Product Name::Marine Mooring Tee Head Bollard/ Cast Steel/Iron Bollard
Place of origine:Qingdao China
Process:Lost wax investment casting+CNC machined
Inspection100% inspection before delivery, SGS inspection
Standard:ASTM. AISI. DIN. BS. JIS. NF. AS.
Material:alloy steel ,carbon steel ,stainless steel
Machining:Turning, milling, drilling, grinding, threading, CNC machining, etc.
Carbon steel: AISI 1020, AISI 1035, AISI 1045, GrD( Q235), Gr50 ( Q 345)
Alloy Steel: AISI 1053, AISI A387Cr. 12, 20CrMo, AISI 4137, AISI 4140, AISI 4340, AISI 431, 20 CrMnMo
Stainless steel: ASTM 304, ASTM 304L, ASTM 316, ASTM 316L
2. Process: Precision casting and machining
3. Quality Control:
Our company have a large number of the Quality Control Engineers, and we also have a lot of high precision testing equipment. Such as: Three coordinate measuring system, spectrograph, Optical Brinell hardness tester, tensile testing machine, air-gauge, Dial bore gauges, Inside Micrometer etc.
4. Our advantage:
1). We are one of the leading exporters with a history of more than 20 years, enjoying an excellent reputation and keep a good relationship with many foreign companies, especially in Japan, Europe, America and Southeast Asia.
2). We have a lot of the high precise Machining equipment and high precision testing equipment, our manufactory also have a large number of the engineers. We can provide the best products and the best service for you.
1). The delivery time and the package can be controled according to the customers' requirement completely.
2). We will produce the products seriously according to the drawings, and make sure all the products is suitable for the custoners.
3). We will communicate with the customers all the time about the products, we will send the pictures to the customers, so that they can know the Processing process
6.Our Inspection Equipment:
Direct-reading spectrograph,metallographic microscope,hardness tester,brinell hardness tester,thermometric indicator,universal testing machine,carbon and silicon analysis meter,magnetic powder flaw detector,digital ultrasonic flaw detector etc.
1).Your inquiry related to our products or prices will be replied in 12 hours.
2).Individual formula according to customers' special drawing requests.
3).Manufacturer with large capacity,ensures the fast production cycle after
confirming the order.
4).Protection of sales area and private information for all of our customers.
Our machining shop located in Qingdao using the latest CNC equipment to provide our customer with high quality products.
Horizontal and Vertical Machining Center
CNC lathe and normal lathe
CNC drilling and milling Center
Other assistant equipment
Investment casting Precision casting Lost wax casting
Surface finishment: Ra 12.5um
Size tolerance: CT7-CT9
Weight range: 0.1-100kg
stainless steel, carbon steel, alloy steel, heat-resistant steel,
hardend steel,mild steel
Agricultural Machinery,Automotive & Railway Industry,Hydraulic Valves & Cylinders,Engineering & Construction Machinery,Municipal Machinery ,Marine Industry,Mining Machinery
powder coating, sand blasting, painting, polishing, acid pickling, anodizing, enamel, zinc plating, hot-dip galvanizing, electrophoresis, chrome plating.
Direct-reading spectrometer,Metallurgical structure analysis,Three-dimensional machine,Pre-Furnace carbon and sulfur analyzer,optical projecto,Tensile testing machine,Inspection gauge,Hardness Test Machine