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	Coppers				High Performance Alloys				Brasses							Leaded Brasses		Tin Brasses
OLIN Alloy No.	102	110	122	1093	151	194	195	197	210	220	226	230	240	260	268	350	353	405	411	422	425
ASTM Spec. No.	B152	B152	B152	B152	B747	B465	B465	B465	B36	B36		B36	B36	B36	B36	B121	B121	B591	B591	B591	B591
Density	0.323	0.322	0.323	0.322	0.323	0.322	0.322	0.319	0.32	0.318	0.317	0.316	0.313	0.308	0.306	0.306	0.306	0.319	0.318	0.318	0.317
Mod. of Elast.	17	17	17	17	17	17	17	17	17	17	17	17	16	16	15	15	15	16	16	16	16
Elect. Cond.	101	101	85	101	95	60	50	80	56	44	40	37	32	28	27	26	26	41	32	31	28
Therm. Cond.	226	226	196	226	208	150	115	185	185	135	109	100	92	81	70	67	67	95	75	75	69
Coef. of Th. Exp.	9.8	9.8	9.8	9.8	9.7	9.6	9.6	10	10.2	10.3	10.4	10.6	11.1	11.3	11.3	11.3	11.3	10.2	10.2	10.2	10.2

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

ANNEALED	26-38	37-42	40-63	50-60	43-53	34-40	36-42	37-45	39-47	44-54	45-61	44-61	47-59	46-54	38-45	38-44	41-49	41-47
	10	13	38	28	23	10	12	15	13	20	21	23	23	21	16	14	19	17
1/4 HARD	34-42	40-45		60-72		37-47	40-50	42-52	44-54	48-58	49-59	49-59	49-59	49-59	41-53	42-54	47-57	49-59
	32	35		57		30	33	32	35	29	33	34	32	29	38	35	38	37
1/2 HARD	37-46	43-51	53-63	68-78	53-63	42-52	47-57	49-59	51-61	55-65	57-67	55-65	55-65	55-65	46-58	49-60	54-65	57-69
	37	42	45	71	48	44	47	50	48	42	51	44	46	42	43	49	55	58
3/4 HARD	41-50	47-56		75-85		46-56	52-62	55-65	57-67	61-71	64-74	62-72	62-72	62-72	52-64	55-66	60-72	62-74
	43	50		77		50	54	58	55	53	62	53	60	55	55	58	64	64
HARD	43-52	53-62	60-70	82-90	60-70	50-59	57-66	60-69	63-72	68-77	71-81	68-78	68-78	68-78	58-70	61-72	67-79	70-82
	45	56	60	83	60	53	58	62	61	61	72	57	68	67	63	64	71	72
EX. HD.	47-56	59-65	67-73		67-73	56-64	64-72	69-77	72-80	78-87	83-92	79-89	79-89	79-89	63-75	67-78	75-85	76-88
	50	60	67		67	59	63	70	68	68	83	67	79	78	68	70	75	79
SPRING	50-58	64-71	70-76	88-97	70-76	60-68	69-77	75-83	78-86	85-93	91-100	86-95	86-95	86-95	68-80	73-83	82-92	84-94
	52	66	70	88	70	63	68	76	72	76	86	71	84	84	73	75	82	90
EX. SPR.	52 Min		73-80		70-78	61-69	72-80	78-86	82-90	89-97	95-104	90-99	90-99	90-99	73-84	78 Min	88 Min.	92 Min
	51 Min		73		74	64	70	78	76	78	89	73	89	88	77	75 Min	82 Min	87 Min

