Forged 250mm Railroad Car Wheels 50HRC 40CrNiMo Alloy Steel for Road-Rail Vehicles 1-300 Ton Capacity
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
1-30 working days
Brand:
kingrail
Product Description
Product Overview
High-performance forged railroad car wheels designed for road-rail vehicles, manufactured from premium 40CrNiMo alloy steel with 50HRC hardness rating and 250mm diameter specifications.
Technical Specifications
Materials
Available in various steel grades to meet specific application requirements:
- Carbon Steel: C45, C50, C55, C60, 4330, C35, 65Mn
- Alloy Steel: 4140, 42CrMo, 40CrNiMo, 4340, 34CrNiMo6
Wheel Configuration
- Complete assembly includes two wheels, one axle, four bearings, and associated components
- Loading capacity: 1-300 tons (customizable)
- Available wheel types: single flange, double flange, hollow wheel sets, solid wheel sets
- Standard diameters: 300mm, 350mm, 400mm, 450mm, 500mm, 900mm (custom sizes available)
Heat Treatment & Quality Control
- Heat treatment processes: normalizing, quenching & tempering (Q&T)
- Surface and rim quenching depth: 5-20mm
- Comprehensive testing equipment: profile projection, roughness tester, hardness tester, concentricity tester
- Non-destructive testing: ultrasonic testing (UT), magnetic particle testing (MT)
- Dual inspection: in-house quality control and third-party verification
Applications
These forged wheels are engineered for various rail transportation applications including:
- Road-rail dual-use vehicles (RRV)
- Railcars, light rail, street cars, metro systems
- Freight cars, railway wagons for mining operations
- Hy-rail vehicles, rail trailers, ballast vehicles
- Emergency response vehicles: maintenance, rescue, and recovery operations
Manufacturing Process
Our comprehensive 23-step production process ensures superior quality and performance:
- Steel melting and billet preparation
- Heating, stamping, and forming operations
- Precision rolling and bending processes
- Advanced heat treatment: hardening and tempering
- Rigorous quality testing and inspection protocols
- Final finishing, balancing, and protective coating
Quality Assurance Equipment
| No. | Device | Type | Quantity | Status | Purpose |
|---|---|---|---|---|---|
| 1 | End quenching machine | DZJ-I | 1 | Working | Testing |
| 2 | Electric resistance furnace | SX2-8-12 | 2 | Working | Testing |
| 3 | Inverted metallurgic microscope | 4XCE | 1 | Working | Inspection |
| 4 | High temperature box resistance furnace | SX2-4-13 | 1 | Working | Testing |
| 5 | Automatic digital display Rockwell hard-tester | 200HRS-180 | 1 | Working | Inspection |
| 6 | Electronic Brinell hardness tester | THB-3000 | 1 | Working | Inspection |
| 7 | Rockwell hardness tester | HR-150B | 1 | Working | Inspection |
| 8 | Rapid multi-element analyzer | JS-DN328 | 1 | Working | Inspection |
| 9 | Electric arc furnace | JSDL-8 | 1 | Working | Testing |
| 10 | Rapid multi-element analyzer (C & S) | JS-DN328 | 1 | Working | Inspection |
| 11 | Infrared thermometer | AR872 | 2 | Working | Inspection |
| 12 | Portable chemical composition analyzer | AR872 | 2 | Working | Inspection |
| 13 | Test specimen sampler | KW30-6 | 1 | Working | Inspection |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Maanshan Kingrail Technology Co.,Ltd.
Location
Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person
Amanda