JIS G4051 S45C Steel - Specifications, Equivalents & Listings

Forms: Round Bar Category: Carbon Steel

Grade Details

Grade	JIS G4051:2009 S45C / JIS G4051 S45C
Standard	JIS G4051:2009
Description	Japanese medium carbon structural steel
Applications	Shafts, gears, bolts, machine parts, keys

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
C45	DIN	Germany	12 listings, 12 RFQs →
EN8	BS970	UK	27 listings, 23 RFQs →
AISI 1045	SAE	USA	3 listings, 0 RFQs →
IS 1570 C45	IS 1875	India	12 listings, 12 RFQs →
GOST 1050 45	GOST 1050	Russia	0 listings, 2 RFQs →
GB/T 700 Q235B	GB/T 700	China	0 listings, 2 RFQs →
NF A35-551 XC45	NF A35-551	France	0 listings, 2 RFQs →
KS SM45C	KS D3752	Korea	2 listings, 0 RFQs →

Market Snapshot

Buyers bidding higher

Daily refresh · 07 Aug 2026

7D Offer Price

▼ -1.3%

15D Offer Price

▼ -1.3%

30D Offer Price

▼ -1.4%

Round Bar →

Balanced

Chemical Composition (%)

C	Si	Mn	S	P
0.42-0.48	0.15-0.35	0.60-0.90	<=0.035	<=0.030

Mechanical Properties

Typical Available Sizes

Sizes are indicative. Contact seller for exact availability.

Surface:

Processing: