Corrosion resistant steel Q400NQR1 Q450NQR1 Q500NQR1 China Manufacturers Suppliers Factory Exporter

Corrosion resistant steel Q400NQR1 Q450NQR1 Q500NQR1

Payment Type:L/C,T/T,D/P,D/A

Incoterm:FOB,CFR,CIF,EXW

Min. Order:10 Metric Ton

Transportation:Ocean,Land

Port:Qingdao,Tianjin,Shanghai

$860≥10Metric Ton

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

Product Attributes

Model No.: Q400NQR1 Q450NQR1 Q500NQR1

Brand: Houming

Standard: Gb

Place Of Origin: China

Species: Steel Plate, Steel Coil

Production Process: Hot Rolled

Surface Treatment: Galvanized, Coated

Application: Container Plate, Steel for urban rail transit

Special Steel: High-Strength Steel Plate

Tolerance: ±1%

Category: Hot Rolled Steel Sheet, Steel Plate

Processing Service: Bending, Welding, Decoiling, Cutting, Punching, Bending Welding Decoiling Cutting Punching

Supply Ability & Additional Information

Packaging: standard seaworthy package

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 5000 tons per month

Port: Qingdao,Tianjin,Shanghai

Payment Type: L/C,T/T,D/P,D/A

Incoterm: FOB,CFR,CIF,EXW

Packaging & Delivery

Selling Units:

Metric Ton

Package Type:

standard seaworthy package

Picture Example:

High-strength and high-toughness atmospheric corrosion-resistant steel for railway vehicles

In accordance with the needs of the development of the rail transportation industry, in 2003, China was the first in China to develop ultra-high-strength weathering steel hot-rolled coils with yield strengths of Q400NQR1, Q450NQR1，Q500NQR1and Q550NQR1 MPa. This series of high-weathering steel products is produced using the economical TMCP process and has the characteristics of high strength, high toughness, easy welding, and easy forming. At the same time, it also has very good atmospheric corrosion resistance, and its weather resistance is more than twice that of ordinary structural steel, greatly extending the service life of the vehicle. We also developed welding materials and welding technologies such as welding wires and welding rods to match it, which have been applied in batches in the railway industry.

In 2003, the product was evaluated by the Ministry of Railways and included in the railway industry standards and promoted nationwide. The product won the second prize of the 2005 China Materials Research Society Science and Technology Award.

This batch of high-strength weathering steel has been used in large quantities in the manufacture of EMU trains, Qinghai-Tibet Railway trains, urban rail transit trains, and railway freight cars.

Grade	C	SI	Mn	P	S	Cu	Cr	Ni
Q400NQR1	≤0.12	≤0.75	≤1.10	≤0.025	≤0.008	0.20-0.55	0.30-1.25	0.12-0.65
Q450NQR1	≤0.12	≤0.75	≤1.50	≤0.025	≤0.008	0.20-0.55	0.30-1.25	0.12-0.65
Q500NQR1	≤0.12	≤0.75	≤2.0	≤0.025	≤0.008	0.20-0.55	0.30-1.25	0.12-0.65
Q550NQR1	≤0.16	≤0.75	≤2.0	≤0.025	≤0.008	0.20-0.55	0.20-1.25	0.12-0.65

PS: In order to improve the performance of steel, trace elements such as V, Nb, Ti, etc. can be added, but the total amount of these alloys added shall not exceed 0.22%

Available specifications Urban rail Steel Plate

Steel Grade	Finished product thickness (mm)	Finished product width (mm)	Application
Q400NQR1	2~20	900~1800	Used for producing high-performance railway carriages, welded steel structures, etc.
Q450NQR1	2~20	900~1700
Q500NQR1	2~16	900~1700
Q550NQR1	2~16	900~1700

The construction of urban rail transit systems requires extremely high standards for the selection of steel. High strength and durability are the core characteristics of high-quality steel. These characteristics must ensure that the track structure can withstand heavy loads and high-frequency use for a long time. Commonly used steel grades include Q400NQR1, Q450NQR1, Q500NQR1, Q550NQR1, etc. These corten steel have excellent tensile strength and fatigue resistance.

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