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ASTM A572 High Strength Steel Channel Section

ASTM A572 is a high-strength low-alloy (HSLA) steel with alloy content of columbium and vanadium, which strengthens the steel and provides higher yield point strength than ASTM A36. A572 HSLA steel channel is ideal for the applications where needs higher strength for it reduces the thickness and weight.

ASTM A572 HSLA steel channels

A572 steel channel - UPN dimensions

ASTM A572 steel sections have three grades - Grade 42, 50 and 55. You can find the specific chemical content & mechanical properties in the tables below.

Product description:

  • Item: ASTM A572-50 steel channel.
  • Dimensions: UPN & UPE.
  • Web width: 80 - 200 mm.
  • Web thickness: 6 - 8.5 mm (UPN) & 4.5 - 5.2 mm (UPE).
  • Flange width: 45 - 75 mm (UPN) & 40 - 76 mm (UPE).
  • Flange thickness: 8 - 11.5 mm (UPN) & 7.4 - 9.0 mm (UPE).
  • Length: 3 m, 6 m, or as required.
  • Surface treatment: non-treatment, galvanised or primer.
  • Note: special channel sizes are available on order.
Chemical composition (heat analysis)
Item Grade Carbon, max, % Manganese, max, % Silicon, max, % Phosphorus, max, % Sulfur, max, %
A572 steel angle 42 0.21 1.35 0.40 0.04 0.05
50 0.23 1.35 0.40 0.04 0.05
55 0.25 1.35 0.40 0.04 0.05
Mechanical properties
Item Grade Yield point, min, ksi [MPa] Tensile strength, min, ksi [MPa]
A572 steel angle 42 42 290] 60 [415]
50 50 [345] 65 [450]
55 55 [380] 70 [485]
ASTM A572-50 UPN channel steel dimensions
Item Depth (mm) Flange width (mm) Web thickness (mm) Flange thickness (mm) Weight (kg/m)
UPN80 80 45 6 8 8.64
UPN100 100 50 6 8.5 10.6
UPN120 120 55 7 9 13.4
UPN140 140 60 7 10 16
UPN160 160 65 7.5 10.5 18.8
UPN180 180 70 8 11 22
UPN200 200 75 8.5 11.5 25.3
ASTM A572-50 UPE channel steel dimensions
Item Depth (mm) Flange width (mm) Web thickness (mm) Flange thickness (mm) Weight (kg/m)
UPE80 80 40 4.5 7.4 7.05
UPE100 100 46 4.5 7.6 8.59
UPE120 120 52 4.8 7.8 10.4
UPE140 140 58 4.9 8.1 12.3
UPE160 160 64 5 8.4 14.2
UPE180 180 70 5.1 8.7 16.3
UPE200 200 76 5.2 9 18.4
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Steel channels used as staircase for its effectiveness & inexpensive cost

ASTM A572 Steel channel section supporting a work platform.

A572 high strength low alloy steel channel used as supporting components of factory work platform

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