| Chinese
The NM400 Wear-Resistant Steel Helical Flight is an ultra-durable conveying component specifically engineered for highly abrasive material handling applications. Manufactured by Jiahe Conveying Equipment Technology Co., Ltd, these flights utilize NM400 abrasion-resistant steel with a Brinell hardness of 370-430 HBW, delivering 3-5 times longer service life than standard carbon steel flights in extreme wear conditions.
NM400 steel construction (Brinell hardness 370-430 HBW)
Hardened surface treatment for maximum abrasion resistance
5-8 times longer lifespan than standard carbon steel in abrasive applications
Thickness options: 8-30mm (standard), up to 50mm (custom)
Reinforced flight edges for impact resistance
High torsional strength for demanding material handling
Suitable for materials with high SiO₂ content (sand, ores, slag)
Resistant to impact and gouging wear
Performs in temperatures from -40°C to +380°C
Variable pitch designs available
Hardfacing overlay options (up to HRC 60)
Special geometries for specific material flow requirements
Parameter | Specification Range |
---|---|
Outer Diameter | 200-2000mm |
Bore Diameter | 50-500mm |
Thickness | 8-30mm (up to 50mm) |
Material | NM400 Wear-Resistant Steel |
Hardness | 370-430 HBW |
Surface Treatment | As-rolled, shot blasted, or hardfaced |
Maximum Length | 6000mm (single piece) |
Extended service intervals - reduces downtime
Lower total cost of ownership despite higher initial cost
Maintains dimensional stability under heavy loads
Proven in mining and aggregate applications
Mining: Ore, tailings, and mineral transport
Cement: Clinker, raw meal, and slag handling
Aggregate: Sand, gravel, and crushed stone conveying
Power Generation: Fly ash and bottom ash systems
Recycling: Glass cullet and metal scrap handling
Material certification with hardness testing reports
Ultrasonic testing for internal defects
Dimensional verification to ±1mm tolerance
Load testing to 150% of rated capacity
✔ Proven wear resistance in extreme conditions
✔ Engineered for maximum uptime in abrasive applications
✔ Custom configurations for specific material challenges
✔ Technical support from experienced engineers
Contact our team today for your most demanding conveying challenges!
Precision helicoidal flight manufacturer: 24/7 engineering support at +86 400 990 1585 for bulk handling solutions.
Address:No. 3, Garment Road, Xuyi County, Huai'an City, China
Landline:+86-517-88296312 / Fax:+86-517-88296316
Email:jiahecom-com@foxmail.com / WeChat:18014145221
Hotline:+86-400-990-1585 (✦ 24/7 Global Support ✦)