Steel S45C

Carbon steel S45C Standard and Grade


S45C is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalised. Supplied as square bar, or round bar or flat. They are excelling in weldability & machinability , and they can be subjected to various heat treatments. Based on JIS G 4051-2009


ST60 DIN 17100, CK45 DIN 17200, S45C JIS GG051, CF45, CQ45,ASTM A29 , ASTM A510 , ASTM A519 , ASTM A576 , ASTM A682, SAE J403 , SAE J412 , SAE J414,AISI 1045, AISI 1046, EN-8 / BS 970 080M40,

Round Bar: Dia. 3.2 – 250mm standar L=6M
Plat (S50C): Thk. 6 – 8mm Size 4Ft x 8 Ft
Flat: 10~90*205~305mm or Square bar
Square Bar: 8 x 8mm – 25 x 25mm


Chemical Composition (%)
Carbon (C) 0.42% – 0.48%
Silicon (Si) 0.15% – 0.35%
Manganese (Mn) 0.6% – 0.9%
Phosphorus (P) 0.030% Max
Sulphur (S) 0.035% Max

Mechanical Properties
Density (kg/m3): 7700-8030
Young’s Modulus (GPa): 190-210
Tensile Strength (Mpa): 569 (Standard) 686 (Quenching, Tempering)
Yield Strength (Mpa): 343 (Standard) 490 (Quenching, Tempering)
Poisson’s ratio: 0.27-0.30

Brinell Hardness (HB) 160-220 (Annealed)


Heat Treatment
The following temperature ranges are applicable for the respective heat treatment operations.
Full Annealing: 800 – 850°C
Normalising: 840 – 880°C
Hardening: 820 – 860°C
Quenching medium: Water or Oil
Tempering: 550 – 660°C

Melting Point
Melting point of S45C is ~1520 Degree Celsius

Standard punch head, special punch head and thread rolling tool requiring high precision, long service and abrasion resistance.Various machining tools, e. G. Lathe bit, milling cutter, drill bit, screw tap, round saw and other metal machining tools and wood machining tools.Also suitable for manufacture of forming tools, e. G. Cold extrusion head, extrusion die, punch dies of long service life, and plastic molds of high precision and long service life.

Steel Product:

10 thoughts on “Steel S45C

  1. Donny

    Dear Sales,

    Mohon dapat diberikan penawaran harga untuk Round Bar carbon steel S45C
    > Diameter 20 mm – 1 batang
    > Diameter 25 mm – 1 batang

    Terima kasih


  2. edi rustandi

    berapa harga besi As S45C dan SS400
    Dia.20, 24, 30, 32, 36
    kami home industri pembuat Anchor Bolt.
    demikian disampaikan.
    Edi Rustandi

  3. aziz

    Mohon penawaran harga
    1. Round Bar S45C diameter 320 mm
    2. Kruup 7225 plate tebal 120 mm
    3. AISI 340 plate tebal 80 mm

    Terima kasih


  4. Dede Sukandar

    Dear Sale Beyond St
    Sya,minta penawaran harga untuk plate JIS S45C per lembar
    Panjang 6000 mm, Lebar 25 mm, Tebal 6 mm
    Untuk keperluan home industri.



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