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The various characteristics of the valve connection
The various characteristics of the valve connection Views: 478    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: 431    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: 397    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: 325    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: 429    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
How does a seamless copper pipe come from?
How does a seamless copper pipe come from? Views: 386    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: 341    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: 407    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: 423    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
What is the advantage of copper pipe?
What is the advantage of copper pipe? Views: 497    Jun 25 , 2017 Copper water pipe --- green treasures When we have just set foot on the journey of life, when we are still in the innocent childhood, parents counsel always sounded in the ear: "tap water can not drink directly, otherwise it will get... Read More
What is the copper rod and copper wire production process?
What is the copper rod and copper wire production process? Views: 422    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 is copper casting? What is the nature of copper TP2?
What is copper casting? What is the nature of copper TP2? Views: 320    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
How does the miscellaneous copper cast?
How does the miscellaneous copper cast? Views: 346    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 are copper fasteners?
What are copper fasteners? Views: 526    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
What are the characteristics of lead-free brass?
What are the characteristics of lead-free brass? Views: 314    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
What is tin green phosphor bronze, tin bronze, phosphor bronze?
What is tin green phosphor bronze, tin bronze, phosphor bronze? Views: 387    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
Brass fittings Pipeline abbreviation code
Brass fittings Pipeline abbreviation code Views: 462    Apr 09 , 2018 Pipe: q8 \# G: O. _" _0 U. s0 rEL 弯头Elbow' w, r" Q' m0 y+ l: k; N9 e, aELL 长半径弯头Long radius elbow ELS 短半径弯头Short radius elbow  MEL 斜接弯头(虾米腰弯头)Mitre elbow  REL... Read More
Common fittings, pipe fittings in Chinese and English
Common fittings, pipe fittings in Chinese and English Views: 301    Apr 08 , 2018 常用管件, 管道配件中英文对照    管件  P 管子 Pipe         EL 弯头 Elbow ELL 长半径弯头 Long radius elbow              ... Read More
How to distinguish between surface blackened copper bars and magnesia?
How to distinguish between surface blackened copper bars and magnesia? Views: 321    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
12 secrets of machining tough materials on small CNC machines
12 secrets of machining tough materials on small CNC machines Views: 349    May 21 , 2017 Machining difficult materials like Titanium and Stainless Steel is a scary business if you own a smaller CNC machine.  Even doing aluminum versus plastics and woods can be daunting.  Our article on machining aluminum for CNC... Read More

Recent News

5 Benefits of Brass Plumbing Fittings
Apr 09 , 2019
Brass plumbing fittings are just one of the many different types available on the market today. Brass is an...
​Early copper-zinc alloys​
Apr 07 , 2019
In West Asia and the Eastern Mediterranean early copper-zinc alloys are now known in...
History of brass
Apr 06 , 2019
Although forms of brass have been in use since prehistory, its true nature as a copper-zinc alloy was not...

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