Hole Type
Specifications
JEM Manufacturing Corp. hole-type IQI's are color coded by material for ease in sorting. All JEM IQI's are electrochemically marked with material and specification.
DENSITY (1)
gm/cm 3 | MATERIAL
GROUP | MATERIAL
SYMBOL | MATERIALS | JEM
COLOR |
| 1.76 | 03 | MG | Magnesium (pure) | Black |
| 1.77 | 03 | MG | Magnesium [Alloy AZ31] | Black |
| 2.699 | 02 | AL | Aluminum (pure) | Blue |
| 2.70 | 02 | AL | Aluminum [Alloy 6061] | Blue |
| 4.43 | 01 | TI | Titanium (pure) | Gold |
| 4.50 | 01 | TI | Titanium Alloy [Ti-6Al-4V] | Gold |
| 7.871 | 1 | FE | Carbon Steel [UNS 10006] | Orange |
| 8.0 | 1 | SS | Stainless Steel [Type 304, 303] | Red |
| 8.17 | 2 | AB | Aluminum Bronze (95Cu-5Al) | Silver |
| 8.19 | 3 | IN | Inconel Alloy 718(3) | Brow |
| 8.22 | 4 | NI [HX]2 | HASTELLOY X(4) | Green |
| 8.42 | 3 | IN | Inconel Alloy 600(3) | Brown |
| 8.47 | 4 | NI | Monel K-500(3) | Green |
| 8.53 | 4 | BR | Brass (70Cu-30Zn) | Green |
| 8.83 | 4 | NI | Monel 400(3) (66.5Ni-31.5 Cu) | Green |
| 8.89 | 4 | NI | Nickel 200 (99%pure) | Green |
| 8.94 | 4 | CU | Copper (99.99%pure, C10100) | Green |
| 8.94 | 4 | CU | Copper-Nickel (70Cu-30Ni) | Green |
| 8.80 | 5 | [BZ]2 | Tin Bronze 88Cu-8Sn-4Zn | White |
| 9.130 | 5 | CO | HAYNES Alloy No. 25(5) | White |
- Metals Handbook Ninth Edition, American Society for Metals, Metals Park, OH
- ASTM E 1025-94
- Inconel and Monel are the registered trademarks of The International Nickel Co, Inc., Huntington, WV 25720. Monel K-500 is nominally 66.5Ni-29.5Cu-2.7Al-0.6Ti.
- All Hastelloy Alloys are registered trademarks of Cabot Corp., Boston, MA
- All Haynes Alloys are registered trademarks of Union Carbide Corp., New York, NY
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Choosing 2% IQIs and Block Thickness
BLOCK THICKNESS
Thickness of specimen, weld, or object to be radiographed | | (INCH) | FRACTION
(OF INCH) | (MM) | | 0.250 | 1/4 | 6.35 | | 0.300 | 19/64 | 7.62 | | 0.312 | 5/16 | 7.87 | | 0.350 | 21/64 | 8.89 | | 0.375 | 3/8 | 9.53 | | 0.400 | 13/32 | 10.16 | | 0.435 | 7/16 | 11.05 | | 0.450 | 29/64 | 11.43 | | 0.500 | 1/2 | 12.70 | | 0.550 | 35/64 | 13.97 | | 0.560 | 9/16 | 14.22 | | 0.600 | 39/64 | 15.24 | | 0.625 | 5/8 | 15.88 | | 0.650 | 21/32 | 16.51 | | 0.688 | 11/16 | 17.46 | | 0.700 | 45/64 | 17.78 | | 0.750 | 3/4 | 19.05 | | 0.800 | 51/64 | 20.32 | | 0.810 | 13/16 | 20.57 | | 0.850 | 27/32 | 21.59 | | 0.875 | 7/8 | 22.23 | | 0.900 | 29/32 | 22.86 | | 0.935 | 15/16 | 23.75 | | 0.950 | 61/64 | 24.13 | | 1.000 | 1.000 | 25.40 | | 1.125 | 1 1/8 | 28.58 | | 1.250 | 1 1/4 | 31.75 | | 1.375 | 1 3/8 | 34.93 | | 1.500 | 1 1/2 | 38.10 | | 1.625 | 1 5/8 | 41.27 | | 1.750 | 1 3/4 | 44.45 | | 1.875 | 1 7/8 | 47.63 | | 2.00 | 2.000 | 50.80 | | 2.125 | 2 1/8 | 53.98 | | 2.250 | 2 1/4 | 57.15 | | 2.375 | 2 3/8 | 60.33 | | 2.500 | 2 1/2 | 63.50 | | |
