
FH® Preheaters for Industrial Applications | Reliable Heat Efficiency
FH® preheaters are engineered to provide top-tier performance in demanding industrial environments. Designed with precision and durability, our preheaters are built to efficiently elevate material temperatures before they enter high-heat processing stages. With robust construction and exceptional heat resistance, FH® preheaters are ideal for industries such as metalworking, ceramics, glass production, and more.
Key Features:
- High Heat Resistance: Made from advanced heat-resistant alloys, these preheaters offer superior durability and performance in extreme temperatures, ensuring a long lifespan even under continuous use.
- Efficient Heating Performance: Optimized design to provide consistent and uniform heat distribution, reducing energy consumption and increasing overall furnace efficiency.
- Heavy-Duty Construction: Built with high-quality stainless steel and specialized alloys, the FH® preheaters are designed to withstand intense thermal cycles, reducing maintenance needs and downtime.
- Versatile Application: Perfect for use in various heat treatment processes including continuous furnaces, carburizing, annealing, and other high-temperature environments.
- Customizable Options: Available in a wide range of sizes and configurations to meet the specific needs of your operation. Whether you require high-load capacity or precise temperature control, FH® preheaters are tailored to support your requirements.
Technical Specifications:
- Material: High-temperature-resistant stainless steel or alloy steel
- Operating Temperature Range: Up to 1000°C (1832°F), depending on model
- Dimensions: Customizable based on specific furnace size and application
- Mounting Options: Flexible mounting systems for easy integration into existing furnace setups
- Energy Efficiency: Designed to maximize heat retention and reduce energy costs over long periods of operation
Applications:
- Steel & Metal Industry: Ideal for preheating metal parts before forging, casting, or heat treatment.
- Ceramics & Glass Production: Provides consistent preheating for materials before entering high-temperature kilns or furnaces.
- Automotive & Aerospace Industries: Preheating components before critical thermal processes like carburizing and nitriding.
Why Choose FH® Preheaters?
FH® is committed to providing high-quality industrial solutions that enhance efficiency and minimize downtime. Our preheaters are trusted by major manufacturers around the world for their reliability, high performance, and ability to withstand the toughest conditions. With FH®, you get not only exceptional equipment but also a partner dedicated to your operational success.
Genuine Photos of FH® Furnace Preheaters:
Material Grade Table:
| Heat-resistant Steel | |||||||||||||
| / | GB | DIN | ASTM | JIS | Chemical Composition (%) | Maximum Operation Temperature | |||||||
| C | Si | Mn | Cr | Ni | Nb/Cb | Mo | Other | ||||||
| 1 | ZG40Cr27Ni4 | 1.4823 | HD | SCH11 | 0.30 - 0.50 | ≤2.00 | ≤1.00 | 24.00 - 28.00 | 4.00 - 6.00 | - | ≤0.50 | - | 1050℃ |
| 2 | ZG40Cr22Ni10 | 1.4826 | HF | SCH12 | 0.30 - 0.50 | 1.00 - 2.50 | ≤2.00 | 19.00 - 23.00 | 8.00 - 12.00 | - | ≤0.50 | - | 950℃ |
| 3 | ZG30Cr28Ni10 | - | HE | SCH17 | 0.20 - 0.50 | ≤2.00 | ≤2.00 | 26.00 - 30.00 | 8.00 - 11.00 | - | - | - | 1050℃ |
