SABS SABS 1431 Grade 300wa Sheets & Plates

Chhajed Alloys
2 min readSep 27, 2023

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Among the elements of 1431 Grade 350wa, carbon is hardening element. Manganese is the important austenite stabilizing elements which contribute to the formation of texture structure and increase the strength, firmness and wear resistance. Silicon helps to strengthen the material strength. Phosphorus in its element reduces the plasticity and toughness and appearing cold brittleness.

1431 Grade 350wa can significantly increase the strength of it, and improve the atmospheric corrosion stability. 1431 Gr 300wa can be heat treated at 1513°C — 1321°C, its application is for weldable structural steels. 1431 Gr 300w know for offering great strength though it is light in weight. It has high strength, low weight, ductility, durability and resistance to corrosion.

Equivalent Standard of SABS SABS 1431 Grade 300wa Sheets & Plates

American (USA) Standards

Europe (EN) Standards

Japan Standards

South Africa Standards

Yield Stress

Tensile Strength

Lower Strength (for workability and weldability) ASTM A283 gr. CEN 10025 S235JR
DIN 17100 RSt 37–2
BS 4360: gr. 40 A/B/C JIS G3101 SS 330 1431 gr. 240 W A/C 235 MPa min 340–470MpaNormal Strength (for general use)ASTM A36EN 10025 S275 JR
DIN 17100 RSt 44–2
BS 4360: gr. 43 A/B/CJIS G3101 SS4001431 gr. 300 W A/C 275 MPa min 430–550 MPa

Higher Strength Microalloyed Steel Plate

ASTM A572 gr. 50EN 10025 S355JR
DIN 17100 RRSt 52–2
BS 4360: gr. 50 A/B/C JIS G3101 SS490 1431 gr. 350 W A/C 355 MPa min 490–630 MPa Weathering Steel Plate (for improved corrosion resistance)

Other Standards

COR-TEN/ A

345 MPa min 480 MPa min

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