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Hot Rolled Plate

ASTM A-36 Hot Rolled Plate

A-36 is a structural quality carbon steel used for use in a variety of general construction applications including; bolted, riveted, or welded construction of bridges and buildings. Minimum yield point is engineered at 36,000 psi. In addition to greater strength than A-283, A-36 plates can be used to design structures and equipment lighter in weight with better weldability.

TYPICAL ANALYSIS*

AISI A-36

Up thru ¾

Over ¾

thru 1½

Over 1½

thru 2½

Over 2½

thru 4

Over 4

Carbon (C) max %

0.25

0.25

0.26

0.27

0.29

Manganese (Mn) %

-

.80/1.20

.85/1.20

.85/1.20

.85/1.20

Phosphorus (P) max %

.04

.04

.04

.04

.04

Sulphur (S) %

.05

.05

.05

.05

.05

Silicon (Si) %

.40 max

.40 max

.15/. 40

.15/.40

.15/. 40

Copper (Cu) min %
when copper steel
is specified

.20

.20

.20

.20

.20

TENSILE STRENGTH

58,000-80,000 psi

MIN. YIELD STRENGTH

36,000 psi (Over 8 32,000 psi)

ELONGATION IN 2

23%

REDUCTION IN AREA

119-159%

*For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to the maximum of 1.35%

C1020 Hot Rolled Plate

The higher carbon range of C1020 improves the machinability of thisgrade. Good formability and weldability are also characteristic.

TYPICAL ANALYSIS

AISI C1020

Carbon (C)

.18/. 23

Manganese (Mn)

.30/.60

Phosphorus (P)

.04 max

Sulphur (S)

.05 max

TENSILE STRENGTH

55,000 psi

YIELD STRENGTH

30,000 psi

ELONGATION IN 2

25%

REDUCTION IN AREA

50%

BRINELL HARDNESS

137

Hot Rolled Plate

C1045 Hot Rolled Plate

C1045 is silicon killed with a higher carbon content for greater strength. Strength can be improved in the lighter and medium thicknesses by heat treatment. Machinability is good, while forming and welding properties are limited.

TYPICAL ANALYSIS

AISI C1045

Carbon (C)

.43/.50

Manganese (Mn)

.60/.90

Phosphorus (P)

.04 max

Sulphur (S)

.05 max

TENSILE STRENGTH

82,000 psi

YIELD STRENGTH

45,000 psi

ELONGATION IN 2

16%

REDUCTION IN AREA

40%

BRINELL HARDNESS

163

C1008/1010 HRCQ

ASTM A-569

Hot rolled commercial quality steel is suitable for many applications where normal surface imperfections are not objectionable. Heat treatment and other processing operations must be properly performed so as to not detrimentally affect the properties of the steel. Commercial quality will meet the bend test requirements of ASTM A569.

TYPICAL ANALYSIS

AISI C1008/1010

Carbon (C)

.046/.070

Manganese (Mn)

.40 max

Phosphorus (P)

.015 max

Sulphur (S)

.012 max

Silicon (Si)

.040 max

Copper (Cu)

.120 max

Nickel (Ni)

.100 max

Chromium (Cr)

.100 max

Molybdenum (Mo)

.030 max

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