Q235-A Carbon Steel Coil/Strip
Q235-A Carbon Steel Coil/Strip is a rolled thin-gauge product adhering to the Chinese national standard (GB/T 700) for general structural carbon steel. The "235" indicates a guaranteed minimum yield strength of 235 MPa. The "-A" grade signifies the lowest quality level, allowing for less stringent composition and testing. This steel offers good weldability, plasticity, and moderate strength. It is widely used for manufacturing general structural parts, stamped components, and tubing where basic mechanical properties and ease of cold forming are prioritized.
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- Commodity name: Q235-A Carbon Steel Coil/Strip
Q235-A Carbon Steel Coil/Strip is a rolled thin-gauge product adhering to the Chinese national standard (GB/T 700) for general structural carbon steel. The "235" indicates a guaranteed minimum yield strength of 235 MPa. The "-A" grade signifies the lowest quality level, allowing for less stringent composition and testing. This steel offers good weldability, plasticity, and moderate strength. It is widely used for manufacturing general structural parts, stamped components, and tubing where basic mechanical properties and ease of cold forming are prioritized.
Q235-A Carbon Steel Coil/Strip Description
Applications
Tube & Pipe Manufacturing Structural Fabrication Automotive Components Industrial Buildings Container Manufacturing General Engineering Machinery Casings Railway Components Material Handling Construction (Non-Plate) Product Parameters
Product Name Q235-A Carbon Steel Coil/Strip Type Coil, Strip, Slit Edge, Structural Steel Thickness 1.5mm - 20mm (Typical range for coil/strip) Length Coil weight up to 30 MT (Tonnes) Width 600mm - 2000mm (Standard widths, customizable slitting) Standard GB/T 700 (Equivalent to ASTM A36, JIS SS400, DIN S235JRG2) Surface Black (Hot Rolled), Pickled & Oiled (P&O), Shot Blasting Scope of Application General structural use, non-critical pipe production, general engineering, machinery casing, and applications where good weldability and low cost are prioritized. Certificate ISO, SGS, BV, LR, CCS, etc. Production Technology Hot Rolling (HR) Edge Processing Mill Edge, Slit Edge Approximate grade comparison table
Standard System UNS GB/T (China) EN (Approx.) SAE/AISI (Approx.) JIS (Approx.) W. Nr. (German) Grade (Approx.) K02502 Q235A (Common Structural Steel) S235JR (1.0038) A36 SS400 St37-2 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Composition (wt%) ≤0.22 ≤0.30 - 0.70 ≤0.35 ≤0.045 ≤0.050 Mechanical Properties
Property Standard Requirement (GB/T) Yield Strength (ReH) (MPa) (Thickness ≤16mm) ≥235 Tensile Strength (Rm) (MPa) 370 - 500 Elongation A5(%) ≥ge 26 Impact Toughness No requirement guaranteed (Grade A) Physical Performance
Property Density (g/cm3) Modulus of Elasticity (GPa) Mean Coeff. of Thermal Expansion (10−6/deg C) (20-100 deg C) Thermal Conductivity (W/m.K) (20 deg C) Value (Approx.) ~7.85 ~200 ~11.5 ~50 -
Q235-A Carbon Steel Coil/Strip - Stock Warehouse
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Q235-A Carbon Steel Coil/Strip - Product Inspection
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Q235-A Carbon Steel Coil/Strip - Product Measurement
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Q235-A Carbon Steel Coil/Strip- Product Packaging
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