STRUCTURAL CARBON STEEL PLATE / 

HIGH STRENGTH LOW ALLOY STEEL PLATE

ASTM A36

STRUCTURAL CARBON STEEL PLATE

DESCRIPTION

ASTM A36 is a structural quality carbon steel for use in welded, bolted or riveted construction of bridges and buildings, and for general structural purposes. 

Minimum yield strength of 36 ksi (250 MPa) is required to meet the requirements of A36. 

ASTM A36 plate is used in a variety of applications which include, but not limited to; railroad cars, trucks, agriculture equipment, trailers, construction equipment, buildings and bridges.

MECHANICAL PROPERTIES

  • YP (MPa), min. 36 (250)
  • Tensile (MPa) 58-80 (400-550)
  • Elongation in 2” (50mm), min. % 23
  • Carbon max % (thickness dependent) .25-.29

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 / 120 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

CSA - 44W / 300W

ASTM A572 Gr. 42

STRUCTURAL CARBON STEEL PLATE


DESCRIPTION

A structural steel plate grade specified within G40.21 of the Canadian Standards Association (CSA). This grade is utilized in general fabrication and construction. 

It is also referred to as 300W, which is its metric designation. This material is also available as Charpy tested when referenced with a "T", such as 44WT / 300WT. 

When Charpy tests are required, the category will be indicated. The values of these categories are outlined below in mechanical properties.

MECHANICAL PROPERTIES

  • Tensile: 65 to 85 ksi
  • Yield: 44 ksi min
  • Elongation: 20% min in 8” 23% min in 2”
  • CAT 1 (32°F): 15 ft/lbs
  • CAT 2 (0°F): 15 ft/lbs
  • CAT 3 (-20°F): 15 ft/lbs
  • CAT 4 (-50°F): 15 ft/lbs
  • CAT 5: (Specified by Purchaser)

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 / 120 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

ASTM A572

HIGH STRENGTH LOW ALLOY

STEEL PLATE


DESCRIPTION

A high-strength low-alloy steel plate that is utilized in a variety of structural applications. 

This specification is produced in Grades 42, 50, 55, 60 & 65, the grades representing the yield strength. 

Plates that are 4” and thicker are made to a 42 KSI yield, although material can be modified to reach the 50 KSI min yield.

MECHANICAL PROPERTIES

A572 Gr. 50:
  • Tensile: 65 ksi min
  • Yield: 50 ksi min
  • Elongation: 16% min in 8" 19% min in 2" (for plates wider than 24")
A572 Gr. 55:
  • Tensile: 70 ksi min
  • Yield: 55 ksi min
  • Elongation: 15% min in 8" 18% min in 2" (for plates wider than 24")
A572 Gr. 60:
  • Tensile: 75 ksi min
  • Yield: 60 ksi min
  • Elongation: 13% min in 8" 15% min in 2" (for plates wider than 24")
A572 Gr. 65:
  • Tensile: 80 ksi min 
  • Yield: 65 ksi min
  • Elongation: 12% min in 8" 14% min in 2" (for plates wider than 24")

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 / 120 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

CSA - 50WT / 350WT

ASTM A709-17 Gr. 50

HIGH STRENGTH LOW ALLOY

STEEL PLATE

DESCRIPTION

A high-strength, low-alloy steel plate grade specified within G40.21 of the Canadian Standards Association (CSA). 

This grade is utilized in a variety of structural applications. It is also referred to as 350W, which is its metric designation. This material is also available as Charpy tested when referenced with a "T", such as 50WT / 350WT. 

When Charpy tests are required, the category will be indicated. The values of these categories are outlined below in mechanical properties.

MECHANICAL PROPERTIES

  • Tensile: 65 to 80 ksi
  • Yield: 50 ksi min to 65 ksi
  • Elongation: 19% min in 8” 22% min in 2”
  • CAT 1 (32°F): 20 ft/lbs
  • CAT 2 (0°F): 20 ft/lbs
  • CAT 3 (-20°F): 20 ft/lbs
  • CAT 4 (-50°F): 20 ft/lbs
  • CAT 5: (Specified by Purchaser)

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 / 120 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

CSA - 50AT / 350AT

ASTM 709-50W /

ASTM A588 Gr. B

ATMOSPHERIC CORROSION RESISTANT STEEL PLATE

DESCRIPTION

An atmospheric corrosion-resistant weldable notch-tough steel plate grade specified within G40.21 of the Canadian Standards Association (CSA). This plate is utilized primarily in structural applications such as bridges and buildings. When properly exposed to the atmosphere, this steel plate can be utilized in its bare condition (unpainted). It is also referred to as 350A, which is its metric designation. This material is also available as Charpy tested when referenced with a "T", such as 50AT / 350AT. When Charpy tests are required, the category will be indicated. The values of these categories are outlined below in mechanical properties.

