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| Customization: | Available |
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| Type: | Chemical Hardening Sand |
| Casting Method: | Thermal Gravity Casting |
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Parameter Classification | AAR Certified Standard Side Frame | DZ1 Type Side Frame (27t) | K6 Type Side Frame (25t General) |
Core Dimension | Applicable Gauge: 1435mm (General)/Broad Gauge Dimensions comply with AAR M-203/M-210 standards Compatible with overseas intermodal freight bogies | Fixed Wheel Base: 1860mm Journal Center Distance: 2006.6mm Applicable Gauge: 1435mm Integral cast steel, heavy-duty thickened structure | Fixed Wheel Base: 1830mm, Journal Center Distance: 2000mm Applicable Gauge: 1435mm Standard speed-up cast steel structure |
Unit Weight | 420-470kg/pc (Customized by Axle Load) Meet AAR weight tolerance requirements | Approx. 460kg/pc Thickened cast steel, heavy-duty load-bearing design | Approx. 430kg/pc Lightweight design with balanced strength |
Material Standard | Grade E/B+ Cast Steel per AAR M-201 AAR certified, suitable for overseas export | Grade B+ Cast Steel ZG25MnCrNi,Comply with Railway Wagon [2007] No.161 & TB/T 3012 | Grade B+ Cast Steel,Comply with national standards for railway Wagon bolster & side frame |
Axle Load | 25-32.5t (Multi-specifications Optional),Meet North American & overseas intermodal standards | 27t, Special for Large Axle Load Heavy-haul | 25t, General Speed-up Freight Transport |
Operating Speed | Max. Operating Speed: 80-120km/h,Customized according to overseas line conditions | Max. Commercial Operating Speed: 100km/h | Max. Commercial Operating Speed: 120km/h |
Mechanical Properties | Meet AAR M-203 static strength & fatigue requirements | Hardness HB 160-197; Normalizing + Tempering | Hardness HB 160-197; Conventional Heat Treatment |
Testing & Certification | Full-condition non-destructive testing, suitable for complex overseas lines | Qualified heavy-duty fatigue strength, strong impact resistance | Balanced speed-up and load-bearing fatigue performance |
AAR Certification; UT+MT Testing; Comply with M-210 Supply Standard | 100% UT+MT Testing; CRCC Certification | 100% UT+MT Testing; CRCC Certification | |
Application | North American, overseas intermodal & export railway wagons | Domestic coal & ore heavy-duty railway wagon | Domestic general & speed-up railway wagon |





