INCH PINS, SLEEVES, BLADES Comparison Chart
INCH PINS, SLEEVES, BLADES Hardness Conversion Table and DME Hardness Data
BODY CONDITION
HEAD CONDITION
ROCKWELL
ROCKWELL
HARDNESS RANGE OF DME STANDARDS
SHORE SCLERO- SCOPE NO.
TENSILE STRENGTH (APPROX. P.S.I.)
SHORE SCLERO- SCOPE NO.
TENSILE STRENGTH (APPROX. P.S.I.)
DESCRIPTION
DIAMETER
MATERIAL
HARDNESS
HARDNESS RANGE OF DME STANDARDS
BRINELL 3000 KG
BRINELL 3000 KG
C 150 KG LOAD
B 100 KG LOAD
C 150 KG LOAD
15-N SUPER- FICIAL
B 100 KG LOAD
15-N SUPER- FICIAL
EX Ejector Pins EX2 (1/32) through EX8 (7/64) EX Ejector Pins EX9 (1/8) through EX32 (31/64) lengths – 6" through 18" EX Ejector Pins EX9 (1/8) through EX32 (31/64) lengths – 25" through 36" EX Ejector Pins EX33 (1/2) through EX47 (1") THX Ejector Pins THX03 (3/64) through THX08 (7/64) THX Ejector Pins THX09 (1/8) through THX32 (31/64) lengths – 6" through 18" THX Ejector Pins THX33 (1/2) through THX47 (1")
–.0003 –.0006
Surface Core
65-74 HRC 40-45 HRC
Nitrided Minimum .001 deep
H13
Annealed
80 78 76 74 72 70 69 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40
96.5 96.0 95.5 95.0 94.5 94.0 93.5 93.0 92.5 92.0 91.5 91.0 90.5 90.0 89.5 89.0 88.5 88.0 87.5 87.0 86.5 86.0 85.5 85.0 84.5 84.0 83.5 83.0 82.5 82.0 81.5 81.0 80.5
362 352 342 332 322 313 305 297 290 283 276 270 265 260 255 250 245 240 235 230 201 197 192 187 183 179 174 170 167 163 156 149 143 137 131
39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 20 20
80.0 79.5 79.0 78.5 78.0 77.0 76.5 76.0 75.5 75.0 74.5 74.0 73.5 72.5 72.0 71.5 71.0 70.5 69.5 69.5
52 51 50 49 48 47 46 44 43 42 41
177,000 171,000 166,000 162,000 157,000 153,000 148,000 148,000 140,000 136,000 132,000
–.0003 –.0006
Surface Core
65-74 HRC 40-45 HRC
Nitrided Minimum .001 deep
H13
Annealed
–.0003 –.0008
Surface Core
65-74 HRC 40-45 HRC
Nitrided Minimum .001 deep
H13
Annealed
EX, THX EJECTOR PINS Surface Hardness
–.0003 –.0008 –.0003 –.0006
Surface Core Surface Core
65-74 HRC 40-45 HRC 65-74 HRC 50-55 HRC
Nitrided Minimum .001 deep Nitrided Minimum .001 deep
C CORE PINS
96 95 92 91 88 87 85 83 81 80 78 76 75 74 72 71 69 68 67 66 64 63 62 60 58 57 56 55 54
H13
Annealed
H13
Annealed
–.0003 –.0006
Surface Core
65-74 HRC 50-55 HRC
Nitrided Minimum .001 deep
H13
Annealed
— 129,000
40 38
126,000 123,000
EJP-IMH EJECTOR PINS EJB-IMH EJECTOR BLADE Core Hardness
–.0003 –.0008 –.0003 –.0008 –.0003 –.0005 –.0002 –.0008 +.0000 –.0010 +.0005 +.0000 +.0000 –.0010 +.0005 +.0000
Surface Core Surface Core
65-74 HRC 50-55 HRC 65-74 HRC 50-55 HRC
Nitrided Minimum .001 deep
H13
Annealed
614 600 587 573 560 547 534 522 509 496 484 472 460 448 437 426 415 404 393 382 372
— 120,000
–.0003 –.0006
Keyed Ejector Pins
H13
Nitrided
Annealed
37 36 35 34 34 31 30 29
117,000 115,000 112,000 108,000 108,000 98,000 95,000 93,000
100
EJP-IMH Close Tolerance Ejector Pins
M2
Core 58-62 HRC
Annealed
99 98 98 94 93 92 91 90 89 88 87 86 85 83 81 79 76 74
65 HRC MIN 40-45 HRC
MoldBasics Ejector Pins
H13
Core
301,000 291,000 282,000 273,000 264,000 255,000 246,000 237,000 229,000 221,000 214,000 207,000 200,000 194,000 188,000 182,000
CX CORE PINS, THX EJ. PINS, KEYED EJ. PINS Core Hardness
PCL PERFOR- MANCE CORE PINS
O.D.
O.D. I.D.
65-74 HRC 30-35 HRC
Nitrided O.D. Minimum .001 deep
S Ejector Sleeves
H13
Annealed
I.D.
— 90,000
O.D.
28 27 27 26
89,000 87,000 87,000 83,000
O.D. I.D.
65-74 HRC 65-74 HRC
Nitrided O.D. & I.D. Minimum .001 deep
SND Nitrided I.D. Ejector Sleeves
H13
Annealed
I.D.
Ejector Blades
M2
58-62 HRC
Annealed
— 81,000
3" length – Hard 6"-14" lengths – Annealed 3" length – Hard 6"-14" lengths – Annealed
25 24 23 22 21
79,000 76,000 73,000 71,000 67,000
+.0008 +.0003
C Core Pins
H13
Core 38-42 HRC
Through Hardened
EX EJECTOR PINS
+.0008 +.0003
Core Hardness
CX High Hardness Core Pins
H13
Core 50-55 HRC
Through Hardened
— 65,000
Moldstar 150 ® Beryllium-free, Copper-based alloy (C18000)
+.0010
PCL Performance High Conductivity Core Pins
90-98 HRB
not applicable
not applicable
–.0000
+.0000 –.001
Surface Core Surface Core
65-74 HRC 40-55 HRC 65-74 HRC 40-45 HRC
Nitrided Minimum .001 deep Nitrided Minimum .001 deep
Return Pins
H13
Annealed
+.000 –.001
Sprue Puller Pins
H13
Annealed
334
335
U.S. 800-626-6653 ■ Canada 800-387-6600 ■ www.dme.net ■ store.dme.net
U.S. 800-626-6653 ■ Canada 800-387-6600 www.dme.net ■ store.dme.net
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