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

ANNEALED	35	38	23	26	20 Min.	45	47	40	45	50	53	52	50	56	45	43	45	48
		49F				45F	65F	64F	71F	70F	75F	75F	80F	72F	61F	68F	72F	72F
1/4 HARD	23	22		14		30	27	28	27	26	46	42	44	48	34	23	29	35
	72F	32		71		36	41	44	47	51	52	52	52	52	46	47	56	59
1/2 HARD	20	15	17	6	17	17	12	19	14	18	30	36	28	35	27	13	16	20
	83F	37	59	78	66	50	58	61	63	66	68	65	65	65	59	61	70	70
3/4 HARD	14	8		3		9	6	9	8	10	16	25	16	21	17	7	7	15
	86F	47		81		57	64	68	71	74	77	75	75	75	67	69	76	79
HARD	9	4	7	2	7	5	4	6	7	4	10	19	9	12	10	6	4	9
	89F	57	71	83	69	62	70	73	76	80	82	80	80	80	72	74	80	85
EX. HD.	4	2	2		6	2 Max	2	4	4	2	3	7	4	6	7	4	2	6
	91F	60	74		72	68	75	78	81	86	88	86	86	86	75	79	83	90
SPRING	3	1 Min	2	2	5	2 Max	1 Min	3	3	1 Min	1 Min	5	3	4	5	3	2	4
	94F	62 Min	76	85	74	71	78	81	84	89	91	89	89	89	79	82	86	92
EX. SPR.	3 Max		2 Max		1 Min.	2 Max	1 Max	3 Max	2 Min	1 Max	1 Min	5 Max	1 Min	5 Max	4 Max	2 Max	2 Max.	2 Max
	92 MinF		77		75	72	80	83	86	90	93	90	90	90	81	80 Min	86 Min	92 Min

	PHOSPHOR BRONZES					High Performance Alloys					CUPRO-NICKELS		Cu-Ni-Sn	NICKEL SILVERS			BERYLLIUM COPPERS
OLIN Alloy No.	505	510	511	521	544	638	654	664	688	7025	706	715	725	752	762	770	17510	170	172
ASTM Spec. No.	B508	B103	B103	B103	B103	B422	B96	B694	B592	B422	B122	B122	B122	B122	B122	B122	B534	B194	B194
Density	0.321	0.32	0.32	0.318	0.321	0.299	0.309	0.317	0.296	0.318	0.323	0.323	0.321	0.316	0.31	0.314	0.319	0.304	0.302
Mod. of Elast.	17	16	16	16	15	17	17	16	17	19	18	22	20	18	18	18	20	19	19
Elect. Cond.	48	15	20	13	19	10	7	30	18	40	9	4.6	11	6	9	5.5	45	20	20
Therm. Cond.	120	40	48.4	36	50	22	21	67	47	98	26	17	31	19	24	17	100	45	45
Coef. of Th. Exp.	9.9	9.9	9.9	10.1	9.6	9.5	9.7	9.7	10.1	9.8	9.5	9	9.2	9	9	9.3	9.8	9.7	9.7

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

ANNEALED	38-42	46-56	46-54	56-65	45-52	77-87	75-90	58-68	77-87	90-110	43-50	52 Min	45-65	53-63	57-75	61-76	100-130	100 Min	100 Min
(TM00 / AM)	13	24	22	29	21	56		44	52	65-90	19	28	21	25	36	32	80-110	70-95	70-95
1/4 HARD	41-51	49-61	46-58	63-75	47-59	90-102	75-90	67-77	87-101		51-67	58-72	55-75	58-72	65-81	69-87		110 Min	110 Min
(TM01 / 1/4 HM)	30	37	35	48	38	82	60	65	76		53	47	73 Max	45	52	63		80-110	80-110
1/2 HARD	48-58	58-73	55-70	69-84	55-70	100-112	86-101	74-84	97-112	95-120	58-72	66-80	65-80	66-80	75-91	78-95		120 Min	120 Min
(TM02 / 1/2 HM)	47	57	56	63	57	93	79	76	92	85-110	63	68	68	63	70	78		95-125	95-115
3/4 HARD	54-64	68-79	67-82	80-92	63-74	105-117	97-112	79-89		100-125				74-86	83-98	88-101
(TM03)	57	68	72	77	66	99	92	81		95-120				75	82	92
HARD	59-69	76-91	72-87	85-100	72-87	114-126	108-120	83-93	106-120		71-83	75-88	75-90	78-91	90-105	92-107	110-140	135 Min	135 Min
(TM04 / HM)	62	81	76	86	77	108	101	85	101		75	78	80	82	89	98	100-130	110-135	110-135
EX. HD.	65-75	88-103	84-99	97-112	84-99	118-130	116-126	89-99	113-127		73-85	80-92	80-95	86-98	101-114	102-115		150 Min	150 Min
(TM05 / SHM)	68	93	88	99	88	112	109	89	108		76	83	85	91	98	107		125-145	125-145
SPRING	70-79	95-110	91-105	105-119	91-105	123-134	124-133	92-102	123-133		78-88	84-94	85-100	90-101	109-122	108-120	120-150	160 Min	160 Min
(TM06 / XHM)	72	100	94	106	88 Min	116	117	92	114		76 Min	86	90	93	105	112	110-140	135-160	135-170
EX. SPR.	75-84	100-114	96-109	110-122	96-109	130 Min	131-140	95-105	125 Min				90-105	96 Min	114 Min	116 Min		—	175 Min
(TM08 / XHMS)	77	104	98	110	88 Min	119 Min	124	93	112 Min				95	95 Min	102 Min	115 Min		—	150-175

