ASTM A1018 HSLAS Grade 50

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General Product Description

ASTM A1018 is a standard specification for hot-rolled, heavy-thickness coils of carbon steel, commercial steel, drawing steel, structural steel, high-strength low-alloy steel and ultra-high strength steel. The specification covers steel coils in thicknesses of 0.230 in. to 1.000 in. A1018 High-Strength Low-Alloy Steel (HSLAS) Grade 50 has a specified minimum yield strength of 50 ksi.

Available Dimensions

Grade
Grade
HSLAS Grade 50 Class 1
Product type
Coils
Thickness
(in)
0.230 - 0.625
Width
(in)
60 - 98

Width: Inquire for widths <60 in. down to 39.4 in.

Mechanical Properties

Tensile testing is performed in the transverse direction.

Grade
Grade
HSLAS Grade 50 Class 1
Thickness
(in)
0.230 - 0.625
Yield strength
(min ksi)
50
Tensile strength
(min ksi)
65
Elongation in 2"
(min %)
20
Elongation in 8"
(min %)
16

Chemical Composition

(Heat analysis, wt. %.)

Grade
Grade
HSLAS Grade 50 Class 1
C
(max %)
0.23
Mn
(max %)
1.50
P
(max %)
0.04
S
(max %)
0.04
Ti 1)
(min %)
0.005
V 1)
(min %)
0.005
Cb 1)
(min %)
0.005
Ni 2)
(max %)
0.40
Mo 2)
(max %)
0.12
Cu 2)
(max %)
0.40
Cr 2)
(max %)
0.30

1) One or more of Cb, V, and Ti may be added. When added the min for that element applies, if not added then there is no minimum requirement.

2) Production only at “Limits B” for Cu, Ni, Cr, Mo.