30# Carbon Steel Tube/Pipe
30# Carbon Steel Tube/Pipe is a tubular product made from low-to-medium carbon steel with a nominal carbon content of about 0.30%. This level of carbon achieves a favorable balance between strength and ductility, providing higher strength and hardness than very low-carbon steels while maintaining good weldability and formability. This pipe is often used in the normalized condition. 30# Tube/Pipe is commonly employed for structural components, shafts, axles, fittings, and piping for non-critical applications in general engineering, automotive, and construction industries where a blend of moderate strength, toughness, and ease of fabrication is necessary.
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- Commodity name: 30# Carbon Steel Tube/Pipe
30# Carbon Steel Tube/Pipe is a tubular product made from low-to-medium carbon steel with a nominal carbon content of about 0.30%. This level of carbon achieves a favorable balance between strength and ductility, providing higher strength and hardness than very low-carbon steels while maintaining good weldability and formability. This pipe is often used in the normalized condition. 30# Tube/Pipe is commonly employed for structural components, shafts, axles, fittings, and piping for non-critical applications in general engineering, automotive, and construction industries where a blend of moderate strength, toughness, and ease of fabrication is necessary.
30# Carbon Steel Tube/Pipe Description
Applications
Machinery Manufacturing General Structural Tubing Fluid Conveyance (Non-Critical) Automotive Tubing Hydraulic Systems Agricultural Equipment Heat Exchanger Tubing Construction (Support) Furniture & Fixtures Material Handling Product Parameters
Product Name 30# Carbon Steel Tube / Pipe Type Seamless Tube/Pipe, Precision Tube Outer Diameter (OD) 10mm - 400mm (Typical range) Wall Thickness (WT) 1mm - 50mm (Customizable) Length 5.8m, 6m, 11.8m, 12m, or Random Length Standard GB/T 699, ASTM A519 (for mechanical tubing) Surface Black, Oiled, Cold Drawn Bright Finish Scope of Application Manufacturing of medium-strength machine structural components, shafts, axles, forgings, and mechanical tubing used in automotive and industrial machinery. Suitable for simple heat treatments like normalizing. Certificate ISO, SGS, BV, TUV, etc. Production Technology Hot Rolled/Cold Drawn (Seamless) End Finish Plain End, Chamfered (Beveled) Approximate grade comparison table
Standard System UNS GB/T (China) EN (Approx.) SAE/AISI JIS (Approx.) W. Nr. (German) Grade (Approx.) G10300 30 (High Quality Carbon Steel) C30 (1.0501) 1030 S30C 1.0501 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Cr (Chromium) Ni (Nickel) Cu (Copper) Composition (wt%) 0.27 - 0.35 0.50 - 0.80 0.17 - 0.37 ≤0.035 ≤0.035 ≤0.25 ≤0.30 ≤0.25 Mechanical Properties
Tensile Strength (Rm) (MPa) Yield Strength (ReH) (MPa) Elongation A5 (%) Hardness (HB) ~450 - 600 ~280 - 380 ≥18 ~140 - 180 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 - 210 ~11.5 ~50 -
30# Carbon Steel Tube/Pipe - Stock Warehouse
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30# Carbon Steel Tube/Pipe - Product Inspection
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30# Carbon Steel Tube/Pipe - Product Measurement
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30# Carbon Steel Tube/Pipe- Product Packaging
Taigang Yilian
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Taigang Yilian has 10+ warehouses with ready stock. The annual supply capacity is approximately 10 million tons. It has 10 years of experience in large-scale project supply. The customer reorder rate reaches 86%. We ensure quality and quantity, provide material certificates, and will refund if the products are not qualified, so please be assured the purchase.
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