ASTM A588 HSLA Steel Grade K, Thickness 125 to 200 mm (5-8 in.)

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ASTM A588 HSLA Steel Grade K, Thickness 125 to 200 mm (5-8 in.)
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel
Material Notes:	HSLA (High-strength low-alloy) steels are used for their higher strength and atmospheric corrosion resistance. They can be considered to be microalloyed steel and are designed for mechanical rather than compositional specs. ASTM A588 has atmospheric corrosion resistance quadruple that of carbon steel. Used in welded, bolted, or riveted structures, especially bridges and buildings in which its strength and durability is required.
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Physical Properties	Original Value	Comments

Density	7.75 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	>= 63000 psi	Varies with size and form
Tensile Strength, Yield	>= 42000 psi	Varies with size and form
Elongation at Break	>= 21 %	in 50 mm (2 in.); Varies with size and form
Modulus of Elasticity	205 GPa	Typical of steel
Poissons Ratio	0.28	Calculated
Shear Modulus	80.0 GPa	Typical of steel

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.17 %
Chromium, Cr	0.40 - 0.70 %
Copper, Cu	0.30 - 0.50 %
Iron, Fe	96.7 - 98.5 %	As Balance
Manganese, Mn	0.50 - 1.2 %
Molybdenum, Mo	<= 0.10 %
Niobium, Nb (Columbium, Cb)	0.0050 - 0.050 %
Phosphorus, P	<= 0.040 %
Silicon, Si	0.25 - 0.50 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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MSA588K2 / 14038

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