IQI THICKNESS
2% of Thickness of specimen, weld, or object to be radiographed | | | IDENTIFICATION NUMBER | | (INCH) | (MM) | ASME
ASTM | MIL-271
SHIPS | ASTM E 1742
AMS | | 0.0050 | 0.1270 | 5 | .25 | .25 | | 0.0060 | 0.1524 | -- | .30 | -- | | 0.0062 | 0.1575 | 6 | -- | .31 | | 0.0070 | 0.1778 | -- | .35 | -- | | 0.0075 | 0.1905 | 7 | -- | .37 | | 0.0080 | 0.2032 | -- | .40 | -- | | 0.0087 | 0.2210 | 8 | -- | .43 | | 0.0090 | 0.2286 | -- | .45 | -- | | 0.0100 | 0.2540 | 10 | .50 | .50 | | 0.0110 | 0.2794 | -- | .55 | -- | | 0.0112 | 0.2845 | 11 | -- | .56 | | 0.0120 | 0.3048 | -- | .60 | -- | | 0.0125 | 0.3175 | 12 | -- | .62 | | 0.0130 | 0.3302 | -- | .65 | -- | | 0.0137 | 0.3493 | 14 | -- | .68 | | 0.0140 | 0.3556 | -- | .70 | -- | | 0.0150 | 0.3810 | 15 | .75 | .75 | | 0.0160 | 0.4064 | -- | .80 | -- | | 0.0162 | 0.4115 | 16 | -- | .81 | | 0.0170 | 0.4318 | -- | .85 | -- | | 0.0175 | 0.4445 | 17 | -- | .87 | | 0.0180 | 0.4572 | -- | .90 | -- | | 0.0187 | 0.4750 | 18 | -- | .93 | | 0.0190 | 0.4826 | -- | .95 | -- | | 0.0200 | 0.5080 | 20 | 1.0 | 1.0 | | 0.0225 | 0.5715 | 22 | 1.1 | 1.1 | | 0.0250 | 0.6350 | 25 | 1.2 | 1.2 | | 0.0275 | 0.6985 | 27 | 1.3 | 1.3 | | 0.0300 | 0.7620 | 30 | 1.5 | 1.5 | | 0.0325 | 0.8255 | 32 | 1.6 | 1.6 | | 0.0350 | 0.8890 | 35 | 1.7 | 1.7 | | 0.0375 | 0.9525 | 37 | 1.8 | 1.8 | | 0.0400 | 1.0160 | 40 | 2.0 | 2.0 | | 0.0425 | 1.0795 | 42 | 2.1 | 2.1 | | 0.0450 | 1.1430 | 45 | 2.2 | 2.2 | | 0.0475 | 1.2065 | 47 | 2.3 | 2.3 | | 0.0500 | 1.2700 | 50 | 2.5 | 2.5 | |
HOLE TYPE IMAGE QUALITY INDICATORS
TO ALL REFERENCE STANDARDS*
QUANTITY DISCOUNT ON EACH SIZE IQI AND MATERIAL
IQI's Complete thickness range with cases consist of the following sizes:
Aluminum; Steel and Stainless Steel; other materials on request
ASTM E 1742 / MIL-STD-453C
Thickness Range "A": .25, .31, .37, .43, .50, .56, .62, .68, .75, .81, .87, .93, 1.0, 1.1, 1.2, 1.3, 1.5, 1.6, 1.7, 1.8, 2.0, 2.1, 2.2, 2.3, 2.5
ASTM E 1742 / MIL-STD-453C
Thickness Range "B": 2.7, 3.0, 3.2, 3.5, 3.7, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0
MIL-STD-271F, NAVSHIPS 250-1500-1
Thickness Range "A": .25, .30, .35, .40, .45, .50, .55, .60, .65, .70, .75, .80, .85, .90, .95, 1.0, 1.1, 1.2, 1.3, 1.5, 1.6, 1.7, 1.8, 2.0, 2.1, 2.2, 2.3, 2.5
ASTM, ASME Sec. I, III, V, API 1104
Thickness Range "A": #5, #6, #7, #8, #10, #11, #12, #14, #15, #16, #17, #18, #20, #22, #25, #27, #30, #32, #35, #37, #40, #42, #45, #47, #50
ASTM, ASME Sec. I, III, V, API 1104
Thickness Range "B": #55, #60, #65, #70, #75, #80, #90, #100, #120, #140, #160