T8217 Explosion-proof flat file

【Material】 Beryllium bronze 【Use】 In flammable and explosive places, filing or trimming the surface, groove and inner hole of metal workpieces 【Manufacturing process】 Die forging products 【Executive standard】 QB/T 2569 There are two kinds of materials: one is beryllium copper alloy, and the other is beryllium copper alloy explosion-proof T tool, which is made of military materials and precious rare metals. The surface of the tool is also yellow after being made. The hardness of the working face is above HRC35°. The tensile strength δ b>105-120kgf/mm2. In the space of flammable gas hydrogen (concentration 21%), it can be used continuously and quickly without any spark explosion due to impact (bump), friction, or falling hammer. Beryllium copper alloy explosion-proof tools also have a special anti-magnetic function. It can be used normally in a working environment with a magnetic field.

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T8217 Explosion-proof flat file

Details

number L
inch
L
mm
B
mm
H
mm
BE-CU
g
T8217-02 6 150 16 4 75
T8217-04 8 200 21 4.5  160
T8217-06 10 250 25 6 282
T8217-08 12 300 30 6.5  455
T8217-10 14 350 32 8 675
T8217-12 16 400 32 9.5  925

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