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

ANNEALED	44	55	47	63	46	33		24	35	10 Min	35	30 Min	35	35	40	43	10 Min	18 Min	18 Min
(TM00 / AM)	69F	78F	75F	86F	71F	74 (30T)		97F	68 (30T)	—	75F	83F	50Max30T	85F	90F	87F	195-235H	220-260H	220-260H
1/4 HARD	33	41	36	50	33	16	33	13	19		12	17	5 Min	24	35	26		15 Min	16 Min
(TM01 / 1/4 HM)	48	60	46	74	46	94	81	79	90		64	74	85 Max	62	73	75		240-280H	240-280H
1/2 HARD	17	24	21	37	19	10	23	7	9	7 Min	5	6	10	14	18	14		12 Min	14 Min
(TM02 / 1/2 HM)	56	72	67	80	67	96	92	86	95	—	73	80	80	75	84	86		260-310H	260-310H
3/4 HARD	9	15	10	25	11	7	13	5		5 Min				8	10	8
(TM03)	68	82	78	89	77	98	95	85		—				81	88	90
HARD	5	10	7	21	6	4	6	4	4		1 Min	3	3	5	4	4	8 Min	9 Min	11 Min
(TM04 / HM)	73	88	85	93	85	99	97	87	97		81	86	82	85	92	93	220-290H	300-350H	300-350H
EX. HD.	3	4	3	13	3	3	4	4	2		1 Min	2	2	3	2	1 Min		9 Min	10 Min
(TM05 / SHM)	77	92	90	96	90	100	98	90	98		84	88	87	90	96	97
SPRING	2 Min	2 Min	3	6	4 Max	2	3	3	1 Min		1 Max	1 Min	1 Min	1 Min	1 Max	1 Max	1 Min	4 Min	5 Min
(TM06 / XHM)	81	95	92	98	92	100	100	90	99		87	89	90	92	98	98	220-290H
EX. SPR.	1 Min	2	2	4	4 Max	2 Max	2	3	2 Max				1 Max	2 Max	1 Max	1 Max		—	3 Min
(TM08 / XHMS)	83	96	93	99	93	100 Min	101	91	99 Min				91	92 Min	98 Min	98 Min		—

American Wire Gage Sizes

Gage No.	Steel	Stainless Steel	Aluminum
7	0.179	–	–
8	0.164	0.172	–
9	0.15	0.156	–
10	0.135	0.141	–
11	0.12	0.125	–
12	0.105	0.109	–
13	0.09	0.094	0.072
14	0.075	0.078	0.064
15	0.067	0.07	0.057
16	0.06	0.063	0.051
17	0.054	0.056	0.045
18	0.048	0.05	0.04
19	0.042	0.044	0.036
20	0.036	0.038	0.032
21	0.033	0.034	0.028
22	0.03	0.031	0.025
23	0.027	0.028	0.023
24	0.024	0.025	0.02
25	0.021	0.022	0.018
26	0.018	0.019	0.017
27	0.016	0.017	0.014
28	0.015	0.016	–
29	0.014	0.014	–
30	0.012	0.013	–
31	–	0.011	–

