• Standard:
  • Specification:
    Thickness: 6-420mm Width: 100-4200mm Length: 100-4200mm ... More
  • MOQ:
    1 tons.We also can accept sample order.
  • Material:
    P235GH/P265GH/P355GH/16Mo3/13CrMo4-5/10CrMo9-10/12CrMo9-10P275N/P355N/P460N/A516/SA302/A387/A516 ... More
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ASTM A537A537M A537 Class 1 steel grade,A537 Class 1 carbon steel plates
The ASTM A537 specification is the Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel used in the applications of fusion welded pressure vessels and structures. Typical applications are pressure vessels designed for moderate and lower-temperature service requiring excellent notch toughness as well as API 650 and API 620 storage tanks. Class 1 material is available as Normalized and Class 2 is available as Quenched & Tempered plates.
BBN steel Bolier Plate Factoryare specialized in producing and exporting ASTM A537 A537 CLASS 1 NACE MR0175, MR0103 Boiler steel plate, Low alloy and high strength steel plate, heavy plate and wide, heavy plate, Which is a large steel plate supplier mill at BBN steel.
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Keyword: A537 CLASS 1,ASTM A537 CLASS 1,A537 CLASS 1 Steel,A537 CLASS 1 HIC,A537 CLASS 1 NACE
A537 CLASS 1 Adopt standard: ASTM SA537 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
A537 CLASS 1 Specification: Thickness: 1mm to 200mm; Width: 1500mm to 3500mm: Length: 3000mm to 27000mm
Third Party Inspection for A537 CLASS 1: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
ASTM A537A537M ASTM A537 CLASS 1 Chemical composition% of the Product analysis of grade:


C %

Si %

Mn %

P %

S %

V %


Cr %

A537 CLASS 1









Cu %

Mo %

Nb %

Ni %

Ti %












ASTM A537A537M ASTM A537 CLASS 1 Mechanical Property:



Min Yield



Min Impact Energy

A537 CLASS 1


345 Mpa

485-620 Mpa





310 Mpa

450-585 Mpa










Normally ASTM A537 CLASS 1 plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.
ASTM A537 CLASS 1 steel plates shall be normalized. SA537CL2 and SA537Cl3 plates shall be quenched and tempered. The tempering temperature for Cl2 plates shall not be less than 1100°F [595°C] for not less than 1⁄2 h and 1150°F [620°C] for Class 3 plates for not less than 1⁄2 h.
A537 CLASS 1 Delivery Time Or Lead Time: 15-30days
A537 CLASS 1 Extra Service:Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
If you have any requirement in steel plate for A537 CLASS 1, whether the new plate or stock list of material, please feel free to contact us by email of calling.
If you had any question at our plate or service. Please contact our after service department to get faster reply.

Steel processing product Applicaiton industries

Main Steel Grade: A36,SS400,S235JR,S355J2,S355JR,S355K2,S420N, S690Q,A283GRC, A572Gr70, A514GrF,A588GRA,A588GRB,S460Q,S690QL1,More Details, Kindly Check The Table As Follows.

Steel processing product applicaiton is widely,used in many industries.

Electric power field

Bridges and Construction steel structure

Auto parts

Pressure Vessels

Offshore operation equipment

Mechanical parts

Engineering machinery equipment

Steel Processing Equipmen

  • Heat treatment furnace

    Heat treatment furnace

  • Boring machine

    Boring machine

  • CNC milling machine

    CNC milling machine

  • Bending machine

    Bending machine

  • Plasma cutting machine

    Plasma cutting machine

  • Flame cutting machine

    Flame cutting machine

  • Press machine

    Press machine

  • Submerged arc welding machine

    Submerged arc welding machine

  • Surface grinder

    Surface grinder

  • 500T Punching machine

    500T Punching machine

OEM/ODM Service

OEM/ODM Service

Known as a large ODM enterprise, BBN steel can provide OEM and ODM service for different companies according to their demands. Our company will adopt advanced vertical machining center, and various advanced precision machining equipments, certified by ISO9001, ISO14001 and PED. Our machining steel products have been exported to many countries all over the world./p>

BBN Services

  • Technical evaluation

    Technical evaluation

  • Production Schedule

    Production Schedule

  • Production Tracking

    Production Tracking

  • Quality Control Team

    Quality Control Team

  • Toothed finishing

    Toothed finishing

  • Inspection in lab

    Inspection in lab

  • Booking shipping space

    Booking shipping space

  • Documents Confirmation

    Documents Confirmation

  • Shipping track

    Shipping track

  • After sales service

    After sales service

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