Steel plates made from Q690 material has high yield strength and tensile strength and is widely used in coal mine machinery and engineering machinery, such as hydraulic support, port cranes, flatbed trucks and so on.

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Product Details

Chemical Composition

Q690 Chemical Composition (%)

Steel Grade

Quality Grade

Q690

Q690C

≤ 0.18

≤ 0.60

≤ 2.00

≤0.030

≤ 0.11

≤ 0.12

≤ 0.20

≤ 1.00

≤ 0.80

≤ 0.015

≤ 0.30

≤ 0.004

≥ 0.015

Q690D

≤0.030

≤0.025

Q690E

≤0.025

≤0.020

Mechanical Property

		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