AISI 1055 Steel: Specifications & Listings

AISI 1055: High-medium carbon steel, spring and tool applications

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeAISI 1055
Standard AISI
ApplicationsSprings, hand tools, high strength wire
Most Active InWest (Maharashtra, Gujarat)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10083-2 C55 EN 10083-2:2006 Europe 3 listings, 0 RFQs →
BS 970 EN9 BS 970:1955 UK 3 listings, 0 RFQs →
JIS G4051 S55C JIS G4051:2009 Japan 3 listings, 0 RFQs →
AISI 1060 AISI USA 0 listings, 2 RFQs →
SAE J403 1055 SAE J403:2014 USA 2 listings, 0 RFQs →
SAE J403 1050 SAE J403:2001 USA No activity yet
SAE J403 1053 SAE J403:2001 USA No activity yet
SAE J403 1065 SAE J403:2001 USA No activity yet
SAE J403 1552 SAE J403:2001 USA No activity yet
SAE J403 1049 SAE J403:2014 USA No activity yet
BS 970 (Part 1) 060A57 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 080A57 BS 970 (Part 1):1983 UK No activity yet
Market Snapshot
See Full Price Gap →
7D Offer Price
● 0.0%
15D Offer Price
● 0.0%
30D Offer Price
▼ -0.5%
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Deep Supply
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
SAE J403 1055 SAE J403:2014 Strong Match
SAE J403 1055 SAE J403:2001 Strong Match
SAE J403 1055 SAE J403:2009 Strong Match
BS 970 (Part 1) 070M55 BS 970 (Part 1):1983 Strong Match
SAE J403 1050 SAE J403:2014 Strong Match
IS 1570 (Part 2/Sec 1) 55C4 IS 1570 (Part 2/Sec 1):1979 Strong Match
IS 1570 (Part 2/Sec 1) 50C8 IS 1570 (Part 2/Sec 1):1979 Strong Match
SAE J403 1060 SAE J403:2014 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 S P
0.50–0.60 0.60–0.90 ≤0.050 ≤0.030
Mechanical Properties
Condition Hot Rolled
Tensile Strength 700-750 MPa
Yield Strength 380-450 MPa
Elongation 12-16%
Hardness 197-220 HB
Typical Available Sizes
Round Bar 10mm–150mm dia
Wire Rod Coil 5.5mm–25mm dia
Flat Bar 16×5mm–150×30mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Round Bar (3)

Active AISI 1055 Listings on M-EX (For Sale)

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AISI 1055 Round Bar
6.700 MT
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AISI 1055 Round Bar
7.800 MT
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AISI 1055 Round Bar
8.200 MT
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Buyer RFQs for AISI 1055

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