ASTM A36
A36 is one of the most common carbon steel plate
grades.
Mechanical Properties:
Tensile: 58 to 80 KSI
Yield: 36 KSI minimum
Elongation: 18% minimum in 8”
21% minimum in 2” (for plate 24” and
wider)
ASTM A36 MN
A36 with manganese controlled from .80 to 1.20.
Used for storage tanks in cold environments.
ASTM A572
A high strength low alloy steel plate used in a
variety of structural applications. It is produced
in grades 42, 50, 60, 65 representing the yield
strength.
Mechanical Properties: A 572 GR 42
Tensile: 60 KSI minimum
Yield: 42 KSI minimum
Elongation: 18% minimum in 8”
22% minimum in 2” (for plate 24” and
wider)
Mechanical Properties: A 572 GR 50
Tensile: 75 KSI minimum
Yield: 50 KSI minimum
Elongation: 16% minimum in 18”
15% minimum in 15” (for plate 24” and
wider)
Mechanical Properties: A 572 GR 60
Tensile: 75 KSI minimum
Yield: 60 KSI minimum
Elongation: 16% minimum in 8”
15% minimum in 2” (for plate 24” and
wider)
ASTM A588
A high strength low alloy steel plate used in structural
applications such as buildings and bridges. It provides
atmospheric corrosion resistance and longer life
in applications where exposure to the elements will
be a factor.
Mechanical Properties: A 588
Tensile: Under 4” thick – 70 KSI minimum
Yield: Under 4” thick – 50 KSI minimum
Elongation: 16% minimum in 8”
19% minimum in 2” (for plate 24” and
wider)
ASTM A633 GR E
A “normalized” high strength low alloy
steel plate for construction. This product is suited
for service at low ambient temperatures of -50oF
(-45oC) and higher when notch toughness better than
that expected in an “As-rolled” material
of a comparable strength level is desired.
Mechanical Properties:
Tensile: 2 ½” and under – 80
to 100 KSI
Over 2 ½” – 4” -- 80 to
100 KSI
Over 4” – 6” 75 to 95 KSI
Yield: 2 ½” and under 60 KSI minimum
Over 2 ½” – 4” 60 KSI minimum
Over 4” – 6” 55 KSI minimum
Elongation: 18% minimum in 8”
23% minimum in 2”
For plates wider than 24”, the elongation
requirement is
reduced by two percentage points.
ASTM A656 GR 80
A hot-rolled structural steel, high strength low-alloy
plate with improved formability for use in truck
frames, brackets, crane booms, rail cars and similar
applications.
Mechanical Properties:
Tensile: 90 KSI minimum
Yield: 80 KSI minimum
Elongation: 12% in 8”
15% in 2”
For plates wider than 24”, the elongation
requirement is
reduced by three percentage points.
AISI 1040 and AISI 1045
In the AISI specifications, the capital letter
(digits) prefixes are used to indicate the manufacturing
process, in this case, carbon steel. The following
2 digits represent the chemical composition.
1040
Carbon: .37 to .44
Manganese: .60 to .90
Phosphorus: .040
Silicon: .050
1045
Carbon: .43 to .50
Manganese: .60 to .90
Phosphorus: .040
Silicon: .050
AR 200
This product is a lower grade of wear resistant
steel plate, which is referred to as AR 200 or AR
235, depending on the manufacturer. This product
can be used in light abrasive applications and is
not intended for structural use.
Mechanical Properties:
Tensile: 90 KSI typical
Yield: 70 KSI typical
Brinell Hardness: 180 minimum/235 nominal
AR 360 / AR 400
This grade is quenched and tempered through hardened
wear resistant grades and used for high impact and
abrasion. Both have a minimum Brinell of 360, and
are not intended for structural use.
Mechanical Properties:
Tensile: 180 – 200 KSI typical
Yield: 140 KSI typical
Elongation: 14.8% in 8”
Brinell: 360 minimum / 400 nominal
ASTM A514
A quenched and tempered high strength steel used
in structural application where high strength and
low weight is critical.
Mechanical Properties:
Tensile: Up to 2 ½” -- 110 to 130 KSI
2 ½” – 6” -- 100 to 130
KSI
Yield: Up to 2 ½” -- 100 KSI minimum
2 ½” – 6” -- 90 KSI minimum
Elongation: Up to 2 ½” -- 18% in 2”
Over 2 ½”-- 6” 16% in 2”
Brinell Hardness: 235 – 293 is typical
But may not be recorded on the Mill Test Certificate
Grade B: Up to and including 1 ¼”
Grade H: Over 1 ¼” to 2” inclusive
Grade F: Over 2” to 2 ½” inclusive
Grade Q: Over 2 ½” to 6”
ASTM A36 / ABS GR A Certified
This product is produced to ASTM A36 specifications
at a mill approved by the American Bureau of Shipping.
The Mill Test Certificates must include the stamp
and signature of an ABS Agent.
A131 AH 36 / DH 36 / EH 36
These grades are used in the shipbuilding industry
for the construction of structural parts of ships,
barges and marine equipment. All grades are certified
by the American Bureau of Shipping (ABS).
Mechanical Properties:
Tensile: 70 to 90 KSI
Yield: 51 KSI minimum
Elongation: 17% minimum in 8”
20% minimum in 2”
Charpy Requirements: (LCVN)
AH 36: 25 ft/lbs @ 32oF
DH 36: 25 ft/lbs @ -4oF
EH 36: 25 ft/lbs @ -40oF
API 2H Grade 50
This product is regulated by the American Petroleum
Institute and was designed for use in offshore production
platforms for strength and material integrity. Due
to the stringent physical and chemical restrictions,
this product is also used in other marine and bridge
construction applications where “fracture
critical” and resistance to vibration and
torque are demanded.
Mechanical Properties:
Tensile: 70 to 90 KSI
Yield: 50 KSI minimum
Charpy Requirements: TCVN 30 ft/lbs average / 25
ft/lbs
Minimum @ -40oF
Supplements:
S. 1 Ultrasonic testing for SA 578 level II 100%
scan
S. 3 Frequency “P” per plate testing
to A20 requirements
S. 4 Through thickness tensile testing “Z”
direction per A770, 30% minimum
reduction of area
S. 5 Controlled sulphur to 0.006% maximum with inclusion
shape control
S. 12 Drop weight testing
ASTM 516 GR 70
A pressure vessel grade that is produced in grades
55, 60, 65 and 70, with the most common being Grade
70.
Grade 70
Mechanical Properties:
Tensile: 70 to 90 KSI
Yield: 38 KSI minimum
Elongation: 17% minimum in 8”
21% minimum in 2”
ASTM A285 GR C
This grade is used to manufacture storage tanks
and low pressure, temperature controlled vessels.
Mechanical Properties:
Tensile: 55 to 75 KSI
Yield: 30 KSI minimum
Elongation: 23% minimum in 8”
27% in 2”
