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
  1. Metals Handbook Ninth Edition, American Society for Metals, Metals Park, OH
  2. ASTM E 1025-94
  3. 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.
  4. All Hastelloy Alloys are registered trademarks of Cabot Corp., Boston, MA
  5. All Haynes Alloys are registered trademarks of Union Carbide Corp., New York, NY


Choosing 2% IQIs and Block Thinkness

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