Boiler Quality Plates
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Mehta Steels 137, Light industrial area, Bhilai, Chattisgarh Pin- 490026, India.

Boiler quality plates

 

Mehta steels the stockholder of bq plates:

 

Boiler quality plates also most commonly called as boiler grade plates are those mild steel plates with chemical composition and mechanical properties that make these bq plates capable of withstanding high temperatures and heavy pressure. Boiler plates are used in various high temperature applications such as steam boilers , boilers made of mild steel , pressure vessels , pen stock pipes , LPG bullets , are some of the examples.

Mehta steels is stockiest of bq plates tested as per Indian standard IS 2002 GR.II , IS 2002 Gr.III , IS 2041 R 220 , IS 2041 R 260.

 

Some of the common grades which are available readily in stock are IS 2002 Gr.II and ASTM A 516 Gr.70 equivalent grade IS 2041 R 260.

 

Common sizes of b.q.plates readily available in stock with Mehta steels are:
  • THICK (mm)
    WIDTH (mm)
    LENGTH (mm)
  • 6
    1500
    6300
  • 8
    1500
    6300
  • 10
    1500
    6300
  • 10.2
    2500
    12500
  • 12
    2500
    12500
  • 14
    2500
    12500
  • 16
    2500
    12500
  • 18
    2500
    12500
  • 20
    2500
    12500
  • 22
    2500
    12500
  • 25
    2500
    12500
  • 28
    2500
    12500
  • 30
    2500
    12500
  • 32
    2500
    12500
  • 36
    2500
    12500
  • 40
    2500
    12500
  • 45
    2500
    10000
  • 50
    2500
    10000
  • 63
    2500
    6300
  • 70
    2500
    6300
  • 75
    2500
    6300
  • 80
    2500
    5000
  • 90
    2500
    5000
  • 100
    2500
    5000
Common grades of boiler quality plates in stock with Mehta steels are:
  • IS 2002-1 or IS 2002 Gr. I
  • IS 2002-2 or IS 2002 Gr. II
  • IS 2002-3 or IS 2002 Gr. III
  • IS 2041R220
  • IS 2041R260
  • IS 2041R355
Pressure vessels quality plates and boiler quality plates :

Use and equivalent grade chart of bq plates

  • Description of use
    IS standard No and grade
    Near Equivalent Non IS Specification
  • IS 2002 Grade 1
    ASTM/ASME 515 Gr.60
  • For intermediate and
    high temperature
    IS 2002 Grade 2
    ASTM/ASME 515 Gr.65
  • IS 2002 Grade 3
    ASTM/ASME 515 Gr.70
  • IS 2041 Grade R 220
    ASTM/ASME 516 Gr.55
  • IS 2041 Grade R 220
    ASTM/ASME 516 Gr.60
  • IS 2041 Grade R 260
    ASTM/ASME 516 Gr.65
  • IS 2041 Grade R 260
    ASTM/ASME 516 Gr.70
  • For moderate & low temperature
    IS 2041 Grade R 355
    ASTM/ASME 537 Class 1
  • IS 2041 Grade H 235
    DIN 17155 Gr HI
  • IS 2041 Grade H 235
    EN 10028-P2-P235GH
  • IS 2041 Grade H 265
    EN 10028-P2-P265GH
  • IS 2041 Grade H 295
    EN 10028-P2-P295GH
  • IS 2041 Grade H 355
    EN 10028-P2-P355GH

HS code for hot rolled flat steel products

Mandatory tdc for supply of bq plates
MANDATORY TECHNICAL DELIVERY CONDITIONS FOR BQ PLATES
MANDATORY REQUIREMENTS FOR BOILER QUALITY GRADES
Nomenclature Mandatory TDC As per Specification Mandatory TDC As per Process requirement
IS 2002-1 Normalized for >= 12 mm
Tensile test + Bend test
Vacuum degassing for >= 40 mm
Above 40 mm, thickness tolerance as per mutual agreement.
IS 2002-2
IS 2002-3
IS 2041R220 Fine grain Practice (AI 0.02 min in ladle) Normalised for > 12 mm
Normalized for all thick when impact tested
Tensile test
Vacuum degassing for >= 40 mm
Vacuum degassing and micro alloy for all thickness – when impact test is lower than (-) 20*C – Impact (Transverse) for any temperature.
IS 2041R260
IS 2041R355 Fine grain Practice (AI 0.02 min in ladle)
Normalized for all thickness
Tensile test + Impact test at any one temperature of +20/0/-20/-40
Vacuum degassing and micro alloy For all thickness
MANDATORY TECHNICAL DELIVERY CONDITIONS FOR BQ PLATES
MANDATORY REQUIREMENTS FOR BOILER QUALITY GRADES
Nomenclature Mandatory TDC As per Specification Mandatory TDC As per Process requirement
IS 2041R220/A285C Fine grain Practice (AI 0.02 min in ladle)
Tensile test
Normalized for > 12 mm
Normalized for all thick when impact tested
Vacuum degassing for >= 40 mm
IS 2041R220/SA285C
IS 2002-1/A515-60 Normalized for > 12 mm
Tensile test + Bend test
Vacuum degassing for >= 40 mm
IS 2002-1/SA515-60
IS 2002-2/A515-65
IS 2002-2/SA515-65
IS 2002-3/A515-70
IS 2002-3/SA515-70
IS 2041R220/A516-55 Fine grain Practice (AI 0.02 min in ladle)
Normalized for > 12 mm
Normalized for all thick when impact tested
Tensile test
Vacuum degassing for >= 40 mm
Vacuum degassing and micro alloy for all thickness – when impact test is lower than (-) 20*C -Impact (Transverse) for any temperature.
IS 2041R220/SA516-55
IS 2041R220/A516-60
IS 2041R220/SA516-60
IS 2041R260/A516-65
IS 2041R260/SA516-65
IS 2041R260/A516-70
IS 2041R260/SA516-70
IS 2041R355/A537CL1 Fine grain Practice (AI 0.02 min in ladle)
Normalized for all thickness
Tensile test + Impact test at any one temperature of +20/0/-20/-40
Vacuum degassing and micro alloy For all thickness.
IS 2041R355/SA537CL1