ASTM – 588

ASTM A588 is another HSLA steel which is used to manufacture steel channels – C & U shapes. It has better comprehensive properties than A572 for its small amount of alloy elements – copper, chromium and nickel. The copper content itself resists corrosion effectively. Therefore, A588 steel channel section has wider applications than mild carbon steel channel like A36. It is the premium alternative for ship & car.

A588 steel channel to be exported to south korea.

Applications:

  • Bridges, buildings, cars, equipment.
  • Stair stringers, wall framing.
  • Warehouse, factory work shop.
  • Ceiling channel.

Product description:

  • Item: ASTM A588 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)

Steel grade

Carbon, max, %

Manganese, %

Phosphorus, max, %

Sulfur, max, %

Silicon, %

Nickel, max, %

Chromium, %

Copper

Vanadium, %

A588 grade A

0.19

0.80 – 1.25

0.04

0.05

0.30 – 0.65

0.40

0.40 – 0.65

0.25 – 0.40

0.02 – 0.10

 

Mechanical property

Steel grade

Styles

Tensile strength, ksi [MPa]

Yield point, min, ksi [MPa]

Elongation in 8 in. [200 mm], min, %

Elongation in 2 in. [50 mm], min, %

A588 grade A

Steel channels

70 [485]

50 [345]

18

21

 

ASTM A588 steel u channel sizes – UPN

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 A588 steel c channel sizes – UPE

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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