Q195 Carbon Steel Tube/Pipe
Q195 Carbon Steel Tube/Pipe is a tubular product adhering to the Chinese national standard (GB/T 700) for general structural steel. The "Q" stands for Yield Strength, and "195" indicates a guaranteed minimum yield strength of 195 MPa (for wall thicknesses ≤16 mm). Due to its very low carbon content (similar to 10# steel), this pipe possesses excellent cold formability, high ductility, and superb weldability. While it offers the lowest strength among the Q-series structural steels, its ease of fabrication is a major advantage. Q195 Tube/Pipe is widely used for low-pressure fluid pipelines, non-critical structural applications, thin-walled tubing, and components requiring extensive shaping or bending in construction and general manufacturing.
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- Commodity name: Q195 Carbon Steel Tube/Pipe
Q195 Carbon Steel Tube/Pipe is a tubular product adhering to the Chinese national standard (GB/T 700) for general structural steel. The "Q" stands for Yield Strength, and "195" indicates a guaranteed minimum yield strength of 195 MPa (for wall thicknesses ≤16 mm). Due to its very low carbon content (similar to 10# steel), this pipe possesses excellent cold formability, high ductility, and superb weldability. While it offers the lowest strength among the Q-series structural steels, its ease of fabrication is a major advantage. Q195 Tube/Pipe is widely used for low-pressure fluid pipelines, non-critical structural applications, thin-walled tubing, and components requiring extensive shaping or bending in construction and general manufacturing.
Q195 Carbon Steel Tube/Pipe Description
Applications
Furniture & Fixtures General Structural Tubing Fencing & Railing Agricultural Equipment Simple Fluid Conveyance Construction (Non-Load Bearing) Display Racks Automotive Exhaust Machinery Casings Water & Gas Piping (Low-Pressure) Product Parameters
Product Name Q195 Carbon Steel Tube / Pipe Type Seamless Tube/Pipe, Welded Tube/Pipe Outer Diameter (OD) 10mm - 1000mm (Typical range) Wall Thickness (WT) 1.0mm - 25mm (Customizable) Length 6m, 12m, or Random Length Standard GB/T 700 (Structural Steel) Surface Black Painted, Oiled, Galvanized Scope of Application Non-critical structural components, scaffolding, fencing, low-pressure fluid and gas conveyance, greenhouses, and components requiring extensive cold bending or flaring. Certificate ISO, SGS, BV, LR, CCS, etc. Production Technology Hot Rolled/Cold Drawn (Seamless); ERW/LSAW/SSAW (Welded) End Finish Plain End, Threaded Approximate grade comparison table
Standard System UNS GB/T (China) EN (Approx.) SAE/AISI (Approx.) JIS (Approx.) W. Nr. (German) Grade (Approx.) K01900 Q195 (Common Structural Steel) S185 (1.0035) 1010 (Lower Carbon) STKMA St33 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Composition (wt%) ≤0.12 0.20 - 0.50 ≤0.30 ≤0.045 ≤0.050 Mechanical Properties
Property Standard Requirement (GB/T) Yield Strength (ReH) (MPa) (Thickness ≤ 16mm) ≥195 Tensile Strength (Rm) (MPa) 315 - 430 Elongation A5(%) ≥33 Bending Test Passes Cold Bending (180° Bend) 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 -
Q195 Carbon Steel Tube/Pipe - Stock Warehouse
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Q195 Carbon Steel Tube/Pipe - Product Inspection
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Q195 Carbon Steel Tube/Pipe - Product Measurement
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Q195 Carbon Steel Tube/Pipe- Product Packaging
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