Learn About the Latest Q550 Steel Plate/Sheet Price, Specifications and Dimensions.
Q550 C/D/E High Strength Steel Plate | GB/T 1591-2018 Supplier
Q550 C/D/E is a high strength low alloy structural steel used in applications where high strength, structural reliability and weight reduction are required.
Q550 offers higher load-bearing capacity compared to traditional structural steel grades, which allows engineers to reduce material thickness and the overall weight of structures in appropriate applications. Q550 series contains Q550C, Q550D and Q550E, which have different impact toughness requirements for different service conditions.
Royal Steel Group provides Q550 steel plates in various standard and custom sizes for use in heavy machinery, mining, construction, transportation and industrial engineering projects.
| Item | Specification |
| Steel Grade | Q550C / Q550D / Q550E |
| Applicable Standard | GB/T 1591-2018 |
| Minimum Yield Strength | ≥550 MPa |
| Tensile Strength | 670–830 MPa |
| Standard Thickness | 10–80 mm (3/8"–3") |
| Standard Width | 1220–3048 mm (48"–120") |
| Standard Length | 2438–12192 mm (96"–480") |
| Maximum Length | Up to 25910 mm (1020") |
| Product Type | High Strength Structural Steel Plate |
| Surface | Mill Finish / Customized |
| Cutting | Customized cutting available |
| Application | Heavy Machinery, Mining Equipment, Engineering Structures |
The Q550 series can be found in three commonly specified grades:
Q550C - for use in structural applications where standard toughness levels are required.
Q550D – enhanced impact toughness for more severe service conditions.
Q550E – for the use in applications that demand higher low temperature impact toughness.
The suitable grade shall be selected considering the design temperature, the required impact toughness, the welding condition and the relevant project specification.
High Strength Steel
Q550 steel has good load-bearing ability and is widely used in the field of construction, industrial machinery, due to it has a high yield strength ( ≤ 550 MPa ).
Weight Reduction
This high strength-to-weight ratio may allow for a reduction in the quantity of steel utilized in certain engineered structures, and a resulting decrease in overall structure weight.
Heavy-Duty Performance
Q550 steel sheet is used for parts which needed carry great machine impact force such as heavy machine and mine machine.
Flexible Dimensions
The standard thickness is from 10 to 80mm and the size of the plate in width and length can be customized according to the demands of the customer for mass production.
Customized Processing
Steel plates could be customized in sizes and processing if your project needs, as long as your technical specification provided.
Q550 Steel Plate / Sheet Sizes
Based on the specifications you provided, Q550 C/D/E steel plate is available in a wide range of thicknesses, widths, and lengths for heavy-duty structural and industrial applications.
| Dimension | Standard Size |
| Thickness | 10–80 mm (3/8"–3") |
| Width | 1220–3048 mm (48"–120") |
| Standard Length | 2438–12192 mm (96"–480") |
| Maximum Length | Up to 25910 mm (1020") |
Common Q550 Steel Plate Sizes
Typical size combinations include:
10 × 1500 × 6000 mm
12 × 2000 × 6000 mm
16 × 2000 × 8000 mm
20 × 2200 × 10000 mm
25 × 2500 × 12000 mm
30 × 2500 × 12000 mm
40 × 3000 × 12000 mm
50 × 3000 × 12000 mm
60 × 3000 × 12000 mm
80 × 3000 × 12000 mm
Custom thickness, width, and length can be supplied according to project requirements, production capabilities, and transportation conditions.
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Royal Steel Group offers processing services to help customers reduce fabrication time and enhance project efficiency.
Services:
Cutting → Drilling → Bending → Edge Processing → Welding/Fabrication → Surface Treatment
Plate dimensions and processing requirements can be customized according to engineering drawings, quantities, and application conditions.
The applications of Q550 C/D/E high strength steel plate typically include:
Mining equipment
Heavy-load machinery
Construction machinery
Engineering vehicles
Heavy-duty structural components
Industrial equipment
Load applying structures
Major welded structures
Transport equipment
Energy and infrastructure schemes
Royal Steel Group offers Q550 high strength plates for worldwide engineering and industrial applications, with material certification, standard or customized sizes, processing such as cutting, inspecting, packaging and delivery.
Our service in steel supply can be tailored in terms of grade, thickness, width, length, quantity and necessary inspection document according to your project requirements.
For large quantities, customers can contact us to request a quote indicating the required grades of Q550C, Q550D, or Q550E, plate size, quantity, destination and terms of delivery.
1) Branch Office - Spanish-speaking support, customs clearance assistance, etc.
2) Over 5,000 tons of stock in stock, with a wide variety of sizes
3) Inspected by authoritative organizations such as CCIC, SGS, BV, and TUV, with standard seaworthy packaging
The Q550 steel plate can be provided with relevant quality documents as per the requirements of users, such as:
MTC (Mill Test Certificate)
Report on chemical compositions
Test result for mechanical properties
Dimensional survey
Third-party inspection if necessary
Other documents specific to the project
Q550 steel plates are packed with export-suitable packaging and loaded with export-suitable loading methods for international transportation. Packaging can be customized as per plate dimensions, weight, transportation mode, and destination.
Available delivery methods may be by container, bulk vessel or other means of transportation, as per order requirement.
1. What is Q550 steel plate?
Q550 is the high strength structure steel grade of the GB/T 1591-2018, whose yield strength is not lower than 550 MPa.
2. What is the tensile strength of Q550 steel?
The tensile strength of Q550 specified is 670–830 MPa as per the supplied standard.
3. What are Q550C, Q550D and Q550E?
Q550C, Q550D, and Q550E are subgrades of Q550 high strength structural steel, which mainly differ in terms of impact toughness requirements and the service conditions to which they can be applied.
4. What thicknesses are available for Q550 steel plate?
The regular thickness is 10-80 mm (3/8"-3"). Special thickness can be afforded according to production requirement.
5. What is Q550 steel used for?
Q550 steel is widely used in manufacturing of heavy machinery, mining machinery, heavy construction buildings, construction machinery and so on, which is a high load and high structural strength required places.
6. Can Q550 steel plate be customized?
Yes, plate width, length, cutting size, surface condition, inspection and other requirements can be negotiated to suit the project specification.
Looking for Q550C, Q550D or Q550E high strength steel plate for your machinery, mining, construction, or engineering project?
Contact Royal Steel Group for Q550 steel plate pricing, availability, customized dimensions, MTC, inspection requirements, and international delivery solutions.
ROYAL STEEL GROUP
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
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