ASTM A690 HSLA Steel, Thickness

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ASTM A690 HSLA Steel, Thickness < 100 mm (4 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 A690 is noted for corrosion resistance in salt water splash zones so is used in docks, seawalls, bulkheads and related uses.
Key Words:	UNS K12249
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³	Typical of ASTM Steel

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	>= 483 MPa	>= 70000 psi	Varies with size and form
Tensile Strength, Yield	>= 345 MPa	>= 50000 psi	Varies with size and form
Elongation at Break	>= 18 %	>= 18 %	in 200 mm (8 in.); Varies with size and form
Modulus of Elasticity	205 GPa	29700 ksi	Typical of steel
Poissons Ratio	0.28	0.28	Calculated
Shear Modulus	80.0 GPa	11600 ksi	Typical of steel
Bend Radius, Minimum	2.0 t	2.0 t	Longitudinal; Varies with size and form

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.22 %	<= 0.22 %
Copper, Cu	0.50 - 0.50 %	0.50 - 0.50 %
Iron, Fe	97.3 - 98.4 %	97.3 - 98.4 %	As Balance
Manganese, Mn	0.60 - 0.90 %	0.60 - 0.90 %
Nickel, Ni	0.40 - 0.75 %	0.40 - 0.75 %
Phosphorus, P	0.080 - 0.15 %	0.080 - 0.15 %
Silicon, Si	<= 0.10 %	<= 0.10 %
Sulfur, S	<= 0.050 %	<= 0.050 %

References for this datasheet.

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MSA690 / 14058

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