Customizable Pressureless Sintered SiC Roller 1650°C Heat Resistant for Roller Hearth Kilns

Price Negotiable

Price: 200-500 yuan/kg

MOQ: Negotiable

Delivery Time: Negotiable

Brand: KeGu

Product Description

Customized Pressureless Sintered SiC Roller 1650℃ Heat Resistant For Roller Hearth Kilns

This high-performance silicon carbide roller rod is manufactured using advanced pressureless sintering technology. Made from high-purity silicon carbide, it delivers exceptional strength, high-temperature resistance, corrosion resistance, and superior thermal shock performance. Specifically engineered for high-temperature industrial applications including roller hearth kilns, it maintains stable operation in oxidizing atmospheres at temperatures up to 1650°C. Customization and end processing services are available to meet specific customer requirements.

Typical Applications

Conveying rollers in high-temperature roller kilns
Application industries: daily porcelain, lithium battery raw material production, sanitary porcelain, magnetic materials and other roller kiln high-temperature firing zones

Key Features

Exceptional Wear Resistance
Excellent Oxidation Resistance
Outstanding Corrosion Resistance
Superior High-Temperature Tolerance

Physical Properties of Pressureless Sintered Silicon Carbide Ceramics

Physical Properties	Unit	SSiC
Composition: SiC	Vol%	≥98
Density 20℃	g/cm³	≥3.06
Open Porosity	Vol%	≈0
Hardness (Rockwell Hardness 45N)	R45N	93
Vickers Hardness HV1	kg/mm²	2350
Flexural Strength 20°C	MPa	320-400
Flexural Strength 1300°C	MPa	300-400
Coefficient of Thermal Expansion	10⁻⁶K⁻¹	4.0
Thermal Conductivity 20°C	Wm⁻¹K⁻¹	196
Thermal Conductivity 1200°C	Wm⁻¹K⁻¹	60
Modulus of Elasticity @ RT	GPa	410
Thermal Shock Resistance	℃	＞350
Max. Service Temp (air)	℃	1650

Available Product Sizes

OD ± X mm	ID ± X mm	Tolerance X mm	Max. Length ± 2 mm
16	12	0.3	3000
19	11	0.5	3000
25	20	0.5	3000
34	24	0.8	3000
35.5	25.5	0.8	3000
38	26	0.8	3000
40	20	0.8	4000
45	25	0.8	4000
45	20	0.8	4000
50	34.8	0.8	4000
52	36	0.8	4000
52	38	0.8	4000
57	41	0.8	4000
60	45	0.8	4000