1/4" Carbon Steel Plate

CSN / Usiminas Quality and Traceability Certification. A 1/4" ASTM A36 carbon steel plate(6.35 mm) is ahot rolled thick platedeveloped for structural and industrial applications requiring superior mechanical strength, formability, and weldability. Produced in accordance with the standardsASTM A36 e NBR 6650, is one of the most versatile thicknesses on the market, widely used in the manufacture of metal structures, machines and industrial equipment.

Technical characteristics of 1/4" A36 Carbon Steel Plate

With nominal thickness of6.35 mm, thethick plate A36It has excellent tensile and impact resistance, while maintaining excellent workability for cutting, bending, calendering, and welding. Its manufacturing processhot rollingensures a uniform finish and homogeneous internal structure, ideal for mechanical and structural applications.

Mechanical and chemical properties

• Rules:ASTM A36 / NBR 6650
• Nominal thickness:1/4" (6.35 mm)
• Yield strength (Fy):≥ 250 MPa (≈ 36 KSI)
• Tensile strength (Fu): 400 – 550 MPa (≈ 58–80 KSI)
• 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

Advantages of ASTM A36 Sheet

• High mechanical strength:ideal for medium and large structural and industrial applications.
• Excellent weldability:compatible with all major industrial welding processes (MIG, TIG, submerged arc, stick electrode).
• Good conformability:allows bending, cutting, trimming and calendering without loss of integrity.
• Versatility of use:suitable for indoor and outdoor environments, and can be galvanized or painted.
• Certified origin:supply with full traceability ofCSN e Usiminas.

Applications of 1/4" A36 Carbon Steel Plate

A 1/4" A36 carbon steel plateIt is widely used in industry and metal construction due to its combination of strength, malleability and competitive cost:

• Metal and prefabricated structures
• Construction of bridges, walkways and platforms
• Manufacture of tanks, silos and reservoirs
• Agricultural and mining equipment
• Automotive parts and railway components
• Naval and offshore structures
• Industrial machines and support bases
• Wind power towers and structural supports

Improvements and industrial processes

A Purchasecarries out the technical supply ofA36 sheetswith high-precision industrial processing, according to the needs of each project:

• CNC cutting (plasma, oxyfuel and waterjet)
• Bending, calendering and technical chamfering
• Rewinding and squaring
• Machining and preparation for assembly
• Dimensional control with quality report

Quality control and certification

AllASTM A36 platesprovided byPurchasefollow strict quality and inspection standards as perASTM A6 e NBR 6650Each batch is accompanied by quality certificates issued by the mills, ensuring complete traceability, chemical stability, and mechanical performance in accordance with standards.

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 choose Compraço

• National specialist inASTM A36 heavy and structural plates;
• Certification and full traceabilityCSN / Usiminas;
• Complete, tailor-made industrial improvements;
• Technical quality control in all processes;
• National service with efficient logistics and specialized technical support.

1/4" ASTM A36 Carbon Steel Plate (6.35 mm)— high-performance hot-rolled structural steel, ideal for industrial and construction applications.Purchaseprovides certified, custom-made and ready-to-use plates throughout the country.