High strength low alloy structural steel plate Q420C owned the minimum yield point above 420 Mpa for the thickness equal or belows 16mm,and tensile strength shall be within 520-680 Mpa.Normlised Q420C is mainly for heavy steel plate for improve the steel property when rolling.

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Chemical Composition

Main chemical elements composition of Q420C
C	Si	Mn	P	S	V	Nb	Ti	Al (min.)	Cr	Ni
0.20	0.55	1.00-1.70	0.035	0.035	0.02-0.20	0.015-0.060	0.02-0.20	0.015	0.40	0.70

Mechanical Property

Thickness (mm)
Q420C	≤ 16	> 16 ≤ 35	> 35 ≤ 50	>50
Yield strength (≥Mpa)	420	400	380	360
Tensile strength (Mpa)	520-680

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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