1.3/4" Thick Carbon Steel Plate

A 1.3/4" ASTM A36 carbon steel plate(44.45 mm) is ahot rolled thick plate, widely used in structural, industrial and heavy manufacturing projects. Produced according to standardsASTM A36 e NBR 6650, matcheshigh strength, ductility and excellent weldability, being suitable for tanks, pressure vessels, metal bases, bridge structures, and mechanical and civil engineering components. All materials are supplied withcertification and complete traceability of the CSN and Usiminas plants.

Technical characteristics of 1.3/4" A36 Carbon Steel Plate

With nominal thickness of44.45 mm, the A36 sheet is manufactured bycontrolled hot rolling, ensuring a homogeneous ferritic-pearlitic structure, dimensional stability, and excellent surface finish. Its versatility allows for applications ranging from cutting and bending to use in high-load equipment and robust metal structures.

Mechanical properties and chemical composition

• Standard:ASTM A36 / NBR 6650
• Nominal thickness:1.3/4" (44.45 mm)
• Yield strength (Fy):≥ 250 MPa
• Tensile strength (Fu):400 – 550 MPa
• Minimum stretch:20%
• Modulus of elasticity:200 GPa
• Density:7.85 g/cm³
• Typical chemical composition (%): C ≤ 0.26 | Mn 0.60–1.20 | Si ≤ 0.40 | P ≤ 0.04 | S ≤ 0.05

Main advantages of A36 structural steel

• High mechanical strength:supports high loads and stresses in structural and industrial applications.
• Superior ductility:allows stretching without breaking, ideal for bending and forming processes.
• Excellent weldability:compatible with all major processes — MIG, TIG, electric arc and stick electrode.
• Ease of machining:excellent performance in thermal and mechanical cuts, with minimal deformation.
• Guaranteed durability:high wear resistance and direct certification of plantsCSN e Usiminas.

Applications of 1.3/4" A36 Carbon Steel Plate

A 1.3/4” A36 thick plateIt is widely applied in industrial segments that require structural performance and reliability under load:

• Tanks and pressure vessels
• Offshore platforms and structures
• Metal bases and machine supports
• Bridges, walkways and metal civil works
• Mining and heavy transport equipment
• Structures for wind, hydroelectric and petrochemical energy
• Industrial chassis and foundation components

Customized processing and supply

A Purchaseoffers the supply of ASTM A36 sheets with a thickness of 44.45 mm cut to size, including the following industrial processes:

• CNC cutting (plasma, oxyfuel and waterjet)
• Bending, calendering and technical chamfering
• Refining and precision machining
• Reports and dimensional control with full traceability

Certification and quality control

AllASTM A36 platesare provided withchemical and mechanical certificates of originof the plantsCSN e Usiminas, ensuring compliance with standardsASTM A6 e NBR 6650. The inspection process ensures high dimensional accuracy and homogeneous quality across the entire surface.

International standards and equivalences

• Brazil: NBR 6650 / NBR 11888 / NBR 5915
• United States:ASTM A36
• Europe:EN 10025 S275JR
• Germany:DIN 17100 St 37-2
• Japan:JIS SS400

Why buy from Compraço

• Distributor specializing in A36 structural thick plates with national stock;
• Direct partnership withCSN, Usiminas, Gerdau e ArcelorMittal;
• Industrial technical support and customized supply;
• Fast delivery and full traceability of origin;
• Best value for money and specialized commercial support.

Search 1.3/4" ASTM A36 (44.45 mm) thick carbon steel platewith certified quality and prompt delivery?Talk toPurchase— national reference inhot rolled structural steels.