MECHANICAL PROPERTIES

  • Tensile: 65 to 95 ksi
  • Yield: 50 ksi min
  • Elongation: 19% min in 8" 22% min in 2"
  • CAT 1 (32°F): 20 ft/lbs
  • CAT 2 (0°F): 20 ft/lbs
  • CAT 3 (-20°F): 20 ft/lbs
  • CAT 4 (-50°F): 20 ft/lbs
  • CAT 5: (Specified by Purchaser)

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 / 120 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

ASTM A656 Gr . 80

HIGH STRENGTH LOW ALLOY STEEL PLATE

DESCRIPTION

This specification covers three types and five strength grades of high-strength low-alloy, hot-rolled structural steel plate for use in truck frames, brackets, crane booms, rail cars, and similar applications. Steels that conform to this specification offer improved formability. These steels are normally furnished in the as-rolled condition.

MECHANICAL PROPERTIES

  • YP (MPa), min.: 80 (550)
  • Tensile (MPa), min.: 90 (620), 110 (760)
  • Elongation 2" (50mm), min. %: 15, 15

COMMON STOCK SIZES

WIDTH (inches) 
48 / 60 / 72 / 96 

LENGTH (inches) 
96 / 120 / 240 / 288 / 360 / 480

THEORETICAL WEIGHT PER PLATE

1 1/2" 2" 2 1/2" 3" 3 1/2" 4" 4 1/2" 5" 6" THICKNESS 3/16" 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 1/4"
61.26 81.68 102.1 122.52 142.93 163.35 183.77 204.12 245.03 POUNDS PER SQ. FT. 7.66 10.21 12.76 15.32 20.42 25.53 30.63 35.74 40.84 51.05
1960 2614 3267 3921 4574 5227 5881 6534 7841 48 x 96 245 327 408 490 653 817 960 1144 1307 1634
2450 3267 4064 4901 5717 6534 7351 8168 9801 48 x 120 306 408 510 613 817 1021 1225 1430 1634 2042
2940 3921 4901 5881 6861 7841 8821 9801 11761 48 x 144 368 491 612 735 980 1225 1470 1716 1960 2450
4901 6534 8168 9802 11434 13068 14702 16335 19602 48 x 240 613 617 1021 1226 1634 2042 2450 2859 3267 4084
2450 3267 4084 4901 5717 6534 7351 8168 9801 60 x 96 306 408 510 613 817 1021 1225 1430 1634 2042
3063 4084 5105 6126 7147 8168 9189 10210 12252 60 x 120 383 511 638 766 1021 1277 1532 1787 2042 2553
3676 4901 6126 7351 8576 9801 11026 12251 14702 60 x 144 460 613 766 919 1225 1532 1838 2144 2450 3063
6126 8168 10210 12252 14293 16335 16377 20419 24503 60 x 240 765 1021 1276 1532 2042 2553 3063 3574 4084 5105
2940 3921 4901 5881 6851 7841 6821 9801 11761 72 x 96 368 490 613 735 980 1226 1470 1715 1960 2450
3676 4901 6126 7351 8576 9801 11026 12251 14701 72 x 120 460 613 766 919 1225 1532 1838 2144 2450 3063
4411 5881 7351 8821 10291 11761 13231 14702 17642 72 x 144 552 735 919 1103 1470 1838 2205 2573 2940 3676
7351 9802 12252 14702 17152 19602 22052 24503 29404 72 x 240 919 1225 1531 1638 2450 3064 3676 4289 4901 6126
8821 11762 14702 17643 20582 23522 26463 29403 35284 72 x 288 1104 1470 1838 2206 2940 3676 4410 5146 5880 7351
3431 4574 5718 6861 8004 9148 10291 11435 13722 84 x 96 429 572 715 858 1143 1430 1715 2001 2267 2859
4288 5718 7147 8576 10005 11435 12864 14293 17152 84 x 120 537 715 894 1072 1429 1788 2144 2501 2658 3574
5146 6861 8576 10292 12006 13721 15437 17152 20583 84 x 144 644 858 1072 1267 1715 2144 2573 3002 3430 4288
8576 11435 14294 17153 20010 22869 25728 28587 34304 84 x 240 1072 1429 1786 2144 2858 3575 4289 5004 5718 7147
10292 13722 17153 20583 24012 27443 30873 34304 41165 84 x 288 1288 1715 2144 2574 3430 4289 5145 6004 6860 8576
3921 5227 6534 7841 9148 10454 11761 13068 15682 96 x 96 490 654 816 980 1306 1634 1960 2288 2614 3267
4901 6534 8168 9802 11434 13068 14702 16335 19602 96 x 120 613 817 1021 1226 1634 2042 2450 2859 3267 4084
5881 7841 9802 11762 13721 15682 17642 19602 23523 96 x 144 735 980 1225 1471 1960 2451 2940 3431 3921 4901
9802 13069 16336 19603 22869 26136 29403 32670 39205 96 x 240 1226 1634 2042 2451 3267 4085 4901 5718 6534 8168
11762 15683 19603 23524 27443 31363 35284 39204 47046 96 x 288 1471 1960 2450 2941 3921 4902 5881 6862 7841 9802

IMPERIAL = .2836 LBS PER CUBIC INCH

METRIC = 7.85 KG/M2 PER MILLIMETER THICK