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AISI 1055 Steel — Specifications & Listings

AISI

High-medium carbon steel, spring and tool applications

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeAISI 1055
StandardAISI
DescriptionHigh-medium carbon steel, spring and tool applications
ApplicationsSprings, hand tools, high strength wire
Equivalent / Similar Grades
Grade Standard Region
C55 DIN Germany
EN9 BS970 UK
S55C JIS Japan
Chemical Composition (%)
C Mn S P
0.50–0.60 0.60–0.90 ≤0.050 ≤0.040
Mechanical Properties
Tensile Strength 700–850 MPa
Yield Strength ≥490 MPa
Elongation ≥10%
Hardness 197–241 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.

Active AISI 1055 Listings on M-EX

AISI 1055 Round Bar
6.600 MT
View Listing
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