Q550D S550Q/1.8904 Chemical Composition Steel Plate Price

Q550D S550Q / 1.8904 Chemical Composition Steel Plate Price

1: Q550D Steel Introduction

Q550D steel plate is a kind of D grade tempered low alloy high strength steel plate with yield strength of 550MPa. It has high strength, high toughness and good wear resistance, fatigue resistance, impact resistance, corrosion resistance and welding easy processing performance and other characteristics. The production of Q550D steel follows the national standards GB/T 16270-2009 and GB/T 1591-2008. Its grade consists of the hanyu pinyin letters representing the yield strength, the yield strength value and the quality grade symbol, for example, “Q” in Q550D represents the yield strength of the steel, “550” represents the yield strength value, and ” D” represents quality grade D.

Q550D Steel Stock in Warehouse

2: Q550D Steel Equivalent

3: Q550D Steel Chemical Composition

4: Q550D Steel Mechanical Properties

The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.

5: Qilu Company Profile

Hunan Qilu was engaged in steel exporting since 2008 year, the former was the sales company for Qilu Special Steel co.,ltd which was founded in 1986 year. Now Hunan Qilu Metal is one of most professional steel manufacturer and exporter in China. We already exported steel material to Germany, UK, Ireland, Greece, Italy, Poland,Belgium, Estonia, Latvia, Spain, France, Netherlands, Portugal, Czech republic, Finland, Russia, Belarus, Canada, Mexico, Brazil, Chile, Colombia, Peru, Argentina, Venezuela, Thailand, Indonesia, Vietnam, Singapore, Malaysia, Philippines, UAE, South Africa, Zambia, Australia etc.

6: Production Equipment

The company owns advanced special steel smelting facilities and forging processing equipment, the main steel-making equipment include 2 set of 50t and 25t ultra-high power electric arc furnaces, 2 set of 60t and 30t LF refining furnaces, 2 set of 60t and 30t vacuum degassing refining furnace. 4 sets of 1-20t electroslag re-melting furnaces.

The main forging equipment mainly include:3 sets of 3t 5t and 8t electro-hydraulic hammers, 3 sets of high-speed forging units of 1600t, 2000t and 4500t respectively.

7: Our Company Certificate

We already passed ISO 9000 : 2015 certificate of quality system, and we could supply steel forging material with all kinds of Classification Society Certification, such as ABS, ,DNV, BV, CCS etc. We also supplied steel material to oil industry with API certificate, such as API20B, API6A etc.

8: Stock&Warehouse

Besides forging material, we also supply hot rolled material from Dongbei special steel, Tiangong, Changcheng special steel, Lihuai Special Steel, Laisteel, Juneng steel, Yongsteel, Xinxin steel, Shijiazhuang steel etc. We have two warehouses for hot rolled material. Further processing such as heating treatment, rough machining and milled are also provided by us.

9: Q550D Steel Overviews

10: Packing& Delivery

For the delivery, we will choose LCL, FCL and Bulk carrier according to order quantity. Usually if the quantity is less than 10tons, we will recommend LCL. If the quantity is more than 100tons, we will recommend bulk carrier. Usually FCL will be the most common for delivery.

In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services. Such as pallet, wooden box, package with woven bag etc.

11: Q550D Steel Application

Construction Field: It is used to manufacture beams and columns of high-rise buildings, bridges, and support structures of large-scale industrial plants, etc., to ensure the safety and stability of the buildings.

Mining Field: It is used to manufacture mine supports, conveyor belts, excavators and other equipment to improve mining efficiency.

Transportation Field: used in the manufacture of train cars, large ships, highway guardrail, etc., to ensure the safety of transportation.

Machinery Manufacturing Industry: used in harbor machinery, coal mining machinery, mining machinery, crane equipment, ship equipment, power generation equipment and so on.

12: Delivery Condition

For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed or QT, black surface or rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed or QT, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed or QT, black surface.