310S High Temperature Furnace Roller Castings
Product Name: 310S Stainless Steel High-Temperature Furnace Roller Castings
(Custom Engineered for Continuous Annealing & Galvanizing Lines)
Product Overview
Precision-cast ZG45Cr25Ni20Si2 (310S equivalent) furnace rollers are designed for demanding heat treatment applications up to 1150°C continuous operation. With high chromium-nickel content and silicon addition, our rollers outperform standard 304 rollers by 5-8x lifespan in oxidizing/carburizing atmospheres.
Customization Focus:
✔ Diameter Optimization (Φ80-800mm to match line speed requirements)
✔ Surface Engineering (as-cast, ground, or special textured finishes)
✔ Integrated Cooling Channels (for critical temperature zones)
Key Customization Features
1. Application-Specific Designs
Continuous Galvanizing Lines:
Zinc splash-resistant surface treatments
Anti-warpage rib reinforcement
Bright Annealing Furnaces:
Mirror-polished surfaces (Ra≤0.4μm)
Low-outgassing material grade
2. Advanced Manufacturing
Centrifugal Casting:
Uniform wall thickness (±1.5%)
Controlled grain flow direction
Special Features:
Keyways/splines cast-in-place
Flange integrations
Thermocouple embedment channels
3. Performance Enhancements
Creep Resistance: Custom alloy adjustments for specific temperature profiles
Oxidation Control: Al/Si surface enrichment options
Dimensional Stability: Growth prediction modeling available
Technical Specifications
|
Parameter |
Standard Value |
Customizable Range |
Standard |
|
Max Operating Temp |
1150°C |
900-1200°C |
ASTM A297 |
|
OD Tolerance |
±0.5mm |
±0.2mm (ground) |
ISO 286-2 |
|
Runout |
≤0.1mm/m |
≤0.05mm/m |
DIN 876 |
|
Surface Hardness |
HB200-250 |
HB180-300 |
ASTM E10 |
Custom Design Services
1. Engineering Support
Thermal Deformation Analysis: FEA-based growth prediction
Speed Optimization: Inertia calculations for acceleration regimes
Wear Simulation: Contact stress modeling for guide rings
2. Rapid Prototyping
3D printed sand cores for hollow designs
Pilot testing in simulated furnace conditions
3. Special Configurations
Segmented Designs: For easy replacement of wear zones
Composite Rolls: 310S outer shell with alternative core materials
Quality Assurance
Material Certification:
Heat-specific chemistry (Cr/Ni/Si control)
High-temperature tensile data
Dimensional Inspection:
Laser scanning for ovality/taper
Dynamic balancing (G2.5 grade)
NDT:
UT for wall thickness uniformity
RT for critical stress areas
Industry Applications
Steel Continuous Annealing: Rollers for CAL/CAP lines
Glass Manufacturing: Annealing lehr rolls
Ceramic Kilns: High-precision saggar carriers
Powder Metallurgy: Sintering furnace conveyors
Why Our Custom Rollers?
Proven Designs: 1500+ rollers in global operation
Technical Documentation:
Furnace atmosphere compatibility reports
Recommended rotation speeds/temps
Lifecycle Support:
Wear pattern analysis
Reconditioning services
Certifications:
• ISO 9001:2015 • EN 10204 3.1 • PED 2014/68/EU
Production Lead Times
|
Stage |
Standard Timing |
Expedited Option |
|
Design Review |
5 working days |
3 days |
|
Prototype Delivery |
30 days |
20 days |
|
Production Run |
8-10 weeks |
6 weeks |
This profile highlights:
• Superior high-temperature performance with 25%Cr/20%Ni alloy
• Precision customization for specific furnace environments
• Advanced manufacturing for critical dimensional requirements
• Full technical support from design to after-service
FAQ
Q: Are you certified by any national authorities?
Q: Are you a member of any industry associations?
Q: Have you received any honors or recognitions?
Q: Do your products comply with international standards?
Q: Can you provide third-party inspection reports?
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