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Medium Carbon Steel Chemical Composition, Grade Chart, Tables and Documents

A medium carbon steel with content of approximately 0.3% - 0.6% carbon is harder and more stable in most applications over a low carbon steel but still ductile to some extent. Lcpw of medium carbon steel is frequently accompanied by other elements such as manganese, phosphorus, sulfur and silicon to improve strength, rigidity and other characteristics. Carbon steel comes into many diameters of medium carbon grades, for examples AISI 1045, AISI 4140, and AISI 4340, each with various compositions and applications. The charts and tables provide a voluminous information on the dimensional properties, heat treatment, and area of use of various medium carbon steel grades. Medium carbon steel documents as material specifications and standards not only indicate the necessities and the exact attributes which the medium carbon steel material for other industrial uses has to possess, but also, reveal other justifiable details.

Medium Carbon Steel Chemical Composition Table

Common medium carbon steel is carbon-contented within the range from 0.3% to 0.6%, which is developed with a balance of both hardness and ductility as a principle. The chemical composition of it which is medium carbon steel contains other components helps to make it more strong and sharp. Metal alloying elements may include manganese, silicon, and numerical traces of other elements like sulfur and phosphorus. These further additions of carbon produce results that are contrary to what might be expected in terms of strength, toughness, and the machinability. Reference tables containing data from industry standards or material data sheets help manufacturing in details. These tables provide information which is key in determining desired mechanical properties, in order to achieve perfect results.

Medium Carbon Steel Composition Table
Chemical Element Percentage composition
Carbon (C) 0.3%&-0.6%
Manganese (Mn) 0.6%&-1.65%
Sulfur (S) 0.05
Phosphorus (P) 0.04
Chromium (Cr) 0.80&-1.10
Copper (Cu) 0.08
Vanadium (V) 0.51
Nickel (Ni) 0.15
Molybdenum (Mo) 1.61
Iron Balance

Comparison of properties and applications of different grades

Type AISI/ASTM name Carbon content (wt.%) Tensile strength (MPa) Yield strength (MPa) Ductility (% elongation in 50 mm) Applications
Low 1010 0.10 325 180 28 Automobile panels, nails, wire
Low 1020 0.20 380 205 25 Pipes, structural steel, sheet steel
Low A36 0.29 400 220 23 Structural
Low A516 Grade 70 0.31 485 260 21 Low-temperature pressure vessels
Medium 1030 0.27 &- 0.34 460 325 12 Machinery parts, gears, shifts, axles, bolts
Medium 1040 0.37 &- 0.44 620 415 25 Crankshafts, couplings, cold headed parts.
High 1080 0.75 &- 0.88 924 440 12 Music wire
High 1095 0.90 &- 1.04 665 380 10 Springs, cutting tools

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