EDM Wire - Relevant Forms

Wire Strength and Cutting

Hardness Tensile Strength Elongation Cutting Selection
kg/ N/ PSI %
Hard >100 >980 >14,400 <2 Surface straighten cutting
Medium hard 60-70 ≒650 ≒9,400 <5 Tape cutting under 10 degree
Soft 45-60 ≒445 ≒6,400 >20 Tape cutting between 7~30 degree

Spool-Type, Size, Package and Wire Weight

Type Wire Weight Size(m/m) Package
Kg lbs a w d D h
P-3 3.0 6.6 10 110 82 130 20 4#/Ct.
P-5 5.0 11.0 12 114 90 160 20 4#/Ct.
P-10 10.0 22.0 12 134 90 200 30 2#/Ct.
P-15 20 44.0 15 140 110 250 34 1#/Ct.
D-125 3.5 7.7 12 125 82 125 30 4#/Ct.
D160 6.5 14.3 15 160 100 160 22 4#/Ct.
D-200 15 33.0 19 200 120 200 22 1#/Ct.

Wire Diameter and Length in Spool

Diameter Length in Spool(m)
(m/m) (inch) P-3 P-5 P-10 P-15 D-125 D-160 D-200
0.10 0.004 ----- ----- ----- ----- ----- -----
0.15 0.006 ----- ----- ----- ----- ----- -----
0.20 0.008
0.25 0.010
0.30 0.012