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KS D 3752:2024 SM45C Steel: Specifications & Listings

KS D 3752:2024 SM45C: Korean standard medium carbon steel equivalent to JIS S45C and AISI 1045. Good strength, machinability, and moderate toughness.

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeKS D 3752:2024 SM45C
Standard KS D 3752:2024
ApplicationsShafts, keys, gears, bolts, couplings, general machine parts requiring moderate strength.
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
AISI 1045 AISI USA 3 listings, 0 RFQs →
SAE J403 1045 SAE J403:2014 USA 2 listings, 0 RFQs →
JIS G4051 S45C JIS G4051:2009 Japan 3 listings, 3 RFQs →
EN 10083-2 C45 EN 10083-2:2006 Europe 5 listings, 3 RFQs →
IS 1570 C45 IS 1570:1961 India 12 listings, 12 RFQs →
GB/T 699 45 GB/T 699:2015 China 2 listings, 0 RFQs →
GOST 1050 45 GOST 1050-2013 Russia 0 listings, 2 RFQs →
NF A35-552 XC45 NF A35-552:1986 France 0 listings, 2 RFQs →
UNI 7845 C45 UNI 7845:1978 Italy 2 listings, 0 RFQs →
SS 14 21 72 2172 SS 14 21 72 Sweden 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J403 1042 SAE J403:2001 Strong Match
SAE J403 1045 SAE J403:2001 Strong Match
SAE J403 1042 SAE J403:2009 Strong Match
SAE J403 1045 SAE J403:2009 Strong Match
SAE J403 1042 SAE J403:2014 Strong Match
SAE J403 1045 SAE J403:2014 Strong Match
BS 970 (Part 3) 080A42 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 3) 080A47 BS 970 (Part 3):1991 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 Mn Si P S
0.42-0.48 0.6-0.9 0.15-0.35 max 0.03 max 0.03
Mechanical Properties
Tensile Strength 690 MPa min (quenched & tempered)
Yield Strength 490 MPa min
Elongation 17% min
Hardness HB 201-269

Popular forms for this grade:

Round Bar (2)

Active KS D 3752:2024 SM45C Listings on M-EX (For Sale)

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KS D 3752:2024 SM45C Round Bar
2.600 MT
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KS D 3752:2024 SM45C Round Bar
3.000 MT
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