Double Open End Wrench 13pcs
Product Description
♣ Item: Double Open End Wrench 13pcs
♣ Material: Al-Br
Other Material: Be-Cu, carbons teel , 304 Stainless Steel
♣ Specs: (5.5*7,6*7,8*10,9*11,10*12,12*14,14*17,17*19,19*22,22*24,24*27,27*30,30*32)
Other Size: It's Customed
♣ Technology: Casting Foring Machining Polishing
♣ Character: Non Sparking Tools
♣ Surface treatment: Natural or Electrostatic spraying
♣ Application:Mainly used in Non Sparking
♣ you can buy with confidence
♣ Delivery time: According to the demand, we will arrange your order delivery
| 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 |
|
3.The processing procedure
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
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