55# Carbon Steel Plate
55# Carbon Steel Plate is a medium-carbon steel characterized by a nominal carbon content of around 0.55%. This higher carbon level provides significantly increased strength and hardness compared to low-carbon steels, but with a corresponding reduction in ductility and weldability. This steel is typically used in the normalized or quenched and tempered condition to achieve optimal mechanical properties. 55# plate is often employed in applications that require good wear resistance and medium strength, such as railway track plates, gears, shafts, springs, and various machine parts in machinery and automotive industries where high surface hardness or strength is necessary.
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- Commodity name: 55# Carbon Steel Plate
55# Carbon Steel Plate is a medium-carbon steel characterized by a nominal carbon content of around 0.55%. This higher carbon level provides significantly increased strength and hardness compared to low-carbon steels, but with a corresponding reduction in ductility and weldability. This steel is typically used in the normalized or quenched and tempered condition to achieve optimal mechanical properties. 55# plate is often employed in applications that require good wear resistance and medium strength, such as railway track plates, gears, shafts, springs, and various machine parts in machinery and automotive industries where high surface hardness or strength is necessary.
55# Carbon Steel Plate Description
Applications
Machinery Manufacturing Tool & Die Making Automotive Components Railway Equipment Heavy Engineering Agricultural Machinery Wear Plates Structural Supports Fastener Production Spring Manufacturing Product Parameters
Product Name 55# Carbon Steel Plate Type Plate, Sheet Thickness 6mm - 150mm (Customizable) Length 3000mm, 5800mm, 6000mm, 9000mm, 12000mm, etc. (Customizable) Width 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, etc. (Customizable) Standard GB/T 699 (equivalent to AISI 1055, DIN C55, JIS S55C, etc.) Surface Clean, Black painted, Shot Blasting and Painting, Machining Scope of Application Primarily used for manufacturing parts requiring high strength and good wear resistance, such as: high-strength shafts, gears, heavy forgings, wheels, pins, and springs in general machinery. Certificate ISO, SGS, BV, LR, etc. Production Technology Hot Rolling, Forging Edge Processing Shearing, Cutting, Beveling Approximate grade comparison table
Standard System UNS GB/T (China) EN (Approx.) SAE/AISI JIS (Approx.) W. Nr. (German) Grade (Approx.) G10550 55 (Carbon structural steel) C55 (1.0535) 1055 S55C 1.0535 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Cr (Chromium) Ni (Nickel) Cu (Copper) Composition (wt%) 0.52 - 0.60 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 (Rp0.2) (MPa) Elongation A5 (%) Hardness (HB) ≥650 ≥380 ≥13 ~190 - 230 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 -
55# Carbon Steel Plate - Stock Warehouse
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55# Carbon Steel Plate - Product Inspection
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55# Carbon Steel Plate - Product Measurement
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55# Carbon Steel Plate- Product Packaging
Taigang Yilian
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