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Shandong Heyixin Metal Materials Co., Ltd

  • China,Liaocheng ,Shandong
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China ASTM A572 Grade 50 HSLA Carbon Steel Plate Hot Rolled 6mm-150mm 2500mm Width for
China ASTM A572 Grade 50 HSLA Carbon Steel Plate Hot Rolled 6mm-150mm 2500mm Width for

  1. China ASTM A572 Grade 50 HSLA Carbon Steel Plate Hot Rolled 6mm-150mm 2500mm Width for

ASTM A572 Grade 50 HSLA Carbon Steel Plate Hot Rolled 6mm-150mm 2500mm Width for

  1. MOQ: 5 Tons
  2. Price: USD 580-750 / Ton
  3. Get Latest Price
Grade ASTM A572 Grade 50 (Equivalent: S355JR, Q345B, SM490A)
Length 6000mm - 18000mm
Yield Strength ≥345 MPa (≥50 ksi)
Delivery Time 15-25 working days after order confirmation
Packaging Details Shot blasted SA2.5, steel strip bundled, heavy-duty wooden pallet, MTC EN 10204 3.1 provided
Tensile Strength ≥450 MPa (≥65 ksi)
Carbon Equivalent CE ≤0.45% (typical 0.38-0.42%)
Thickness 6mm - 150mm
Application Bridges, Transmission Towers, Heavy Structures, Rolled Shapes, Offshore Platforms
Payment Terms T/T, L/C at sight
Standard ASTM A572/A572M, AASHTO M270
Supply Ability 12000 Tons per Month
Width 1500mm, 2000mm, 2500mm
Brand Name Baosteel
Model Number A572-GR50-HR
Certification ISO 9001:2015, ASTM A572/A572M, AASHTO M270, EN 10204 3.1
Place of Origin Shanghai, China

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  1. Product Details
  2. Company Details

Product Specification

Grade ASTM A572 Grade 50 (Equivalent: S355JR, Q345B, SM490A) Length 6000mm - 18000mm
Yield Strength ≥345 MPa (≥50 ksi) Delivery Time 15-25 working days after order confirmation
Packaging Details Shot blasted SA2.5, steel strip bundled, heavy-duty wooden pallet, MTC EN 10204 3.1 provided Tensile Strength ≥450 MPa (≥65 ksi)
Carbon Equivalent CE ≤0.45% (typical 0.38-0.42%) Thickness 6mm - 150mm
Application Bridges, Transmission Towers, Heavy Structures, Rolled Shapes, Offshore Platforms Payment Terms T/T, L/C at sight
Standard ASTM A572/A572M, AASHTO M270 Supply Ability 12000 Tons per Month
Width 1500mm, 2000mm, 2500mm Brand Name Baosteel
Model Number A572-GR50-HR Certification ISO 9001:2015, ASTM A572/A572M, AASHTO M270, EN 10204 3.1
Place of Origin Shanghai, China
High Light ASTM A572 Grade 50 steel platehot rolled carbon steel plateHSLA steel plate for bridge building

ASTM A572 Grade 50 HSLA Carbon Steel Plate — Bridge & Heavy Structure Grade

Our ASTM A572 Grade 50 high strength low alloy (HSLA) steel plate provides 345 MPa (50 ksi) minimum yield strength through controlled microalloying with niobium and vanadium, delivering a 38% strength advantage over standard A36 without compromising weldability. With excellent notch toughness and a low carbon equivalent (≤0.45%), this grade is the workhorse specified for highway bridges (AASHTO M270), heavy structural frames, transmission towers, and offshore platform components. We supply North American infrastructure projects, Middle Eastern bridge programs, and Southeast Asian power transmission networks.

Key Features

  • 38% Stronger than A36: 345 MPa minimum yield allows 25-30% material weight reduction in bridge girders and structural columns while maintaining design safety factors
  • Excellent Notch Toughness: Fine-grain microalloyed structure provides superior resistance to brittle fracture at low temperatures compared to plain carbon steels
  • No Preheating Required: Low carbon equivalent (CE ≤0.45%) enables welding without preheat for most thicknesses, reducing fabrication time and energy costs
  • Weathering Option: Available as A572 Gr50 with Type 1 or improved atmospheric corrosion resistance (4x bare carbon steel) for unpainted bridge applications
  • Multi-Standard Acceptance: Directly equivalent to S355JR (EN), Q345B (GB), and SM490A (JIS) for global project specification compliance

Technical Specifications

GradeASTM A572 Grade 50 (Type 1)
StandardASTM A572/A572M, AASHTO M270 Grade 50
Thickness6mm - 150mm
Width1500mm - 2500mm
Yield Strength≥345 MPa (50 ksi)
Tensile Strength≥450 MPa (65 ksi)
Elongation≥18% (200mm gauge)

Target Markets & Applications

  • North America: Highway bridge girders (AASHTO qualified), parking garage structural frames, industrial building columns and beams
  • Middle East: Cable-stayed bridge main girders, petrochemical plant heavy pipe racks, LNG tank structural support frames
  • Southeast Asia: Power transmission line lattice towers (345-500kV), railway bridge spans, port container crane girders
  • Offshore platform topside primary steel, wind turbine tower flange plates, heavy mobile crane booms

Packaging & Delivery

Plates shot blasted to SA2.5 with shop primer available. Bundled by size and heat number with steel strapping on heavy-duty wooden or steel pallets. MTC EN 10204 3.1 with full traceability from melt to delivery. Custom flame/plasma cutting to size. FOB Shanghai/Tianjin, CIF to North America, Middle East, and Southeast Asia.

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2006

  • Total Annual:

    52000000-98000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

Shandong Heyixin Metal Material Co., Ltd. is located in Liaocheng City, Shandong Province, the beautiful Jiangbei Water City, adjacent to Tianjin and Qingdao, with convenient transportation. It has been focusing on the manufacture and distribution of metal products for many years. Our main products ... Shandong Heyixin Metal Material Co., Ltd. is located in Liaocheng City, Shandong Province, the beautiful Jiangbei Water City, adjacent to Tianjin and Qingdao, with convenient transportation. It has been focusing on the manufacture and distribution of metal products for many years. Our main products ...

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  • Shandong Heyixin Metal Materials Co., Ltd
  • Dadonggang, East Head of Liaohe Road, Liaocheng Economic and Technological Development Zone, Shandong Province
  • https://www.hrccoil.com/

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