Q275 Carbon Steel Coil/Strip
Q275 Carbon Steel Coil/Strip is a rolled thin-gauge product adhering to the Chinese national standard (GB/T 700) for general structural steel. The "Q" stands for Yield Strength, and "275" indicates a guaranteed minimum yield strength of 275 MPa. This steel offers a good balance of moderate strength, good ductility, and excellent weldability, making it a reliable choice for cold forming. Q275 coil/strip is widely used for manufacturing structural tubing, cold-formed profiles, automotive components, and general fabricated parts in construction, machinery, and general engineering where a balance of strength and formability is needed.
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- Commodity name: Q275 Carbon Steel Coil/Strip
Q275 Carbon Steel Coil/Strip is a rolled thin-gauge product adhering to the Chinese national standard (GB/T 700) for general structural steel. The "Q" stands for Yield Strength, and "275" indicates a guaranteed minimum yield strength of 275 MPa. This steel offers a good balance of moderate strength, good ductility, and excellent weldability, making it a reliable choice for cold forming. Q275 coil/strip is widely used for manufacturing structural tubing, cold-formed profiles, automotive components, and general fabricated parts in construction, machinery, and general engineering where a balance of strength and formability is needed.
Q275 Carbon Steel Coil/Strip Description
Applications
Tube & Pipe Manufacturing Structural Components Railway Equipment Machinery Frames Material Handling Construction (Non-Plate) General Engineering Automotive Components Industrial Buildings Storage Tank Parts Product Parameters
Product Name Q275 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up to 30 MT (Tonnes) Width 600mm - 2000mm (Standard widths, customizable slitting) Standard GB/T 700 / GB/T 1591 (Superseded grades) Surface Black (Hot Rolled), Pickled & Oiled (P&O), Shot Blasting and Painting Scope of Application General structural fabrication, medium-strength components, welded structures, manufacturing of tubes and pipes, and machinery parts requiring moderate strength. Certificate ISO, SGS, BV, DNV, LR, 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.) K03007 (Low P/S) Q275 (Common Structural Steel) S275 (1.0044) A570 Gr. 40 SS400 (Higher) St44 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Composition (wt%) ≤0.30 ≤1.20 ≤0.50 ≤0.045 ≤0.045 Mechanical Properties
Property Standard Requirement (GB/T) Yield Strength (ReH) (MPa) (Thickness ≤16mm) ≥275 Tensile Strength (Rm) (MPa) (Thickness ≤16mm) 450 - 620 Elongation A5(%) ≥22 Impact Energy (J) (Optional) ≥20(at 0℃) 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 -
Q275 Carbon Steel Coil/Strip - Stock Warehouse
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Q275 Carbon Steel Coil/Strip - Product Inspection
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Q275 Carbon Steel Coil/Strip - Product Measurement
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Q275 Carbon Steel Coil/Strip- Product Packaging
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