Sheet Metal Gage Conversion Chart (inches)

AWG #	Decimal Size
0	0.3249
2	0.2576
4	0.2043
6	0.162
8	0.1285
10	0.1019
12	0.0807
14	0.0642
16	0.0508
18	0.0402
20	0.0319



22	0.0252
24	0.0201
26	0.0157
28	0.0126
30	0.0098
32	0.0079
34	0.0063
36	0.0051
38	0.0039
40	0.0031

Galvanic corrosion potential is a measure of how dissimilar metals will corrode when placed against each other in an assembly. Metals close to one another on the chart generally do not have a strong effect on one another, but the farther apart any two metals are separated, the stronger the corroding effect on the one higher in the list.

This list represents the potential available to promote a corrosive reaction, however the actual corrosion in each application is difficult to predict. Typically, the presence of an electrolyte (eg. water) is necessary to promote galvanic corrosion. Please see chart below.

Galvanic Corrosion Chart
Magnesium	Anodic
Magnesium Alloys	(least noble)
Zinc	Corroded
Beryllium
Aluminum 1100, 3003, 3004, 5052, 6053
Cadmium
Aluminum 2017, 2024, 2117
Mild Steel 1018, Wrought Iron
HSLA Steel, Cast Iron
Chrome Iron (active)
430 Stainless (active)
302, 303, 321, 347, 410, 416 Stainless Steel(active)
Ni-Resist
316, 317 Stainless (active)
Carpenter 20Cb-3 Stainless (active)
Aluminum Bronze (CA687)
Hastelloy C(active) Inconel 625(active) Titanium(active)
Lead/Tin Solder
Lead
Tin
Inconel 600 (active)
Nickel (active)
60% Ni 15% Cr (active)
80% Ni 20% Cr (active)
Hastelloy B (active)
Naval Brass (CA464), Yellow Brass (CA268)	Direction
Red Brass (CA230), Admiralty Brass (CA443)	of attack
Copper (CA102)
Manganese Bronze(CA675), Tin Bronze(CA903, 905)
410, 416 Stainless(passive) Phosphor Bronze(CA521, 524)
Silicon Bronze (CA651, 655)
Nickel Silver (CA 732, 735, 745, 752, 754, 757, 765, 770, 794
Cupro Nickel 90-10
Cupro Nickel 80-20
430 Stainless (passive)
Cupro Nickel 70-30
Nickel Aluminum Bronze (CA630, 632)
Monel 400, K500
Silver Solder
Nickel (passive)
60% Ni 15% Cr (passive)
Iconel 600 (passive)
80% Ni 20% Cr (passive)
Chrome Iron (passive)
302, 303, 304, 321, 347 Stainless (passive)
316, 317 Stainless (passive)
Carpenter 20Cb-3 Stainless (passive), Incoloy 825 (passive)
Silver
Titanium (passive), Hastelloy C & C276 (passive)
Graphite
Zirconium	Cathodic
Gold	(most noble)
Platinum	Protected

Element	Sym
Actinium	Ac
Aluminum	Al
Americium	Am
Antimony	Sb
Argon	Ar
Arsenic	As
Astatine	At
Barium	Ba
Berkelium	Bk
Beryllium	Be
Bismuth	Bi
Boron	B
Bromine	Br
Cadmium	Cd
Calcium	Ca
Californium	Cf
Carbon	C

Element	Sym
Cerium	Ce
Cesium	Cs
Chlorine	Cl
Chromium	Cr
Cobalt	Co
Copper	Cu
Curium	Cm
Dysprosium	Dy
Einsteinium	Es
Erbium	Er
Europium	Eu
Fermium	Fm
Fluorine	F
Francium	Fr
Gadolinium	Gd
Gallium	Ga
Germanium	Ge

