Boiler Quality & Pressure Vessels Plate

Boiler Quality & Pressure Vessels Plate

ASTM A 515

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Element Thickness Range Weight Grade 60 Grade 65 Grade 70
Carbon up to 12.5 mm % 0.24 0.28 0.31
12.5 to 50 mm % 0.27 0.31 0.33
50 to 100mm % 0.29 0.33 0.35
Silicon % 0.15 - 0.40 0.15 - 0.40 0.15 - 0.40
Manganese % 0.9 0.9 1.2
Phosphorus % 0.025 0.025 0.025
Sulphur % 0.025 0.025 0.025
Aluminium Min%
Tensile Strength Range Mpa 415-550 450-585 485-620
Yield strength Min Mpa 220 240 260
Elongation Min % 25 23 21

IS 2002

Element Thickness Range Weight Grade 1 Grade 2 Grade 3
Carbon up to 12.5 mm % 0.18 0.2 0.22
12.5 to 50 mm %
50 to 100mm %
Silicon % 0.15 - 0.35 0.15 - 0.35 0.15 - 0.35
Manganese % 0.50 - 1.2 0.50 - 1.2 0.50 - 1.2
Phosphorus % 0.04 0.04 0.04
Sulphur % 0.035 0.035 0.035
Aluminium Min% 0.020 0.020 0.020
Tensile Strength Range Mpa 360-480 410-530 460-580
Yield strength Min Mpa 235 265 290
Elongation in 50mm GL Min % 24 22 21

ASTM A 516

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

IS 2041

Element Thickness Range Weight R220 R260 R275 R355
Carbon up to 12.5 mm % 0.21 0.25 0.16 0.18
12.5 to 50 mm %
50 to 100mm %
Silicon % 0.15 - 1.50 0.85 - 1.50 0.80 - 1.50 1.10 - 1.70
Manganese % 0.60 - 1.50 0.85 - 1.50 0.80 - 1.50 1.10 - 1.70
Phosphorus % 0.035 0.035 0.025 0.025
Sulphur % 0.035 0.035 0.015 0.015
Aluminium Min% 0.020 0.020 0.020 0.020
Tensile Strength Range Mpa 415-540 490-620 380-510 490-640
Yield strength Min Mpa 220 260 275 355
Elongation in 50mm GL Min % 27 25 23 21
Imapct Test as per SA 20 In Longitudinal Direction Min Joules Not Specified
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