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GB/T 699-2015 45 / GB/T 699 45 Steel - Specifications & Listings

GB/T 699-2015 45: 45 steel is a widely used medium carbon steel with balanced strength, toughness, and machinability. It can be induction hardened or quenched and tempered for enhanced surface properties.

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeGB/T 699-2015 45 / GB/T 699 45
StandardGB/T 699-2015
Description45 steel is a widely used medium carbon steel with balanced strength, toughness, and machinability. It can be induction hardened or quenched and tempered for enhanced surface properties.
ApplicationsUsed for shafts, gears, bolts, connecting rods, axles, and hydraulic components.
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Round Bar →
Balanced
Chemical Composition (%)
C Si Mn P S
0.42-0.50 0.17-0.37 0.50-0.80 0.035 max 0.035 max
Mechanical Properties
tensile_strength 600-800 MPa
yield_strength 355-540 MPa
elongation 12-18%
hardness 180-240 HB

Active GB/T 699-2015 45 / GB/T 699 45 Listings on M-EX (For Sale)

GB/T 699-2015 45 / GB/T 699 45 Round Bar
4.700 MT
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GB/T 699-2015 45 / GB/T 699 45 Round Bar
6.300 MT
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