Element	Sym
Gold	Au
Hafnium	Hf
Helium	He
Holmium	Ho
Hydrogen	H
Indium	In
Iodine	I
Iridium	Ir
Iron	Fe
Krypton	Kr
Lanthanum	La
Lawrencium	Lr
Lead	Pb
Lithium	Li
Lutetium	Lu
Magnesium	Mg
Manganese	Mn

Element	Sym
Mendelevium	Md
Mercury	Hg
Molybdenum	Mo
Neodymium	Nd
Neon	Ne
Neptunium	Np
Nickel	Ni
Niobium	Nb
Nitrogen	N
Nobelium	No
Osmium	Os
Oxygen	O
Palladium	Pd
Phosphorus	P
Platinum	Pt
Plutonium	Pu
Polonium	Po

Element	Sym
Potassium	K
Praseodymium	Pr
Promethium	Pm
Protactinium	Pa
Radium	Ra
Radon	Rn
Rhenium	Re
Rhodium	Rh
Rubidium	Rb
Ruthenium	Ru
Samarium	Sm
Scandium	Sc
Selenium	Se
Silicon	Si
Silver	Ag
Sodium	Na
Strontium	Sr

Element	Sym
Sulfur	S
Tantalum	Ta
Technetium	Tc
Tellurium	Te
Terbium	Tb
Thallium	Tl
Thorium	Th
Thulium	Tm
Tin	Sn
Titanium	Ti
Uranium	U
Vanadium	V
Wolfram	W
Xenon	Xe
Ytterbium	Yb
Yttrium	Y
Zinc	Zn
Zirconium	Zr

Drill Size		Decimal Equiv.
80	=	0.0135
79	=	0.0145
1/64	=	0.0156
78	=	0.016
77	=	0.018
76	=	0.02
75	=	0.021
74	=	0.0225
73	=	0.024
72	=	0.025
71	=	0.026
70	=	0.028
69	=	0.0292
68	=	0.031
1/32	=	0.0313
67	=	0.032
66	=	0.033
65	=	0.035
64	=	0.036
63	=	0.037
62	=	0.038
61	=	0.039
60	=	0.04
59	=	0.041
58	=	0.042
57	=	0.043
56	=	0.0465
3/64	=	0.0469
55	=	0.052
54	=	0.055
53	=	0.0595
1/16	=	0.0625
52	=	0.0635
51	=	0.067

Drill Size		Decimal Equiv.
50	=	0.07
49	=	0.073
48	=	0.076
5/64	=	0.0781
47	=	0.0785
46	=	0.081
45	=	0.082
44	=	0.086
43	=	0.089
42	=	0.0935
3/32	=	0.0938
41	=	0.096
40	=	0.098
39	=	0.0995
38	=	0.1015
37	=	0.104
36	=	0.1065
7/64	=	0.1094
35	=	0.11
34	=	0.111
33	=	0.113
32	=	0.116
31	=	0.12
1/8	=	0.125
30	=	0.1285
29	=	0.136
28	=	0.1405
9/64	=	0.1406
27	=	0.144
26	=	0.147
25	=	0.1495
1/23	=	0.152
23	=	0.154
5/32	=	0.1563

Drill Size		Decimal Equiv.
22	=	0.157
21	=	0.159
20	=	0.161
19	=	0.166
18	=	0.1695
11/64	=	0.1719
17	=	0.173
16	=	0.177
15	=	0.18
14	=	0.182
13	=	0.185
3/16	=	0.1875
12	=	0.189
11	=	0.191
10	=	0.1935
9	=	0.196
8	=	0.199
7	=	0.201
13/64	=	0.2031
6	=	0.204
5	=	0.2055
4	=	0.209
3	=	0.213
7/32	=	0.2188
2	=	0.221
1	=	0.228
A	=	0.234
15/64	=	0.2344
B	=	0.238
C	=	0.242
D	=	0.246
1/4 (E)	=	0.25
F	=	0.257
G	=	0.261

