Sell ASME SA302 GRADE B steel plates



Qfsteels are specialized in producing and exporting ASME SA302 GRADE B steel plates Boiler steel plate. ASME SA302 GRADE B steel plates Low alloy and high strength steel plate,   heavy plate and wide, heavy plate.




  1. ASME SA302 GRADE B steel plates Adopt standard: SA302/SA302M Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
  2. Specification: Thickness: 1mm to 100mm; Width: 1500mm to 3500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for SA302 GRADE B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. ASME SA302 GRADE B steel plates Chemical composition % of the Product analysis of grade
Grade C % Si % Mn % P % S % V % AL % Cr %
SA302 GRADE B 0.20-0.25 0.13-0.45 1.07-1.62 0.035 0.035      
Cu % Mo % Nb % Ni % Ti % Tungsten    


  1. ASME SA302 GRADE B steel plates Mechanical Property
Grade Thickness(mm) Min Yield Tensile Elongation Min Impact Energy
SA302 GRADE B 6-50 345 Mpa 550-690 Mpa 18%    
50-200 345 Mpa 550-690 Mpa 15%    


QFSTEELS also could supply super thick steel plate from 100mm to 300mm, certified by TUV, SGS, CE and nine classification societies: ABS, DNV, LR, GL, BV, KR, RINA, CCS, NK.

At competitive price, better quality, faster delivery and better service in supply steel plate in China


QFSTEELS has a strong relationship with our mill. We can supply ASME SA302 GRADE B steel material directly at our mill ex-factory prices. Each plate has the Mill Certificate Test EN 10204 3.1/3.2 Version.


  1. SA302 GRADE B Delivery Time Or Lead Time: 15-30days
  2. SA302 GRADE B Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
  3. If you have any requirement in steel plate for SA302 GRADE B, whether the new plate or stock list of material, please feel free to contact us by email of calling.
  4. If you had any question at our plate or service. Please contact our after service department to get faster reply.

Qfsteels Group Company Principle


More Cheaper Price,

More Faster Delivery,

The Best Company Prestige,

The Best After sales service,

The One step Steel material Solution

The Best Professional quality control system

Supplementary Requirements

S2. Product Analysis,       S8: Ultrasonic Examination

S3: Simulated pos-weld heat treatment of mechanical

S15: Reduction of area measurement and test coupons

S18: Maximum Tensile strength

S6: Drop weight test

S30:Charpy V notch impact test for structural shapes


Welcome to Qfsteels Group and any requirement in steel material ASME SA302 GRADE B steel plates, please feel free to contact us.



Sell ASME SA302 GRADE B steel plates