Q690C steel plate

Classification :

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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Keywords:

Hight Strength Low Alloy Steel

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

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

Cooperation Case

Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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FACTORY

Hight Strength Low Alloy Steel