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Boiler Quality Plates

ASTM A516 Chemical Properties (Cast Analysis)
C Mn P max S max Si max
  t < 12.5
mm		 12.5mm < t =50mm 50mm < t ≤ 100mm 100mm < t ≤ 200mm t < 200
mm		 t < 12.5
mm		 t 12s.5
mm
A516 Grade 55 0.18 0.2 0.22 0.24 0.26 06-09 0.55-0.98 0.035 0.035 0.15-0.4
A516 Grade 60 0.21 0.23 0.25 0.27 0.27 06-09 0.85-1.2 0.035 0.035 0.15-0.4
A516 Grade 65 0.24 0.26 0.28 0.29 0.29 0.85-1.2 0.85-1.2 0.035 0.035 0.15-0.4
A516 Grade 70 0.27 0.28 0.3 0.31 0.31 0.85-1.2 0.85-1.2 0.035 0.035 0.15-0.4


ASTM A516 Mechanical Properties
  Tensile Strength (ksi) Tensile Strength (MPa) Yield Strength (ksi) Yield Strength (MPa) Elongation in 200mm(%) Elongation in 50mm(%)
A516 Grade 55 55-75 380-515 30 205 23 27
A516 Grade 60 60-80 415-550 32 220 21 25
A516 Grade 65 65-85 450-585 35 240 19 23
A516 Grade 70 70-90 485-620 38 260 17 21
 
ASTM A516 Mechanical Properties :
When the thickness is less than 5/16 in(8mm), See Specification A20/A20M for elongation adjustment.