Atmospheric Corrosion Resistant ASTM A588 Sheets, Plates, Coils
ASTM A588 is a high strength low-alloy structural steel specification with improved atmospheric corrosion resistance for structural steel shapes such as angles, channel and beams, as well as steel plate and bars. The A588 specification is intended primarily for use in welded bridges and other structures where savings in weight or added durability is important along with the longer life cycle due to its corrosion resistant properties.
The atmospheric corrosion resistance of A588 is substantially better than that of carbon steels such as A36 and A572-50 with or without copper addition. When properly exposed to the atmosphere, A588 is suitable for many applications in the unpainted condition.
ASTM A588 has a 50ksi minimum yield strength and a 70ksi minimum tensile strength.
ASTM A588 is a High Strength Low Alloy Steel that is used in general plate applications when the plate will be riveted, bolted, or welded. ASTM A588 is a Copper bearing steel that offers a minimum yield in the range of 42 KSI to 50 KSI, (depending upon thickness, see table), and has approximately two to four times the corrosion resistance of carbon steel without copper. ASTM A588 plates are used whenever a cost savings from a weight reduction can be gained or when there are concerns about atmospheric corrosion. Charpy V-Notch Tests available
ASTM A588 covers high strength, low-alloy structural steel shapes, plates, and bars with improved atmospheric corrosion resistance that is intended for riveted, bolted, or welded construction. When properly exposed to the atmosphere, this steel is suitable for many applications in the bare/unpainted condition.
Mechanical Requirements
This abridged table shows only the mechanical requirements for bars 4” and under. The complete table including shapes and plates can be found in the ASTM standard at www.astm.org
| Tensile, min, ksi |
70 |
| Yield, min, ksi |
50 |
| Elongation, min % in 8” |
18 |
| Elongation, min % in 2” |
21 |
Chemical Requirements
| Element % |
Grade A |
Grade B |
Grade C |
| Carbon |
0.19 max |
0.20 max |
0.17 max |
| Manganese |
0.80 – 1.25 |
0.75 – 1.35 |
0.50 – 1.20 |
| Phosphorus |
0.04 max |
0.04 max |
0.04 max |
| Sulfur |
0.05 max |
0.05 max |
0.05 max |
| Silicon |
0.30 – 0.65 |
0.15 – 0.50 |
0.25 – 0.50 |
| Nickel |
0.40 max |
0.50 max |
0.40 max |
| Chromium |
0.40 – 0.65 |
0.40 – 0.70 |
0.40 – 0.70 |
| Molybdenum |
- |
- |
0.10 max |
| Copper |
0.25 – 0.40 |
0.20 – 0.40 |
0.30 – 0.50 |
| Vanadium |
0.02 – 0.10 |
0.01 – 0.10 |
- |
| Columbium |
- |
- |
0.005 – 0.05 |
We are Stockholder & Distributors of CORTEN-A, CORTEN-B, S355JOWP, S355JOWP+N, S355J2WP, S355J2WP+N, S355JOW, S355JOW+N, S355J2W, S355J2W+N, IRSM41-97, IRS-M41, IRSM-41, JIS G3125 SPA-H, JIS G3125 SPA-C, ASTM A242, ASTM A588, ASTM A242 CORROSION RESISTANT / WEATHER RESISTANT STEEL SHEET, PLATE, COIL COLD ROLLED & HOT ROLLED, ASTM A423, ASTM A847 WELDED ERW SEAMLESS TUBES, PIPES, ROUND, SQUARE, RECTANGULAR
CORROSION RESISTANT AND WEATHER RESISTANT STEEL CAN BE ALSO SUPPLIED ACCORDING TO FOLLOWING STANDARD & SPECIFICATIONS :
COR-TEN® A, COR-TEN®A, COR-TEN A, CORTEN-A, CORTEN A - Sheet, Plate, Coils
COR-TEN® B, COR-TEN®B, COR-TEN B, CORTEN-B, CORTEN B - Sheet, Plate, Coils
ASTM A588 Grade A, ASTM A 588 Grade-A, ASTM A-588 Grade A - Sheet, Plate, Coils
ASTM A588 Grade B, ASTM A 588 Grade-B, ASTM A-588 Grade B - Sheet, Plate, Coils
ASTM A588 Grade C, ASTM A 588 Grade-C, ASTM A-588 Grade C - Sheet, Plate, Coils
ASTM A242 Type 1, ASTM A242 Type-1, ASTM A-242 Type 1 - Sheet, Plate, Coils
S355JOWP EN 10025-5, S355JOWP EN10025-5, S355 JOWP EN-10025-5 - Sheet, Plate, Coils
S355JOWP+N EN 10025-5, S355JOWP+N EN10025-5, S355 JOWP+N EN-10025-5 - Sheet, Plate, Coils
S355J2W EN 10025-5, S355J2W EN10025-5, S355 J2W EN-10025-5 - Sheet, Plate, Coils
S355J2W+N EN 10025-5, S355J2W+N EN10025-5, S355 J2W+N EN-10025-5 - Sheet, Plate, Coils
S355J2G1W EN 10155, S355J2G1W EN10155, S355 J2G1W EN-10155 - Sheet, Plate, Coils
S355K2G1W EN 10155, S355K2G1W EN10155, S355 K2G1W EN-10155 - Sheet, Plate, Coils
S355J2G2W EN 10155, S355J2G2W EN10155, S355 J2G2W EN-10155 - Sheet, Plate, Coils
S355K2G2W EN 10155, S355J2G2W EN10155, S355 K2G2W EN-10155 - Sheet, Plate, Coils
SAILCOR IRSM41, IRSM-41, IRS-M41, IRS-M41, IRS M41-97 FOR RAILWAY WAGON & CONTAINER - Sheet, Plate, Coils
JIS G3125 SPA-H, JIS G3125-SPAH, JIS:G3125-SPA-H, JIS-G3125 Grade SPA-H, G3125-SPAH - Sheet, Plate, Coils
JIS G3125 SPA-C, JIS G3125-SPAC, JIS:G3125-SPA-C, JIS-G3125 Grade SPA-C, G3125-SPAC - Sheet, Plate, Coils
Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN 10204 3.1 / DIN 50049 3.1 / ISO 10474 3.1 Mill Test Certificate, NACE MR-0103 / NACE MR-0175 / ISO 15156, CE Marked, European Pressure Equipment Directive PED-97/23/EC, AD-2000-WO, ASME Boiler & Pressure Vessel Code Sec.II Part A Ed. 2008, API 6A (American Petroleum Institute), with 3.2 certificate duly Certified & Approved by LRS (Lloyd's Register), GL (Germanischer Lloyd), BV (Bureau Veritas), DNV (Det Norske Veritas), ABS (American Bureau of Shipping), SGS, TUV, RINA, IRS, NORSOK Approved Standard M-630, M-650 Rev.3
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