GB 712 Grade A Steel Plate

 GB 712 Grade A Steel Plate, GB 712 Grade A Ship Plate, GB 712 Grade A Supplier,

Unitedsteel Shipbuilding Plate factory is specialized in producing, exporting high quality GB 712   Classification Society Steel Plate, The main Grade is GB 712 Grade A, Grade B, Grade D, Grade E, AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40 and FH32, FH36, FH40.


GB 712 A Chemical, GB 712 A Composition, GB 712 A Production Analysis, GB 712 A Steel Plate, GB 712 A Ship Plate, GB 712 A Supplier, GB 712 A Factory, GB 712 A Stock list, GB 712 A Mechanical property, GB 712 A Stock. GB 712 A Impact, GB 712 A Tensile, GB 712 A Yield, GB 712 A Price

  1. GB 712 A Chemical Composition Max % for production analysis
GB 712 A general Strength Chemical Composition in Tempering and Quenching
Grade The Element Max (%)
C Si Mn P S Al N
GB 712 A 0.21 0.50 2.5C 0.035 0.035  

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

  1. GB 712 A Mechanical Property
GB 712 Grade A general strength property in tempering and quenching
Grade   Mechanical Property Charpy V Impact Test
Thickness Yield Tensile Elongation Degree Energy 1 Energy 2
GB 712 A mm Min Mpa Mpa Min  % 20 J J
t≤50 235 400-520 22% 20 27
50<t≤70 235 400-520 22% 24 34
70<t≤100 235 400-520 22% 27 41
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal


  1. Size: Thickness 1mm to 600mm,

       Width: 1500mm to 4500mm

       Length: 10mm to 12000mm

       Max weight of each plate: 50 Tons.

  1. Delivery time: 25days or earlier.

  1. Payment Item: TT or LC.

  1. Quliay Promised: Third party inspection and factory inspection before delivery.

  1. Cutting service and pretreatment Service

Unitedsteel Shipbuilding Plate factory is specialized in high quality shipbuilding steel plate and stock steel plates. If you have any requirement for Shipbuilding Steel Material plate, please feel free to contact us.