We produce the thermocouple protection tube for many years which in made of high temperature metal ceramics and stellite alloy , The material was researched by professor Li Rongjiu in Northeastern University who has been engaged in this filed for more than 30 years , we bought his technology and produce it exclusive .
powder metallurgy Stellite cobalt-chromium alloy temperature sensor fast thermocouple protection tube
Over View of Main Physical Properties
1. Good electrical insulation
2. High mechanical strength
3. Excellent wear resistance
4.Low dielectric constant
Nominal composition (mass%) and physical properties
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Co
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Cr
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W
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C
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Others
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Hardness
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Density
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Melting range
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Base
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27-31
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3.5-5.5
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0.9-1.4
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Ni, Fe, Si, Mn, Mo
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38-44HRC
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8.35g/cm³
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1280-1410ºC
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Q1: What is the Warranty for the cobalt alloy products ?
A1: We own high precision grading machine to control geometry dimensions and apply ultra fine grain size substrate coated with high performance coatings to guarantee the lifetime of our products, which can satisfy every working condition.If any quality problems on our side occurred in this period , we will take on the shipping cost and replacement.
Q2: Do you provide free samples?
A2: Yes, usually we provide free samples for testing under the condition of freight paid by customer.
Q3: What is your minimum order requirement?
A3: We will indicate the MOQ for each item in the quotation sheet. We accept the sample and trial order. If the quantity of single item can't reach the MOQ, the price should be sample price.
Q4: What is the delivery time of your products?
A4: It depends on the inventory availability.If items needed are in stock, the delivery time would be within 8 work days, but if not the delivery time would be around 20 work days.
Q5: Can you manufacture stellite Special-shaped products?
A5: Yes, we can. We can produce both standard end mills and special tools. We can make them according to your drawings and samples.
Q6: May I have my order working schedule ?
A6: Yes, we will send working schedule of your order each week. We will inspect and test all merchandise in case of damaging and missing parts before shipment. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.
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