Q690D High strength welded structural steel plate used for large ships, Bridges, power plant equipment, medium and high pressure boilers, high pressure vessels, locomotive vehicles, hoisting machinery, mining machinery and other large welding structures.

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Product Details

Chemical Composition

Grade	Chemical requirement or element Max %
	C	Si	Mn	P	S	Cu	Cr	Ni	Mo	B	V	Nb	Ti
Q690D	0.2	0.8	1.7	0.025	0.015	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05

Mechanical Property

Q690 Steel Mechanical Properties

			Q690 Yield Strength (≥N/mm2); Thickness or Dia. d (mm)
Standard	Steel Grade	Quality	d≤16	16<d≤40	40<d≤63	63<d≤80
GB/T 1591 – 2008	Q690	C, D, E	690	670	660	640
GB/T 1591 – 2018	Q690M	C, D, E	690	680	670	650

			Q690 Tensile Strength (N/mm2); d (mm)			Elongation
Standard	Steel Grade	Quality	d≤40	40<d≤63	63<d≤80	%
GB/T 1591 – 2008	Q690	C, D, E	770-940	750-920	730-900	≥14
GB/T 1591 – 2018	Q690M	C, D, E	770-940	750-920	730-900	≥14

CUSTOMER TRANSACTION

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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Factory Appearance

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.

Packing and shipping

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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PRODUCTION WORKSHOP

Hight Strength Low Alloy Steel