.50-1.00% (Grade 11), 0.20-0.50% (Grade 22), 0.50-1.00% (Grade 5, 9) - Chromium: 0.50-1.00% (Grade 2, 12), 1.00-1.50% (Grade 11), 1.90-2.60% (Grade 22), 4.00-6.00% (Grade 5), 8.00-10.00% (Grade 9) - Molybdenum: 0.45-0.65% (Grade 2, 12), 0.45-0.65% (Grade 11), 0.90-1.10% (Grade 22), 0.45-0.65% (Grade 5, 9) Mechanical Properties - Tensile Strength: - Grade 2, 12: 415-585 MPa (60-85 ksi) - Grade 11: 415-585 MPa (60-85 ksi) - Grade 22: 485-655 MPa (70-95 ksi) - Grade 5, 9: 515-690 MPa (75-100 ksi) - Yield Strength: - Grade 2, 12: 205-275 MPa (30-40 ksi) - Grade 11: 205-275 MPa (30-40 ksi) - Grade 22: 240-310 MPa (35-45 ksi) - Grade 5, 9: 240-310 MPa (35-45 ksi) - Elongation: 18-22% (all grades) Impact Properties - Impact Test Temperature: -20°C (-30°F) (Grade 2, 12), 0°C (32°F) (Grade 11), -20°C (-30°F) (Grade 22), 0°C (32°F) (Grade 5, 9) - Impact Energy: - Grade 2, 12: 20-40 J (15-30 ft-lb) - Grade 11: 20-40 J (15-30 ft-lb) - Grade 22: 25-50 J (18-37 ft-lb) - Grade 5, 9: 25-50 J (18-37 ft-lb) Dimensions and Tolerances - Thickness: 5-100 mm (0.2-3.9 in) - Width: 1000-2500 mm (39.4-98.4 in) - Length: 2000-12000 mm (78.7-472.4 in) - Tolerances: As per ASME SA 20/ASTM A 20 Certification and Marking - Certification: ASME SA 387/ASTM A 387 - Marking: As per ASME SA 20/ASTM A 20 Applications - Pressure vessels - Boilers - Heat exchangers - Pipework - Oil, gas, and petrochemical industries Note: This specification is a general overview and may not be applicable to every situation. It's essential to consult the relevant ASME and ASTM standards for specific requirements.
2025-03-13T10:54:57
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