Willie Washer - Technical Information

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Technical Information

Hardness Conversions | Raw Material Gauges | ISO Registration

Hardness Conversion Chart

Willie Washer offers a full range of hardened washers, not just the standard F436. We can heat treat to your most exact specifications whether you need through hardened special alloys, or case hardened low carbon steel.

C 150 kg	A 60 kg	15N 15 kg N	30N 30 kg N	Vickers 10 kg 136 Diamond	Knoop 500 gr & over	HB 3000 kg HV 10kg	Tensil Strength ksi
70	86.5	94.0	86.0	1076	972	-	-
69	86.0	93.5	85.0	1004	946	-	-
68	85.6	93.2	84.4	940	920	-	-
67	85.0	92.9	83.6	900	895	-	-
66	84.5	92.5	82.8	865	870	-	-
65	83.9	92.2	81.9	832	846	-	-
64	83.4	91.8	81.1	800	822	-	-
63	82.8	91.4	80.1	772	799	-	-
62	82.3	91.1	79.3	746	776	-	-
61	81.8	90.7	78.4	720	754	-	-
60	81.2	90.2	77.5	697	732	-	-
59	80.7	89.8	76.6	674	710	634	351
58	80.1	89.3	75.7	653	690	615	338
57	79.6	88.9	74.8	633	670	595	325
56	79.0	88.3	73.9	613	650	577	313
55	78.5	87.9	73.0	595	630	560	301
54	78.0	87.4	72.0	577	612	543	292
53	77.4	86.9	71.2	560	594	525	283
52	76.8	86.4	70.2	544	576	512	273
51	76.3	85.9	69.4	528	558	496	264
50	75.9	85.5	68.5	513	542	481	255
49	75.2	85.0	67.6	498	526	469	246
48	74.7	84.5	66.7	484	510	451	238
47	74.1	83.9	65.8	471	495	442	229
46	73.6	83.5	64.8	458	480	432	221
45	73.1	83.0	64.0	446	466	421	215
44	72.5	82.5	63.1	434	452	409	208
42	71.5	81.5	61.3	412	426	390	194
40	70.4	80.4	59.5	392	402	371	182
38	69.4	79.4	57.7	372	380	353	171
36	68.4	78.3	55.9	354	360	336	161
34	67.4	77.2	54.2	336	342	319	152
32	66.3	76.1	52.1	318	326	301	146
30	65.3	75.0	50.4	302	311	286	138
28	64.3	73.9	48.6	286	297	271	131
26	63.3	72.8	46.8	272	284	258	125
24	62.4	71.6	45.0	260	272	247	119
22	61.5	70.5	43.2	248	261	237	115
20	60.5	69.4	41.5	238	251	226	110

B 100 kg 1/16 ball	F 60 kg 1/16 ball	30 T 30 kg 1/16 ball	E 100 kg 1/8 ball	Knoop 500 gr & over	HB 3000 kg HV 10kg	Tensil Strength ksi
100	-	83.1	-	251	240	116
99	-	82.5	-	246	234	112
98	-	81.8	-	241	228	109
97	-	81.1	-	236	222	106
96	-	80.4	-	231	216	103
95	-	79.8	-	226	210	101
94	-	79.1	-	221	205	98
93	-	78.4	-	216	200	96
92	-	77.8	-	211	195	93
91	-	77.1	-	206	190	91
90	-	76.4	-	201	185	89
89	-	75.8	-	196	180	87
88	-	75.1	-	192	176	85
87	-	74.4	-	188	172	83
86	-	73.8	-	184	169	81
85	-	73.1	-	180	165	80
84	-	72.4	-	176	162	78
83	-	71.8	-	173	159	77
82	-	71.1	-	170	156	75
81	-	70.4	-	167	153	74
80	-	69.7	-	164	150	72
79	-	69.1	-	161	147	-
78	-	68.4	-	158	144	-
77	-	67.7	-	155	141	-
76	-	67.1	-	152	139	-
75	99.6	66.4	-	150	137	-
74	99.1	65.7	-	147	135	-
72	98.0	64.4	-	143	130	-
70	96.8	63.1	99.5	139	125	-
68	95.6	61.7	98.0	135	121	-
66	94.5	60.4	97.0	131	117	-
64	93.4	59.0	95.5	127	114	-
62	92.2	57.7	94.5	124	110	-
60	91.1	56.4	93.0	120	107	-
58	90.0	55.0	92.0	117	104	-
56	88.8	53.7	90.5	114	101	-
54	87.7	52.4	89.5	111	87	-
52	86.5	51.0	88.0	109	85	-
50	85.4	49.7	87.0	107	83	-
48	84.3	48.3	85.5	105	81	-
46	83.1	47.0	84.5	103	79	-
44	82.0	45.7	83.5	101	78	-
42	80.8	44.3	82.0	99	76	-
40	79.7	43.0	81.0	97	74	-
38	78.6	41.6	79.5	95	73	-
36	77.4	40.3	78.5	93	71	-
34	76.3	39.0	77.0	91	70	-
32	75.2	37.6	75.0	89	68	-
30	74.0	36.3	75.0	87	67	-
28	73.0	34.5	73.5	85	66	-
24	70.5	32.0	71.0	82	64	-
20	68.5	29.0	68.5	79	62	-
16	66.0	26.0	66.5	76	60	-
12	64.0	23.5	64.0	73	58	-
8	61.5	20.5	61.5	71	56	-
4	59.5	18.0	59.0	69	55	-
0	57.0	15.0	57.0	67	53	-

Willie Washer Manufacturing Corporation

2101 Greenleaf Avenue

Elk Grove Village, IL 60007 USA

(847) 956-1344

ISO 9001:2000 Registered