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UNI 7845:1978 C45 Steel: Specifications & Listings

UNI 7845:1978 C45: UNI C45 is a medium carbon steel per Italian Standard UNI 7845, equivalent to EN C45E and DIN C45. It offers good tensile strength and moderate wear resistance, widely used for shafts, gears and general engineering components in Italian industry.

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeUNI 7845:1978 C45
Standard UNI 7845:1978
Applicationsshafts,axles,gears,studs,bolts,spindles,rollers,general engineering components
Most Active InWest (Maharashtra, Gujarat)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10083-2 C45E EN 10083-2:2006 Europe 2 listings, 0 RFQs →
EN 10083-2 C45 EN 10083-2:2006 Europe 5 listings, 3 RFQs →
AISI 1045 AISI USA 3 listings, 0 RFQs →
JIS G4051 S45C JIS G4051:2009 Japan 3 listings, 3 RFQs →
BS 970 EN8 BS 970:1955 UK 28 listings, 24 RFQs →
GOST 1050 45 GOST 1050-2013 Russia 0 listings, 2 RFQs →
IS 1570 C45 IS 1570:1961 India 12 listings, 12 RFQs →
KS D3752 SM45C KS D 3752:2024 Korea 2 listings, 0 RFQs →
NF A35-552 XC48 NF A35-552:1986 France 2 listings, 0 RFQs →
GB/T 699 40 GB/T 699:2015 China 2 listings, 0 RFQs →
GB/T 699 45 GB/T 699:2015 China 2 listings, 0 RFQs →
BS 970 (Part 3) 080A47 BS 970 (Part 3):1991 UK No activity yet
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SS 14 21 72 2172 SS 14 21 72 Strong Match
BS 970 (Part 3) 080A47 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 080M46 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 3) 080M50 BS 970 (Part 3):1991 Strong Match
SAE J403 1045 SAE J403:2014 Strong Match
BS 970 (Part 1) 080H46 BS 970 (Part 1):1983 Strong Match
SAE J403 1045 SAE J403:2001 Strong Match
SAE J403 1045 SAE J403:2009 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S
0.42-0.50 0.15-0.40 0.50-0.80 <=0.045 <=0.045
Mechanical Properties
Tensile Strength 620-800 MPa
Yield Strength 340-490 MPa
Elongation 14-20 %
Hardness 179-235 HB
Typical Available Sizes
Round Bar 16-300 mm
Flat Bar 10-150 mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Round Bar (2)

Active UNI 7845:1978 C45 Listings on M-EX (For Sale)

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UNI 7845:1978 C45 Round Bar
14.100 MT
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UNI 7845:1978 C45 Round Bar
3.200 MT
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