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Common Heat-Resistant Cast Iron Materials for Grate Bars
Heat-resistant grate bar irons come in silicon, chromium and aluminium families. RTSi5 works at 750 to 900 C, RTCr2 and RTCr16 at 800 and 950 C, and …
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Common Gray Cast Iron Grate Bar Materials
HT200 and HT250 are the usual grades: easy to cast and cheap, but limited to 480 to 520 C, with oxidation and cracking above 600 C, so they suit small …
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Technical Analysis of Active and Passive Chain Grate Bars
Chain grate driving bars carry the pull, usually KTH350 malleable iron or ZG230-450 steel for heavy duty; passive bars face the flame in RTSi5 iron at …
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High-Temperature Performance of RTSi5 Heat-Resistant Cast Iron Grate Bars
RTSi5 heat-resistant iron holds 4.5 to 5.5 percent silicon, works at 750 to 850 C and takes short peaks at 880 C. Its silica surface film gives two …
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How to Choose the Right Grate Bar Material Based on Actual Requirements?
Choice follows furnace temperature: HT200 grey iron below 700 C, RTSi5 silicon iron at 700 to 850 C, low-chromium RTCr1 or RTCr2 at 850 to 920 C, and …
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Mainstream Grate Bar Material Classification, Performance, and Application Scenarios
Grate bar grades follow the duty: HT200 grey iron holds 650 to 700°C, RTSi5 high-silicon iron with 4.5% to 5.5% silicon runs at 750 to 850°C, and …
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