ASTM A 516 Gr 55/60/65/70

Boiler Quality & Pressure Vessels Plate

ASTM A 516 Gr 55/60/65/70

Element Thickness Range Weight Grade 55 Grade 60 Grade 65 Grade 70
Carbon up to 12.5 mm % 0.18 0.21 0.24 0.27
12.5 to 50 mm % 0.20 0.024 0.26 0.28
50 to 100mm % 0.22 0.026 0.28 0.30
Silicon % 0.15 - 0.40 0.15 - 0.40 0.15 - 0.40 0.15 - 0.40
Manganese % 0.60 - 0.90 0.60 - 0.90 0.85 - 1.20 0.85 - 1.20
Phosphorus % 0.025 0.025 0.025 0.025
Sulphur % 0.025 0.025 0.025 0.025
Aluminium Min%
Tensile Strength Range Mpa 380-515 415-550 450-585 485-620
Yield strength Min Mpa 205 220 240 260
Elongation in 50mm GL Min % 27 25 23 21
Imapct Test as per SA 20 In Longitudinal Direction Min Joules Avg 18 J @ -51 Deg C Avg 18 J @ -51 Deg C Avg 18 J @ -51 Deg C Avg 20 J @ -46 Deg C
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