Drill Size		Decimal Equiv.
17/64	=	0.2656
H	=	0.266
I	=	0.272
J	=	0.277
K	=	0.281
9/32	=	0.2813
L	=	0.29
M	=	0.295
19/64	=	0.2969
N	=	0.302
5/16	=	0.3125
O	=	0.316
P	=	0.323
21/64	=	0.3281
Q	=	0.332
R	=	0.339
11/32	=	0.3438
S	=	0.348
T	=	0.358
23/64	=	0.3594
U	=	0.368
3/8	=	0.375
V	=	0.377
W	=	0.386
25/64	=	0.3906
X	=	0.397
Y	=	0.404
13/32	=	0.4063
Z	=	0.413
27/64	=	0.4219
7/16	=	0.4375
29/64	=	0.4531
15/32	=	0.4688
31/64	=	0.4844

Drill Size		Decimal Equiv.
1/2	=	0.5
33/64	=	0.5156
17/32	=	0.5313
35/64	=	0.5469
9/16	=	0.5625
37/64	=	0.5781
19/32	=	0.5938
39/64	=	0.6094
5/8	=	0.625
41/64	=	0.6406
21/32	=	0.6563
43/64	=	0.6719
11/16	=	0.6875
45/64	=	0.7031
23/32	=	0.7188
47/64	=	0.7344
3/4	=	0.75
49/64	=	0.7656
25/32	=	0.7813
51/64	=	0.7969
13/16	=	0.8125
53/64	=	0.8281
27/32	=	0.8438
55/64	=	0.8594
7/8	=	0.875
57/64	=	0.8906
29/32	=	0.9063
59/64	=	0.9219
15/16	=	0.9375
61/64	=	0.9531
31/32	=	0.9688
63/64	=	0.9844

Tap Drill Sizes (inch) for a 75% Thread

You can find the tap-drill for any size 60 degree thread, subtract one pitch length from the major diameter

English Example for 3/8-16 thread: .375 – .0625 = .3125 tap-drill (5/16)

Metric Example for M6 X 1 thread: 6mm – 1mm = 5mm tap-drill

Tap Size	Thread Form	Tap Drill
0-80	UNF	3/64
1-64	UNC	53
1-72	UNF	53
2-56	UNC	50
2-64	UNF	50
3-48	UNC	47
3-56	UNF	45
4-40	UNC	43
4-48	UNF	42
5-40	UNC	38
5-44	UNF	37
6-32	UNC	36
6-40	UNF	33
8-32	UNC	29
8-36	UNF	29

Tap Size	Thread Form	Tap Drill
10/24	UNC	25
10-32	UNF	21
12-24	UNC	16
12-28	UNF	14
14-20	UNS	10
14-24	UNS	7
1/4-20	UNC	7
1/4-28	UNF	3
5/16-18	UNC	F
5/16-24	UNF	I
3/8-18	UNC	5/16
3/8-20	UNF	Q
7/16-14	UNC	U
7/16-20	UNF	25/64
1/2-13	UNC	27/64

Tap Size	Thread Form	Tap Drill
1/2-20	UNF	29/64
9/16-12	UNC	31/64
9/16-18	UNF	33/64
5/8-11	UNC	17/32
5/8-18	UNF	37/64
11/16-11	UNS	19/32
11/16-16	UNS	5/8
3/4-10	UNC	21/32
3/4-16	UNF	11/16
7/8-9	UNC	49/64
7/8-14	UNF	13/16
1/8	UNC	7/8
1/12	UNF	59/64
1-14	UNS	15/16

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

TENSILE STRENGTH x 1000 PSI (Kgf/mm2 = KSI x .7031)

YIELD STRENGTH x 1000 PSI (Nominal 0.2% offset) (Kgf/mm2 = KSI x .7031)

American Wire Gage Sizes

Sheet Metal Gage Conversion Chart (inches)

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