Supply ASTM A302 GRADE B steel plate


QFSTEELS  are specialized in producing and exporting ASTM A302 GRADE B steel plate NACE MR0175, MR0103 Boiler steel plate.ASTM A302 GRADE B steel plate Low alloy and high strength steel plate.Keyword: A302 GRADE B,ASTM A302 GRADE B,A302 GRADE B Steel,A302 GRADE B HIC,A302 GRADE B NACE

  1. A302 GRADE B Adopt standard: A302/A302M Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
  2. A302 GRADE B Specification: Thickness: 1mm to 100mm; Width: 1500mm to 3500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for A302 GRADE B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. A302 GRADE B Chemical composition % of the Product analysis of grade
Grade C % Si % Mn % P % S % V % AL % Cr %
A302 GR B 0.25 0.13-0.45 1.07-1.62 0.035 0.035
Cu % Mo % Nb % Ni % Ti % Tungsten
  1. A302 GRADE B Mechanical Property
Grade Thickness(mm) Min Yield Tensile Elongation Min Impact Energy
A302 GR 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

ASME SA537CL.3 steel plate price

QFSTEELS has a strong relationship with our mill. We can supply ASTM A302 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. Delivery Time Or Lead Time: 15-30days
  2. 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 had any question at our plate or service. Please contact our after service department to get faster reply.

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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

If you have any requirement in steel plate for ASTM A302 GRADE B steel plate, whether the new plate or stock list of material, please feel free to contact us by email of calling.

Sell ASME SA302 GRADE A steel plates

Supply ASTM A302 GRADE B steel plate