SYTOP cobalt base alloys is a range of cobalt-chromium-tungsten alloys with wear resistance, corrosion and high thermal resistance. It is
widely used in oil & gas, machinery, wood cutting, automotive,
paper and food processing industry etc.
| Material Choose | Typical Application | Process |
| ST 6 | Steam and chemical valve seat , oil and gas pump sleeve, ,butterfly
valve bushing ,hot-dip galvanized production line used bushing etc. | investment casting
|
| ST 3 | Pump sleeve ,rotary ring , valve seats |
| ST12 | Extrusion die , hot impact die and saw teeth |
| ST 100 | Extrusion die , hot-impact die and saw teeth |
| ST 20 | Pump sleeves , rotary rings , bearing sleeves , valve balls |
Chemical compositions and properties (%)
| Brand | C | Mn | Si | Cr | Ni | Mo | W | Co | Fe | P | S | Density (g/cm3) | Hardness (HRC) |
| ST 3 | 2.0-2.7 | 1.0 | 1.0 | 29-33 | 3.0 | | 11-14 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.55 | 51-55 |
| ST 6 | 0.9-1.4 | 1.0 | 1.5 | 27-31 | 3.0 | 1.5 | 3.5-5.5 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.35 | 38-44 |
| ST 12 | 1.1-1.7 | 1.0 | 1.0 | 28-32 | 3.0 | | 7.0-9.5 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.40 | 44-49 |
| ST 20 | 2.2-3.0 | | 2.0 | 30-34 | 3.0 | 1.0 | 14-18 | Bal. | 3.0 | ≤0.05 | ≤0.05 | 8.65 | 53-59 |
| Tantung-G 25 | 2.2-2.8 | 1-3 | | 27-32 | 7 | Ta/Nb | 14-19 | Bal. | 2-5 | | | 8.84 | 57-60 |
| Tantung-G35 | 3.3-3.8 | 1-3 | | 27-32 | 7 | Ta/Nb | 14-19 | Bal. | 2-5 | | | 8.80 | 60-63 |
| Tribaloy 400 | 0.04 | | 2.5-2.7 | 8-10 | | 27-29 | | Bal. | | | | | 55 |
| Tribaloy 800 | 0.04 | | 3.2-3.6 | 16-18 | | 27-29 | | Bal. | | | | | 58 |
Production process of our thermowell tube
1. Powder metallurgy process
A. Better metallurgical structure, better strength
B. Various types of automatic pressing machines from 3 tons to 630
tons. The ordered profiles can be very flexible.
2. Investment casting process
Different volume of furnaces, the order quantity can be very
flexible.
3. Machining
CNC, lathing, drilling, milling, grinding, wire cutting, polishing
Product Features
Great wear and corrosion resistance and high temperature resistance
.
Production process
Powder metallurgy pocess. It has better strength than casting parts, better granule
structure and avoiding the troubles caused by casting defects.
Company activity :
Related products :
shipment and package
FAQ
| Q1: What is the Warranty for our 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 Special-shaped products? |
| A5: Yes, we can. We can produce both standard and special prosucts.
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. |
Our service
Research and development(R &D):
We have a mature technical team that can assist customers to
develop new products and grow together;
Design:
We can provide free design according to the samples or drawings
provided by customers;
Customer service:
We can provide complete customer service support, including
logistics, technical services, equipment commissioning etc;
Processing:
We can provide OEM manufacturing services according to customer’s
demand.
Note: The price is determined by the design drawings and mould size , please provide the drawings or sample data to us, we will give you
a quote ASAP(within 8 hours).
Send your inquiry details right now !!!
