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The Ultimate Guide to Different Drill Bit Types: How to Choose the Right Tool for the Job

Dezhou Drillstar Cutting Tool Co., Ltd. officially resumed production amidst a festive and auspicious atmosphere.

Dezhou Drillstar Cutting Tool Co., Ltd. 2026 Year of the Horse Gala: A Resounding Success – Forging Precision, Riding the Wind of Progress

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Valve Seat

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Product Details

The valve seat is a common component in valves, with an outer diameter ranging from 10 mm to 700 mm and an inner diameter ranging from 5 mm to 600 mm. The Stellite valve seat is a type of hard-faced sealing material, and it is widely used due to its excellent comprehensive properties such as cavitation resistance and corrosion resistance. Our company manufactures Stellite alloy valve seats by adopting atmospheric pressure precision casting, vacuum precision casting or powder metallurgy processes.
Grade
Grade C Si Mn Cr Ni Mo W Fe Co Density/g/cm3 Hardness/HRC
Stellite 3 2.0～2.7 1.0 1.0 29～33 3.0 1.0 11.0～14.0 3.0 Bal. 8.55 51～55
Stellite 6 0.9～1.4 1.5 1.0 27～31 3.0 1.5 3.5～5.5 3.0 Bal. 8.30 38～44
Stellite 12 1.1～1.7 1.0 1.0 28～32 3.0 – 7.0～9.5 3.0 Bal. 8.40 44～49
Stellite 21 0.2～0.3 1.0 1.0～2.0 26～28 2.5 5.0～6.0 – 2.5 Bal. 8.33 27～40

Application Fields
Stellite alloy valve seats are mainly used in valves such as butterfly valves and globe valves that operate under special conditions requiring corrosion resistance and wear resistance. They come in a wide variety of types and enjoy extensive applications.
Advantages and Services
Our company manufactures a full range of Stellite alloy valve seat products by adopting precision casting and powder metallurgy processes. We are able to provide technical guidance and customized solutions according to customers’ application requirements.

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Products

The Ultimate Guide to Different Drill Bit Types: How to Choose the Right Tool for the Job

Dezhou Drillstar Cutting Tool Co., Ltd. officially resumed production amidst a festive and auspicious atmosphere.

Dezhou Drillstar Cutting Tool Co., Ltd. 2026 Year of the Horse Gala: A Resounding Success – Forging Precision, Riding the Wind of Progress

Valve Seat

Description

marker

Contact us

* Name

*Email

Phone / WhatsAPP / WeChat

* What I have to say.

Related Popular Products

Carbide Rods with Straight Holes

Extrusion Die

Stellite Rotor for Petroleum Equipment

Cemented Carbide Ball Tooth

Stellite Alloy Welding Electrode

TD102-H01-EU Economy Enhanced Tool Dynamic Balancing Machine (Black/White)

Carbide Strips

Viscose Fiber Cutting Knife

Single Axis CNC Deep Hole Gun Drilling Machine

Carbide Gun Drill Feather Key (Deep-Hole Drilling Guide Key)

Carbide Cutting Teeth

Brazed Carbide Tip Gun Drills

Stellite Alloy

Deep Hole Honing Head

Cemented Carbide Tapered Ball Tooth

Cemented Carbide Wear-Resistant Block

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