ASTM A537CL2 Steel Plate is a quenched and tempered steel material,A537CL2 Boiler Steel Plate have to be done Quenched and tempered heat treatment comparing with A537CL1.The tempering temperature for A537CL2 steel plate shall not be less than 595 centigree,and last at least 1/2 hour.Tensile strength for boiler steel plate A537CL2 shall be within 550-690 Mpa,and yield strength above 415 Mpa.
ASTM A537CL2 Steel Plate Chemical Composition and Mechanical Property:
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A537 class 2 Chemical Composition
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Grade
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The Element Max (%)
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C
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Mn
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P
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S
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Si
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Cu
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Ni
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Cr
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Mo
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A537 class 2
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0.24
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0.92-1.72
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0.035
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0.035
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0.13-0.55
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0.38
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0.28
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0.29
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0.09
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade
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A537 class 2 Mechanical Property
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Thickness
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Yield
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Tensile
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Elongation
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A537 class 2
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mm
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Min Mpa
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Mpa
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Min %
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-65
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415
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550-690
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22
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65-100
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380
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515-655
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20
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100-150
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315
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485-620
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-
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Rolling range(Thickness*Width*Length ): 3-150mm*1220-4200mm*5000-18000mm
Related grades: P265GH,P355GH,16Mo3,15Mo3,A204 Grade A,A285 Grade C,SA299 Grade A,SA387,A516 Grade 70,A537 Class 1,SPV355,Q345R.
Surface Treatment: Hot rolled and Coated
Test: Ultrasonic examination,Normalized,Quenched and Tempered,NACE,HIC,SSCC and Third party inspections by end user.
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