IS 1875:1992 Class 4 C45 / IS 1875 C45 Steel - Specifications & Listings

IS 1875:1992 Class 4 C45: Popular medium carbon steel grade with good strength, toughness and hardenability. Frequently supplied in normalized or quenched and tempered condition for engineering use.

Forms: Round Bar Flat Bar Category: Carbon Steel
Grade Details
GradeIS 1875:1992 Class 4 C45 / IS 1875 C45
StandardIS 1875:1992 Class 4
DescriptionPopular medium carbon steel grade with good strength, toughness and hardenability. Frequently supplied in normalized or quenched and tempered condition for engineering use.
Applicationsshafts, gears, studs, bolts, axles, rollers, machinery parts
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
AISI 1045 AISI USA 3 listings, 0 RFQs →
SAE 1045 SAE USA 2 listings, 0 RFQs →
C45 DIN Germany 3 listings, 0 RFQs →
XC45 NF France 0 listings, 2 RFQs →
S45C JIS Japan 3 listings, 3 RFQs →
080M46 BS970 UK 0 listings, 2 RFQs →
45 GB China 2 listings, 0 RFQs →
EN8 BS970 UK 27 listings, 23 RFQs →
GOST 1050 45 GOST 1050 Russia 0 listings, 2 RFQs →
NF A35-551 XC45 NF A35-551 France 0 listings, 2 RFQs →
Market Snapshot

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Daily refresh · 07 Aug 2026

See Full Price Gap →
7D Offer Price
▼ -2.3%
15D Offer Price
New
30D Offer Price
▼ -10.1%
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Balanced
Flat Bar →
Balanced
Chemical Composition (%)
C Mn Si S P
0.40-0.50 0.60-0.90 0.15-0.35 <=0.04 <=0.04
Mechanical Properties
tensile_strength 630-710 MPa
yield_strength >=347 MPa
elongation >=15%
hardness 170-229 HB
Typical Available Sizes
Round Bar 16-400 mm dia
Flat Bar 25-250 mm width
Sizes are indicative. Contact seller for exact availability.
Processing:

Active IS 1875:1992 Class 4 C45 / IS 1875 C45 Listings on M-EX (For Sale)

IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
3.900 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
5.200 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
6.200 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
5.500 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
4.000 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
0.800 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
3.600 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
6.200 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.100 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.100 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.100 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.500 MT
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Buyer RFQs for IS 1875:1992 Class 4 C45 / IS 1875 C45

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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
1.100 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
1.200 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
10.800 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
8.900 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.800 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
2.400 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
8.500 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
3.700 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
1.400 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
5.200 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
1.700 MT
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IS 1875:1992 Class 4 C45 / IS 1875 C45 Round Bar
1.700 MT
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