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Standard Comporision:

Country German USA Japan China Russia British
Standard DIN/Wr. ASTM/AISI JIS GB GOST BS
Grade C20 1020 S20C 20# * *

Chemical Composition:

Grade C Si Mn P S
1020 0.18-0.23 0.15-0.35 0.60-0.90 ≤0.040 ≤0.050
S20C 0.18-0.23 0.15-0.35 0.60-0.90 ≤0.030 ≤0.030
20# 0.18-0.23 0.15-0.35 0.60-0.90 ≤0.030 ≤0.030

Available Size:

Shape: Available Status Available size(mm)
Plate Y 10-120X2000-2300X3000-5800
Flat bar N *
Sheet Y 1-8X1000-1500
Block Y 250-500X610-1500X2500-5800
Round bar Y Dia8-3000X2500-5800
Hexagonal bar N *

Delivery Condition:

Hot rolled/Forged+Black surface/Peeled/Rough turned


Delivery time:

Warehouse regular stock sizes:3-7 days
Mill manufacture sizes:15-60 days


Brief introduction:

Steel C45 Round Bar is an unalloyed medium carbon steel, which is also a general carbon engineering steel. C45 is a medium strength steel with good machinability and excellent tensile properties. C45 round steel is generally supplied in the black hot rolled or occasionally in the normalised condition, with a typical tensile strength range 570 – 700 Mpa and Brinell hardness range 170 – 210 in either condition. It does not however respond satisfactorily to nitriding due to a lack of suitable alloying elements.


Application:

Quenched and subsequently tempered steel for C45 steel grade round bar, steel plate, flat and square is used for axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods, screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc.


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