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What are the characteristics of lead-free brass?
What are the characteristics of lead-free brass? Views: 273    Aug 21 , 2017 Lead-free brass is also known as environmentally friendly copper, that meet the EU RoSH environmental standards or Japan SONY standard lead-free brass products. Environmental protection copper with antimony brass, bismuth brass, tin... Read More
The various characteristics of the valve connection
The various characteristics of the valve connection Views: 431    Sep 14 , 2017 First, the threaded connection valve This connection is usually the valve into the end of the pipe into the cone or straight pipe thread, can be connected to the tapered pipe thread joints or piping.... Read More
PRV Pressure release valve Features
PRV Pressure release valve Features Views: 381    Sep 14 , 2017 Quick Exhaust Valve Quick Exhaust Valve Features PRV Pressure release valve Features Rapid exhaust valve design is reasonable, simple structure, small size, large displacement, I plant on the basis of a large... Read More
​PT thread, NPT thread, G thread, metric thread
​PT thread, NPT thread, G thread, metric thread Views: 354    Sep 13 , 2017 NPT, PT, G are pipe threads NPT is National (American) Pipe Thread abbreviation, belonging to the US standard 60-degree cone pipe thread, for North America. National standards can be found in GB /... Read More
CNC machining center in the end there are several coordinate system?
CNC machining center in the end there are several coordinate system? Views: 288    Sep 13 , 2017 Absolute coordinate system, relative coordinate system, machine coordinate system, programming coordinate system, workpiece coordinate system CNC machining center in the end there are several coordinate system ah? Haha,... Read More
Drilling and milling machining center type analysis?
Drilling and milling machining center type analysis? Views: 393    Sep 11 , 2017 It is well known that the drilling and milling center is a cutting metal CNC machine tool, derived from the traditional metal cutting machine - vertical machining center, covers an area and the processing stroke is smaller than... Read More
What is tin green phosphor bronze, tin bronze, phosphor bronze?
What is tin green phosphor bronze, tin bronze, phosphor bronze? Views: 349    Jun 24 , 2017 Tin phosphor bronze has a higher corrosion resistance, wear resistance, out when no sparks. For, medium speed, heavy load bearing, the maximum working temperature of 250 ℃. With automatic self-aligning on the skew is not sensitive to the... Read More
How to distinguish between surface blackened copper bars and magnesia?
How to distinguish between surface blackened copper bars and magnesia? Views: 290    Jun 24 , 2017 Sampling, respectively, adding dilute hydrochloric acid, if there are bubbles, then the magnesium, no bubbles for the copper bar. Sampling, igniting, combustible as magnesium, non-combustible for copper Klikkon... Read More
What are the effects of copper and iron?
What are the effects of copper and iron? Views: 295    Jun 24 , 2017 Collagen content of human body up to a protein, the main component of human connective tissue, bone core material. Collagen is like a few rope as twisted into a bunch of collagen fibers. When collagen fibers are formed, they must be... Read More
What are the characteristics of copper forging?
What are the characteristics of copper forging? Views: 321    Jun 24 , 2017 What is copper forged? What is the characteristics of copper forging? What is the use of copper forging? Purple copper forging Definition: Copper processing method A means that the use of forging machinery on the copper billet pressure to... Read More
What are the advantages of copper forging?
What are the advantages of copper forging? Views: 297    Jun 24 , 2017 Forging Advantages: For forged out parts, the product size is very high in size, so it is more conducive to batch production operations. Through the die forging, extrusion, stamping and other mold production to form the product size... Read More
What is the difference between the H and HR of the copper alloy?
What is the difference between the H and HR of the copper alloy? Views: 295    Jun 24 , 2017 Cold working condition (H) Copper and copper alloy cold processing is usually used cold-rolled and cold-drawn, individual cold forging and cold bending and other cold processing technology. After cold processing, some also need heat... Read More
How does the miscellaneous copper cast?
How does the miscellaneous copper cast? Views: 312    Jun 25 , 2017 Casting casting machine, the current widely used there are two casting machines, disc casting machine and linear casting machine. Disc Casting Machine Large-scale copper and copper production plant using the main casting equipment, linear... Read More
What is copper casting? What is the nature of copper TP2?
What is copper casting? What is the nature of copper TP2? Views: 285    Jun 25 , 2017 Melting the high-purity raw materials, the oxygen in the molten copper to produce oxygen with oxygen (P) deoxidation, so that the oxygen content reduced to 100ppm or less, thereby enhancing its ductility, corrosion resistance, thermal... Read More
What is the copper rod and copper wire production process?
What is the copper rod and copper wire production process? Views: 385    Jun 25 , 2017 Copper rods and copper production: before the 1970s, almost all of the copper is produced by batch production, the specific steps of the batch: the molten copper pouring and solidified into a "wire ingot" special cast pieces, and then... Read More
What are copper fasteners?
What are copper fasteners? Views: 460    Jun 26 , 2017 At present, copper type fastener type is very large, typical, common copper inserts, copper bolts, copper inserts, copper screws, copper nuts and so on, all made of copper material made of fasteners. At present, China's copper... Read More
How does a seamless copper pipe come from?
How does a seamless copper pipe come from? Views: 349    Jun 26 , 2017 Seamless brass Brass (also known as copper) - often water pipes, heating, cooling pipe installation tube texture hard, easy to corrosion, and high temperature, high pressure, can be used in a variety of environments. Brass set of... Read More
What is the difference between brass and copper hardness?
What is the difference between brass and copper hardness? Views: 301    Jun 26 , 2017 What is the difference between brass and copper hardness? W-B75 / BB75 series copper alloy Webster hardness tester can be on-site testing of copper and copper alloy hardness instrument. Test quickly, simple, a card can be directly... Read More
Steel and copper and copper alloy welding What is the cause of the crack?
Steel and copper and copper alloy welding What is the cause of the crack? Views: 371    Jun 25 , 2017 One is the effect of high thermal conductivity. Copper thermal conductivity than carbon steel 7 to 11 times, when the use of technical parameters and welding with the same thickness of carbon steel, the copper is difficult to melt, filled... Read More
The four welding methods of copper
The four welding methods of copper Views: 374    Jun 25 , 2017 Copper color was purple, so called copper. In the humid air copper surface will produce a layer of basic copper carbonate, commonly known as copper (copper). Copper often contains a small amount of bismuth, lead, sulfur, oxygen,... Read More

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