Grade: ASTM A 588 Grade KProduct: High-strength low alloy structural steel, up to 345MPa minimum yield strength, with Atmospheric corrosion resistance steel sha
Grade: ASTM A 588 Grade K
Product: High-strength low alloy structural steel, up to 345MPa minimum yield strength, with Atmospheric corrosion resistance steel shape, steel plate, steel sheet, steel bars
A 588 Grade K steel applicable thickness: Under 200mm
A 588 Grade K steel applicable delivery condition: (S3)Simulated Post-Weld heat treatment of mechanical test coupons, (S5) Charpy V-Notch impact test, (S6) Drop weight test, (S8) Ultrasonic Examination, (S15) Reduction of Area Measurement, (S18) Maximum Tensile strength, (S30) Charpy V-Notch impact test for structural shapes,(S32) Single Heat Bundles.
A588 Grade K Weathering steel chemical composition
|
Grades |
C max |
Mn |
P max |
S max |
Si |
Ni max |
Cr |
Cu |
V |
Mo |
Nb |
|
A588GR.K |
0.20 |
0.75-1.35 |
0.04 |
0.05 |
0.15-0.50 |
0.50 |
0.40-0.70 |
0.20-0.40 |
0.01-0.10 |
A588 Grade K Weathering resistant steel tensile property request
| ASTM A588 Grade K |
Plates and bars |
Structural shapes |
||
|
＜100mm |
≥100-125mm |
＞125-200 |
||
|
Tensile strength min MPa |
485 |
460 |
435 |
485 |
|
Yield strength min MPa |
345 |
315 |
290 |
345 |
|
Elongation min |
21 |
21 |
21 |
21 |
ASTM A588 Grade K application: ASTM A588 Grade K Corten steel widely used in air preheater, economizer, railway carriage, containers production, bridge building , construction and so on.
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