PLATEsteelplate1

 

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”