MS.50002 - HR High Strength Low Alloy (HSLA) Sheet Steel

HR High Strength Low Alloy (HSLA) sheet steel is a hot-rolled metal that combines high tensile strength with good formability, often used in automotive and construction due to its durability and cost-efficiency.

HSLA GRADE C Si Mn P S AI Ti Nb Nb+Ti+V
% Max % Max % Max % Max % Max % Max % Max % Max % Range
LAX210Y310T 0.10  0.50  0.700  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX240Y320T 0.10  0.50  0.700  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX270Y340T 0.12  0.50  1.000  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX300Y360T 0.12  0.50  1.300  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX340Y410T 0.12  0.50  1.500  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX380Y450T 0.12  0.60  1.500  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX420Y480T 0.12  0.60  1.600  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX500Y560T 0.15  0.60  1.700  0.030  0.025  0.015  0.150  0.090  0.01-0.22
LAX550Y620T 0.15  0.60  1.800  0.030  0.025  0.015  0.150  0.090  0.01-0.22

HSLA
HR Grade
YS Range
(MPa)
TS
(MPa)
min
A50%
Min
(NOTE 1)
A80%
Min
10%-20%
min
LAH210Y310T 210-300 310 35 33 0.15
LAH240Y320T 240-320 320 30 28 0.15
LAH270Y330T 270-350 330 27 25 0.15
LAH300Y370T 300-380 370 26 24 0.14
LAH340Y410T 340-420 410 24(23) 22 0.13
LAH380Y450T 380-460 450 22(21) 21 0.12
LAH420Y480T 420-520 480 22(20) 20 0.11
LAH500Y560T 500-600 560 20(18) 18 0.09
LAH550Y620T 550-690 620 18(16) 17 N/A

NOTE 1: Information between parentheses is for coated products.