| 4 | ZG40Cr25Ni12 | 1.4837 | HH | SCH13 | 0.30 - 0.50 | 1.00 - 2.50 | ≤2.00 | 24.00 - 27.00 | 11.00 - 14.00 | - | ≤0.50 | - | 1050℃ |
| 5 | ZG30Cr28Ni16 | - | HI | SCH18 | 0.20 - 0.50 | ≤2.00 | ≤2.00 | 26.00 - 30.00 | 14.00 - 18.00 | - | - | - | 1100℃ |
| 6 | ZG40Cr25Ni20Si2 | 1.4848 | HK | SCH21 | 0.30 - 0.50 | ≤1.75 | ≤1.50 | 23.00 - 27.00 | 19.00 - 22.00 | - | ≤0.50 | - | 1100℃ |
| 7 | ZG30Cr20Ni25 | - | HN | SCH19 | 0.20 - 0.50 | ≤2.00 | ≤2.00 | 19.00 - 23.00 | 23.00 - 27.00 | - | - | - | 1100℃ |
| 8 | ZG40Cr19Ni39 | 1.4865 | HU | SCH20 | 0.35 - 0.75 | ≤2.50 | ≤2.00 | 17.00 - 21.00 | 37.00 - 41.00 | - | - | - | 1020℃ |
| 9 | ZG40Cr15Ni35 | 1.4806 | HT | SCH15 | 0.35 - 0.70 | ≤2.00 | ≤2.00 | 15.00 - 19.00 | 33.00 - 37.00 | - | ≤0.50 | - | 1000℃ |
| 10 | ZG40Cr25Ni35Nb | 1.4852 | HPCb | SCH24Nb | 0.30 - 0.50 | ≤2.00 | ≤2.00 | 24.00 - 28.00 | 33.00 - 37.00 | 0.80 - 1.80 | ≤0.50 | - | 1100℃ |
| 11 | ZG40Cr19Ni39Nb | 1.4849 | - | - | 0.30 - 0.50 | 1.00 - 2.50 | ≤2.00 | 18.00 - 21.00 | 36.00 - 39.00 | 1.20- 1.80 | ≤0.50 | - | 1100℃ |
| 12 | ZG40Cr24Ni24Nb | 1.4855 | - | - | 0.30 - 0.50 | 1.00 - 2.50 | ≤2.00 | 23.00 - 25.00 | 23.00 - 25.00 | 0.80 - 1.80 | ≤0.50 | - | 1050℃ |
| 13 | ZG40Cr25Ni35 | 1.4857 | HP | SCH24 | 0.35 - 0.50 | 1.00 - 2.50 | ≤2.00 | 24.00 - 28.00 | 33.00 - 37.00 | - | ≤0.50 | - | 1100℃ |
| 14 | ZG1Cr20Ni32Nb | 1.4859 | - | - | 0.06 - 0.15 | 0.50 - 1.50 | ≤2.00 | 19.00 - 21.00 | 31.00 - 33.00 | 0.50 - 1.50 | ≤0.50 | - | 1050℃ |
| 15 | ZG45Cr12Ni60 | - | HW | - | 0.35 - 0.75 | ≤2.00 | ≤2.00 | 10.00 - 14.00 | 58.00 - 62.00 | - | - | - | 1100℃ |
| 16 | ZG45Cr18Ni66 | - | HX | - | 0.35 - 0.75 | ≤2.00 | ≤2.00 | 15.00 - 19.00 | 64.00 - 68.00 | - | - | - | 1100℃ |
| 17 | ZG1Cr28Co50 | 2.4778 | - | - | 0.05 - 0.25 | 0.50 - 1.00 | ≤1.50 | 27.00 - 30.00 | ≤1.00 | ≤0.50 | ≤0.50 | Co:48.0 - 52.0 | 1200℃ |
| 18 | ZG30Cr28Co50Nb | 2.4779 | - | - | 0.25 - 0.35 | 0.50 - 1.50 | 0.50 - 1.50 | 27.00 - 29.00 | - | 1.50 - 2.50 | ≤0.50 | Co:48.0 - 52.0 | 1200℃ |
| 19 | ZG40Cr28Ni48W5 | 2.4879 | - | SCH42 | 0.35 - 0.55 | 1.00 - 2.00 | ≤1.50 | 27.00 - 30.00 | 47.00 - 50.00 | - | ≤0.50 | W:4.0 - 5.5 | 1200℃ |
FAQ:
Q: How to give inquiry ?
A: Step 1, please give us some details about your furnace,operating temperature,cooling method,loading weight of your furnace and so on;
Step 2, it's better to provide 3D drawings;
Step 3, when we have enough details, we may design the products drawings and quote accordingly;
Q: When can I get the price?
A: We usually quote within 24 hours after we get your inquiry(Except weekend and holidays). If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
Q: When will make delivery ? /What is the delivery Time?
A: -Sample Order: 35 days after receipt of the full payment.
-Stock Order: 10 days after receipt of the full payment
-OEM Order: 30 days after receipt of the deposit.
Q: What's your after-sales service?
A: 1 year warranty for all kinds of products;
If you find any defective accessories first time, we will give you the new parts for free to replace in the next order, as an experienced manufacturer, you can rest assured of the quality and after-sales service.
Q: What's your payment condition?
A: T/T
Payment<=USD10000, 100% in advance. Payment>USD10000, 50% T/T in advance ,balance before shipment.
Q: What is the shipping method?
A: Transported by DHL, UPS, EMS, Fedex,Air freight, sea freight or train freight.


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