Heat Resistant Cast Iron Specification Custom Autocar Manifold Parts Manufacturer

Heat Resistant Cast Iron Specification Custom Autocar Manifold Parts Manufacturer

Product Description and Process heat resistant cast iron specification custom auto-car manifold parts manufacturer Production process: green sand molding Machining process: Surface treatment process: paint coating Product Material and Uses Normally produce with RTCr, RTCr2, RTCr16, RTSi5,...

Product Details

Product Description and Process

heat resistant cast iron specification custom auto-car manifold parts manufacturer

 

Production process: green sand molding

Machining process:

Surface treatment process: paint coating

 

Product Material and Uses

Normally produce with RTCr, RTCr2, RTCr16, RTSi5, RTQSi4, RTQSi5, etc.

 

The heat resistant cast iron casting products are widely used for furnace grate, roasting furnace components, boiler parts, kiln gate, sintering machine fittings, etc.

 

Heat Resistant Castings-Iron Base Alloys

Castings are classified as heat resistant if they are capable of sustained operation while exposed, either continuously or intermittently to operating temperatures that result in metal temperature in excess of 650°C (1200°F). Alloys used in castings for such applications fall into four broad categories. A number of proprietary alloys viz. AiResist, Haynes, Inconel, Rene, Udimet, Hastelloy, MAR-M, RA-330, Nimonic and many other alloys developed by companies viz. Inco Alloys, Rolled Alloys, Carpenter Alloys, Krupp VDM, also fall within the four categories mentioned below: The discussion in this technical paper is restricted to iron-base alloys.

1. Iron-base heat resistant alloys:

Straight Chromium alloys-HA, HC, HD ·

Iron-Chromium-Nickel (Fe-Cr-Ni) alloys-HE, HF, HH-I, HH-II, HP-50WZ, HK, HK-30, HK- 40, HK-50, HL ·

Iron-Nickel-Chromium (Fe-Ni-Cr) alloys-HN, HP, HT, HU, HW, HX

2. Nickel-base heat resistant alloys

3. Cobalt-base heat resistant alloys

4. Super alloys:

Iron base super alloys ·

Nickel base super alloys ·

Cobalt base super alloys

 

Properties of Heat Resistant Alloys

In application of heat resistant alloys, paramount considerations include:

Resistance to corrosion at elevated temperatures

Stability (resistance to warping, cracking or thermal fatigue)

Creep strength (resistance to plastic flow


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