Steel plate St52-3 is most normal used among all kinds of low alloy steel grades.It is equal to Chinese steel grade Q345B,low alloy high strength steel plate. Low alloy steel plate St52-3 is used to manufacture the plants of factory ,the common constructure and construction machinery and equipments.The additional technical requirements for structural steel plate St52-3 shall be Ultrasonic examination,heat treatment,low temperature impacting,shot blasting and painting for prevent rusty when transport.

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Mechnical property for St52-3 Low alloy steel

Thickness (mm)
St52-3	≤ 16	> 16 ≤ 40	> 40 ≤ 63	> 63 ≤ 80	> 80
Yield strength (≥Mpa)	355	345	335	325	315
	< 3	≥ 3 ≤ 100			> 100
Tensile strength (Mpa)	510-680	490-630			490-630

Chemical composition for St52-3 Low alloy steel (Product Analysis Max%)

Main chemical elements composition of St52-3
Thickness(mm)	C	Si	Mn	P	S	N
T≤30	0.22	0.60	1.70	0.050	0.060	-
T>30	0.24

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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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Hight Strength Low Alloy Steel