1730/1740 Steel Thyssenkrupp

Carbon steel S45C Standard and Grade: JIS S45C DIN1.1151
Description

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
4051-2009S45C Equivalents

DIN C45, CK45, 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
Size
Round Bar: Φ 3.2~200mm

Flat: 10~90*205~305mm or
Square bar

S45C Chemical Composition (%)

C Si Mn P S
0.42–0.48 0.15–0.35 0.60–0.90 0.030 Max 0.035 Max

S45C Mechanical PropertiesDensity (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

S45C Hardness

Brinell Hardness (HB) 160-220 (Annealed)

Heat Treatment

The following temperature ranges are applicable for the respective heat treatment operations.Full Annealing: 800 – 850°CNormalising: 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

Applications:

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.