1 Â About Tedrail
Terail is a professional manufacturer of  railway products located in JiangSu China. We can supply most of Bogie parts, Wagon parts, Coach parts, Locomotive parts based on customer requirements. Expert in design, manufacture, and inspection, Tedrail can offer you guaranteed products and also complete solution of railway industry.Â
2 Â What axle steel grades and standards Tedrail support?
Tedrail support and confirm to a wide range of axle standards and steel grade.
Â
Standard                Material Heat           Treatment Approach
TB/T 2945-1999Â Â Â Â Â Â Â Â Â LZ50Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â N(Twice) followed by T
AAR M-101-2011Â Â Â Â Â Â Â Â AAR Grade FÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â N(Twice) followed by T
                  AAR Grade G                Q followed by T
                  AAR Grade H                 N,Q followed by T
EN 13261-2009Â Â Â Â Â Â Â Â Â Â EA1NÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â N
                  EA1T                              Q followed T
                  EA4T                              Q followed T
UIC 811-1-1987Â Â Â Â Â Â Â Â Â Â Â Â A1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (U),N,TÂ
                   A2                                N
                   A3                               N,T
                   A4                                T
                   A5                                 T
Less common standards:
JIS E 4502 Â
GMRT 2466
IRS 16/95Â
CME-1 Â Â
Customized technical specification can be met.
REF: N-Normalizing T-Tempering Q-Quenching U-Untreated
Â
Chemical Analysis of Wide-used Steel in Different Standards Â
LZ50 Elements C Mn Si P S Cr Ni Cu T.Al
Percentage% 0.47-0.57 0.60-0.90 0.17-0.40 ≤0.03 ≤0.03 ≤0.30 ≤0.30 ≤0.25 ≥0.02
Tolerance ±0.02 ±0.03 ±0.02 +0.005 +0.005    Â
Â
AAR GradeF Elements C Mn Si P S V Â Â Â
Percentage% 0.45-0.59 0.75-1.00 ≥0.15 ≤0.045 ≤0.05 0.02-0.08   Â
Tolerance  ±0.03 -0.02 +0.008 +0.008 ±0.001   Â
Â
EA1N Elements C Mn Si P S Cr Ni Cu V Mo
Percentage% ≤0.40 ≤1.20 ≤0.50 ≤0.02 ≤0.02 ≤0.30 ≤0.30 ≤0.30 ≤0.06 ≤0.08
Tolerance    +0.005 +0.005    Â
Â
A1 Elements C Mn Si P S Cr Ni Cu V Mo
Percentage% ≤0.37 ≤1.12 ≤0.46 ≤0.04 ≤0.04 ≤0.30 ≤0.30 ≤0.30 ≤0.05 ≤0.05
Tolerance +0.03 +0.08 +0.04 Â Â Â Â Â Â
 
3 The Manufacturing
The mail process of axle manufacturing are the reducing from ingot or bloom, heat-treatment , tensile and ultrasonic test, machining and coating. From the bloom check to tensile or ultrasonic test, Tedrail will take a serious control of the manufacturing to guarantee the quality of axle.
 
4 How do we guarantee the quality?
Experienced Design EngineeringÂ
After our talented engineers get your drawings, they'll quickly grasp it and point out the key-points.
Mature Workshop DirectingÂ
Mature workshop directing will make sure the manufacturing process precisely control the quality so that the customer's demands will be confirmed.
Comprehensive Tests and Inspections
Tedrail will carry out comprehensive tests to make sure the quality of Axle. Any test in relevant production procedure must be approved or the axle will be eliminated.
Test  Category
Chemical Analysis
Tensile and Impact Test with Mechanical Analysis
Micrographic/Microscopic Test
Macrographic /Macroscopic Test
Ultrasonic Test
Magnetic TestÂ
Appearance and Dimensions Inspection
Â
Serious Quality Assurance
After the production is done, our quality assurance team will double-check every axle to guarantee that the axle meet the requirements of clients. 
Jiangsu tedrail industrial co.,ltd is a high -tech enterprise intergrating railway passenger cars ,metro vehicles ,railway vehicle and rail fitting design and manufacturing .the company is committed to provide customers with the railway passengers transport system,railway freight system solutions ,the company has an experienced railway vehicle design team and ready to provide users with fast ,high-quality services at any time .the company products have been exported to the United States ,South Afric ,Brazil ,and other countries .covering the vehicle ,bogie and accessories ,coupler and accessories .gangway ,seat ,luggage rack ,air conditioning ,driver operation desk ,electrical cabinets ,electric connectors ,PIS system,FRP composite materials.
Â