INCONEL® 718 Flange Bolt Disc Springs

INCONEL^® encompasses a family of nickel-chromium alloys including INCONEL^® 718. These alloys have high strength, weldability, and corrosion resistance at extreme temperature ranges. Temperatures for various applications can range from -400°F to 1300°F, depending on the alloy. (Registered trademark of the Special Metals Corporation)

Part Number	Bolt Size	OD	ID	THK	DISH	OAH	Spec Flat Load (lbf)	Torque (ft-lb)
FB1-30-718	1/2″	1.012	0.528	0.124	0.012	0.136	4158	30
FB1-45-718	1/2″	1.012	0.528	0.146	0.011	0.157	6222	45
FB1-60-718	1/2″	1.012	0.528	0.166	0.01	0.176	8314	60
FB2-30-718	5/8″	1.146	0.642	0.151	0.013	0.164	6691	60
FB2-45-718	5/8″	1.146	0.642	0.182	0.011	0.193	9914	90
FB2-60-718	5/8″	1.146	0.624	0.214	0.009	0.223	13187	120
FB3-30-718	3/4″	1.37	0.762	0.189	0.014	0.203	9829	100
FB3-45-718	3/4″	1.37	0.762	0.222	0.013	0.235	14791	150
FB3-60-718	3/4″	1.37	0.762	0.258	0.011	0.241	19644	200
FB4-30-718	7/8″	1.588	0.891	0.207	0.019	0.226	13139	160
FB4-45-718	7/8″	1.588	0.891	0.265	0.014	0.279	20312	240
FB4-60-718	7/8″	1.588	0.891	0.299	0.013	0.312	27092	320
FB5-30-718	1″	1.807	1.023	0.245	0.02	0.265	17846	245
FB5-45-718	1″	1.807	1.023	0.296	0.017	0.313	27223	368
FB5-60-718	1″	1.807	1.023	0.347	0.014	0.361	35492	490
FB6-30-718	1-1/8″	2.02	1.145	0.279	0.022	0.301	23223	355
FB6-45-718	1-1/8″	2.02	1.145	0.341	0.018	0.359	34692	533
FB6-60-718	1-1/8″	2.02	1.145	0.39	0.016	0.406	46132	710
FB7-30-718	1-1/4″	2.31	1.27	0.311	0.027	0.338	29430	500
FB7-45-718	1-1/4″	2.31	1.27	0.381	0.022	0.403	44090	750
FB7-60-718	1-1/4″	2.31	1.27	0.44	0.019	0.459	58648	1000
FB8-30-718	1-3/8″	2.47	1.401	0.345	0.027	0.372	36064	680
FB8-45-718	1-3/8″	2.47	1.401	0.423	0.022	0.445	54162	1020
FB8-60-718	1-3/8″	2.47	1.401	0.489	0.019	0.508	72265	1360
FB9-30-718	1-1/2″	2.678	1.527	0.378	0.029	0.407	43543	800
FB9-45-718	1-1/2″	2.678	1.527	0.468	0.023	0.491	65541	1200
FB9-60-718	1-1/2″	2.678	1.527	0.54	0.02	0.56	87550	1600
FB10-30-718	1-5/8″	2.948	1.648	0.416	0.032	0.448	51954	1100
FB10-45-718	1-5/8″	2.948	1.648	0.511	0.026	0.537	78239	1650
FB10-60-718	1-5/8″	2.948	1.648	0.586	0.023	0.618	104378	2200
FB11-30-718	1-3/4″	3.168	1.776	0.446	0.035	0.481	60782	1500
FB11-45-718	1-3/4″	3.168	1.776	0.55	0.028	0.578	91191	2250
FB11-60-718	1-3/4″	3.168	1.776	0.637	0.024	0.661	121432	3000
FB12-30-718	1-7/8″	3.392	1.902	0.481	0.037	0.518	70320	2000
FB12-45-718	1-7/8″	3.392	1.902	0.591	0.03	0.621	105762	3000
FB12-60-718	1-7/8″	3.392	1.902	0.626	0.028	0.654	117308	4000
FB13-30-718	2″	3.6	2.025	0.501	0.041	0.542	78381	2200
FB13-45-718	2″	3.6	2.025	0.637	0.031	0.668	121812	3300
FB13-60-718	2″	3.6	2.025	0.666	0.03	0.696	134727	4400
FB14-30-718	2-1/4″	4.04	2.282	0.585	0.043	0.628	104291	3180
FB14-45-718	2-1/4″	4.04	2.282	0.73	0.033	0.763	155522	4770
FB14-60-718	2-1/4″	4.04	2.282	0.757	0.033	0.79	173424	6360
FB15-30-718	2-1/2″	4.482	2.53	0.655	0.047	0.702	129928	4400
FB15-45-718	2-1/2″	4.482	2.53	0.805	0.038	0.843	195008	6600
FB15-60-718	2-1/2″	4.482	2.53	0.81	0.04	0.85	209120	8800
FB16-30-718	2-3/4″	4.919	2.777	0.695	0.056	0.751	153553	5920
FB16-45-718	2-3/4″	4.919	2.777	0.849	0.046	0.895	229930	8880
FB16-60-718	2-3/4″	4.919	2.777	0.932	0.04	0.972	264498	11840
FB17-30-718	3″	5.36	3.03	0.79	0.056	0.846	190155	7720
FB17-45-718	3″	5.36	3.03	0.973	0.045	1.018	285490	11580
FB17-60-718	3″	5.36	3.03	1.023	0.043	1.066	317055	15440
FB18-60-718	3-1/4″	5.4	3.29	1.115	0.037	1.152	374955	19295
FB19-30-718	3-1/2″	6.135	3.53	1.098	0.052	1.15	367627	20373
FB19-60-718	3-1/2″	6.135	3.53	1.202	0.047	1.249	435921	24157
FB20-30-718	3-3/4″	6.67	3.825	1.154	0.057	1.211	394582	23428
FB20-60-718	3-3/4″	6.67	3.825	1.291	0.052	1.343	503995	29925
FB21-60-718	4″	7.135	4.05	1.618	0.048	1.666	793074	50228

^* Torque values for sizes 1-1/8″ and larger are based on the 8-pitch thread series for flanged piping.
† 50,000 psi bolt stress