Carbon Steel Profiles
ASTM A588 High Strength HSLA Steel Angle
ASTM A588 High Strength HSLA Steel Angle

Available Carbon Steel Grades:ASTM A588,For more material grades, Please click

Payment Term:TT,L/C,etc

Price Term:Ex-Work,FOB,CNF,CFR,etc

MOQ:1Ton

Delivery Time:Usually 7-30days, or upon negotiation

If you have any questions, please feel free to contact us.

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PRODUCT DESCRIPTION
ASTM A588 is a kind of HSLA steel (high-strength, low-alloy) covering small amount of alloy elements - copper, chromium & nickel. These alloy elements effectively improve A588 properties and enlarge its applications. First, alloy composition adds its yield point strength to 50ksi and tensile strength to 70ksi. Second, with copper content, A588 has good atmosphere corrosive resistance and work for a longer time. Give its excellent comprehensive properties, A588 steel angle iron is extensively used in bridge, building and other structural applications.A588 structural steel angle has equal or unequal legs. You can find the details in the table below. If your record is for special steel angle size, email us your customized size when your order is equal or bigger than our minimum quantity.


A588 steel angle description:


  • Steel grade: A588.
  • Specification: ASTM A588.
  • Technology: hot rolled.
  • Type: equal & unequal.
  • Length: 6 m, 9 m, 12 m or per your request.
  • Equal angle:
    • Size: 20 × 20 mm - 200 × 200 mm.
    • Thickness: 3 to 22 mm.
    • Length: 6 m, 9 m, 12 m or per your request.
  • Unequal angle:
    • Size: 20 × 30 to 90 mm × 250 mm.
    • Thickness: 3 to 15 mm.
    • Length: 6 m, 9 m, 12 m or per your request.

Note: Special angle steel sizes are available if your order quantity surpasses the minimum.


ASTM A588 steel angle benefits & features:


  • Containing small amount of chromium, copper & nickel.
  • Lower weight/strength ratio.
  • Resistant to atmosphere corrosion.
  • Ideal for high strength and weather-exposed applications.
  • Alloy amount can be ordered for unique purpose.
  • Cost less in the long term.


What is the difference between A588 to carbon steel A36?


  • ASTM A588 is a high strength low-alloy structural steel, while A36 is just carbon steel.
  • Due to the difference in chemical content, A588 angle steel has more applications than mild A36 angle bar.
  • A588 angle iron ideal for corrosive environments without further surface treatment which reduces cost effectively.
  • A588 angle steel bar with higher yield strength point than A36, which allows for light weight for the same condition.






Chemical composition (heat analysis)
Steel gradeCarbon, max, %Manganese, %Phosphorus, max, %Sulfur, max, %Silicon, %Nickel, max,  %Chromium, %CopperVanadium, %
A588 Grade A0.190.80 - 1.250.040.050.30 - 0.650.40.40 - 0.650.25 - 0.400.02 - 0.10


Mechanical property:
Steel gradeStylesTensile strength, ksi [MPa]Yield point, min, ksi [MPa]Elongation in 8 in. [200 mm], min, %Elongation in 2 in. [50 mm], min, %
A588 Grade ASteel angles70 [485]50 [345]1821



ASTM A588 Equal Angle Steel Size:


A588-50 equal angle steel specification
ItemLeg 1 (mm)Leg 2 (mm)Thickness (mm)Weight (kg/m)ItemLeg 1 (mm)Leg 2 (mm)Thickness (mm)Weight (kg/m)
1202030.88945808078.525
2202041.14546808089.658
3252531.1244780801011.874
4252541.45948909068.35
5303031.37349909079.656
6303041.786509090810.946
7353531.5785190901013.476
8353542.0725290901215.94
9353552.5515310010069.5296
10404031.85254100100710.83
11404042.42255100100810.276
12404051.976561001001015.12
13444432.002571001001217.898
14444442.638581001001420.611
15383831.719591001001623.257
16383842.26160110110711.928
17484832.1961110110813.532
18484842.889621101101016.69
19484853.572631101101219.782
20505032.332641101101422.809
21505043.05965125125815.504
22505053.77661251251019.133
23505064.465671251251222.692
24565632.624681251251426.193
25565643.446691401401021.488
26565654.251701401401225.522
27565666.568711401401429.49
28636343.907721401401633.393
29636354.822731601601024.724
30636365.721741601601229.391
31636387.469751601601433.987
326363109.151761601601638.518
33707044.372771801801233.159
34707055.397781801801435.383
35707066.406791801801643.452
36707077.398801801801848.634
37707088.373812002001442.894
38757555.818822002001648.56
39757566.905832002001854.501
40757577.976842002002060.056
41757589.03852002002271.168
4275751011.089Length = 6 - 12 meters
43808056.211
44808067.376


ASTM A588 Unequal Angle Steel Size:


A588-50 unequal angle steel specification
Item no.Leg 1 (mm)Leg 2 (mm)Thickness (mm)Weight (kg/m)Item no.Leg 1 (mm)Leg 2 (mm)Thickness (mm)Weight (kg/m)
1302031.14451005066.98
2302041.49461005089.16
3402031.3847100501011.3
4402031.8481006578.96
5402541.974910065810.2
6453042.35010065911.3
7453052.8251100651012.5
8503053.02521007579.52
9503063.585310075810.8
10504042.775410075912.1
11504053.4255100751013.3
12504064.0356100751114.6
13603053.4357100751215.8
14603064.065812080812.4
15603074.6859120801015.3
16604053.8360120801218.2
17604064.546113065812.1
18604075.2462130651014.9
19655054.4363130651217.7
20655065.266413075812.7
21655076.0865130751015.7
22655086.8866130751218.6
23755054.8367130901017
24755065.7568130901220.1
25755076.656915075915.7
26755087.5370150751017.4
27755098.471150751118.9
28755555.0472150751220.6
29755576.9373150901018.6
30756566.4974150901222
31756588.4875150901527.1
3275651010.5761501001019.3
33804065.51771501001223
34804087.21781501001426.6
35806066.4979160801018.5
36806077.580160801222
37806088.4881160801425.4
38806566.73822001001023.4
39806588.82832001001227.8
4080651010.9842001001534.4
41906567.2285250901026.6
42906578.32Material: ASTM A588 Length = 6 - 12 meters
43906589.44
4490651011.7


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