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Baja S45C & S50C

Carbon steel S45C & S50C Standard and Grade

 

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 4051-2009

 

Equivalents S45C
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,ASSAB 760, Thyssen 1191

Availability
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 S45C & S50C (%)

Type C Si Mn P S Cr Ni Cu
S45C 0.42-0.48 0.15-0.35 0.6-0.9 0.030 Max 0.035 Max
S50C 0.47-0.53 0.15-0.35 0.60-0.90 0.035 Max 0.035 Max 0.25 Max 0.25 Max 0.25 Max

 

Mechanical Properties S45C & S50C

Properties S45C S50C
Tensile Strength (MPa) 569 630 Min
Yield Strength (MPa) 343 375 Min
Hardness (HB) 160-220 241 Min
Elongation Ratio (%) 20 14 Min
Reduction of Area (Psi) 30 40 Min
Impact Merit AKV (J) 31 Min
Resilient value AKV(J/cm2) 39 Min
Young’s Modulus (GPa) 190-210 208
Poisson’s ratio 0.27-0.30
Density (kg/m3) 7700-8030 7840

 

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.

Steel Product: