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antispark combination wrench

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Brand: BoFang
型号: 6mm-120mm
规格: non sparking safety tools
Price: 2.50USD/1
Min.Order: 1 1
Supply 3000 1
Delivery: Shipment within 3 days since the date of payment
Address: China
Valid until: Never Expire
Updated on: 2012-09-12 09:47
Hits: 2521781
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Company Detail
 
 
Details
Non sparking safety tools , al- bronze and be-bronze material , combination wrench , spanners
Cangzhou Bohai Safety & Special Tools Co., Ltd

1.What is a "non-sparking" tool? 
"Non-sparking", "spark reduced", "spark-resistant" or "spark-proof" tools are names given to tools made of metals such as brass, bronze, Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze). 
Commonly used hand tools are often manufactured of steel alloys. Preferred "non-sparking" metals have less tensile strength than steels usually used to make tools. A lower tensile strength means the metal has less 
strength or resistance to tearing apart when stretched under test conditions. It also means that these tools are softer, wear down more
 quickly than ordinary steel tools, and have to be dressed more frequently.

2.T
he processing procedure
  Al-bronze  (HRC≥25°b>75-85kgf/mm² )  
  Be-bronze(HRC≥35°b>105-120kgf/mm²)
  1) To prepare the raw material, blanking
  2) Smelting
  3) Pouring
  4) Cut the water gap
  5) Stored in the semi finished products warehouse
  6) Punching
  7) Through the drawbench or slotting machine
  8) PE plain end and chamfering
  9) Drill hole
  10) Perfect the product and marking
  11)If Be-bronze, need heat treatment
  12) Polishing
  13) Surface treatment
  14)Stored in the finished products warehouse

     

3.Application field
These tools can avoid to rise sparking when tools strike,rub or collide with target in explosive atmosphere or flammble vapours and wide used in hazardous environment where flammable and combustible vapors liquids gas dusts are present such as petroleum industry,chemical industry ,power generation ,railroad ,and mining etc.

       
4.Production method
(1) casting
(2) forging            
   Solid forging die
   Machinery forgings, including freedom of die forgings and precision forging

 5.Surface preparation
                                
 electrostatic spraying (spray coating)
 Essential color (rue colors )
  Passivation treatment (passivating treatment)

6.Material Information
Non Sparking Tools
We offer Non-Sparking Tools for application in explosive potential environments. All its tools are forged after casting to achieve the best quality tools in the market, both in mechanical properties and attractive finishing.
We offer two kinds of material for its non sparking tools, copper beryllium alloy(Cu-Be) and Aluminium Bronze (Al-Br) alloy:
Copper Beryllium Alloy
Composition
Be:
 1.8% - 2%
Ni:
 0.2% - 0.5%
Others:
 <0.5%
Rest:
 Cu
Hardness
 35 - 40 HRC
Tensile Strength
1250 N/mm2
Aluminium Bronze Alloy
Composition
Al:
 8% - 10%
Ni:
 2% - 5%
Fe:
 1.5% - 3%
Others:
 <0.5%
Rest:
 Cu
Hardness
 25 - 3- HRC
Tensile Strength
 800 N/mm2
 
Properties and Features
Among the features and properties of the alloy that our Non sparking tools offer are: Non Sparking tools can avoid to rise sparking when tools strike,rub or collide with target in explosive atmosphere or flammble vapours and wide used in hazardous environment where flammable and combustible vapors liquids gas dusts are present such as petroleum industry,chemical industry ,power generation ,railroad ,and mining etc.
USE
The non-sparking tools are mainly used in hazardous environment where flammable and combustible vapors liquids gas dusts are present such as petroleum industry ,chemical industry,power generation,railroad,and mining etc.


7. About us
We are leading manufacture specialized in designing and manufacturing different kinds of forging wrench in China with the experience of more than 30 years manufacturing according to the ISO9001:2008 quality control system guidelines. We help our customer develop special wrench for their application and OEM service offered.


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