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A Guide to Carbon Steel Grades

Carbon steel is a widely used material that is vital to many industries due to its unique properties.
Some of the most common types of carbon steel include low-carbon steel, medium-carbon steel, high-carbon steel, ultra-high carbon steel.
Mild steel has less than 0.25 wt.% carbon and cannot be hardened by heat treatment to form martensite.
Medium carbon steel contains 0.25 to 0.60 wt.% carbon and 0.60 to 1.65 wt.% manganese.
High-carbon steel contains 0.60 to 1.25 wt.% carbon and 0.30 to 0.90 wt.% manganese.

Carbon Steel Grades Chart: The Most Popular Grades and Uses

Brief explanation of the importance of carbon steel in various industries.
Purpose of the chart: to provide a quick reference for common carbon steel grades and their applications.

Low-carbon steel Grades

GradeCarbon ContentCommon Uses
ASTM A360.26% – 0.29%Structural applications, general fabrication
SAE 10080.10% maxCold-formed components, automotive panels

Medium Carbon Steel Grades

GradeCarbon ContentCommon Uses
AISI 10450.43% – 0.50%Shafts, machinery parts, automotive components
EN 80.35% – 0.45%Gears, studs, bolts

High-Carbon Steel Grades

GradeCarbon ContentCommon Uses
AISI 10950.90% – 1.03%Springs, cutting tools, knives
EN 90.50% – 0.60%High-stress components, axles

Alloyed Carbon Steel Grades

GradeAlloying ElementsCommon Uses
AISI 4140Chromium, MolybdenumShafts, gears, automotive components
ASTM A572Vanadium, ColumbiumStructural steel in construction

Carbon Steel Grades For Sale From China Carbon Steel Suppliers

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