ASTM High yield strength steel plate A514 Grade K is used where a weldable, machinable, very high strength steel is required to save weight or meet ultimate strength requirements. Alloy steel plate A514 Gr K is normally used as a structural steel in building construction, cranes, or other large machines supporting high loads. Till now we can offer the maximum thickness for high strength steel plate A514 Gr.K reaching to 300 millimeters with heat treatment of quenched and tempered.

ASTM A514 Structural Steel Plate is a steel plate falling under the umbrella of Quenched and Tempered Alloy steel plates. These plates undergo the Q&T treatment under which they are heated and cooled off quickly. The minimum yield strength of 100 ksi makes ASTM A514 abrasion resistant steel plates enormously tough and use worthy. Compliant with the ASTM standards, these High Strength Alloy (HSA) steel plates stand for :

S = Structural Steel
514 = minimum yield strength
Q = quenched and tempered
A, B, C, E, F, H, J, K, M, P, Q, R, S, T= grades

Chemical composition & Mechanical property

Mechnical property for A514 Gr K High strength steel:

Thickness (mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
			50mm
T≤65	690	760-895	18
65<T	620	690-895	16

Chemical composition for A514 Gr K high strength steel (Heat Analysis Max%)

Main chemical elements composition of A514 Gr K
C	Si	Mn	P	S	B	Mo
0.10-0.20	0.15-0.30	1.10-1.50	0.035	0.035	0.001-0.005	0.45-0.55

Technical Requirements & Additional Services:

High tension test
Low temperature impacting test
Simulated post-welded heat treatment (PWHT)
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
When cooper steel is specified for A709 Gr36, the content Cu≥0.20%
Shot blasting and Painting,Cutting and welding as per end user’s demands
Heavy thicknesses (3-inches or thicker) available at most Leeco Steel distribution centers.
Available in standard grades: 36, 50 and 50W.
Available in high-performance grades: HPS 50W and HPS 70W.
Customers can specify A709 grades to meet Charpy test requirement for specific zones and climate.

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Always adhere to the tenet of high quality, low cost, fast pace and excellent service. Shandong Chengshun Metal Materials Co., Ltd. is willing to cooperate sincerely with friends from all walks of life at home and abroad for common development.

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Shandong Chengshun Metal Materials Co., Ltd. is located in Jinan City, Shandong Province. It is a comprehensive company dealing in high-quality steel products, with a superior geographical location and very convenient transportation. The company has a complete and scientific quality system, and has been recognized by the industry for its integrity, strength and product quality.

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Mainly exported to Europe, Southeast Asia, South Africa, the Middle East, Latin America and other countries and regions, the products are favored by Chinese and foreign users.

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