Inconel UNS N07718 Pipe

Inconel UNS N07718 Pipe is a precipitation hardening nickel based high-temperature alloy with excellent high-temperature strength, corrosion resistance, fatigue resistance, and structural stability. HT PIPE is a inconel 718 seamless Pipe supplier with 15+ export experience. Contact us for more information and quotes for free!

2.4668 seamless tube chemical composition

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr
Inconel 718	0.08 max	0.35 max	0.35 max	0.015 max	0.30 max	-	50.00 - 55.00	17.00 - 21.00

 

Mechanical Properties of Inconel 718 Pipe

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
718	8.14 g/cm3	1400 °C (2550 °F)	Psi – 80,000 , MPa – 550	Psi – 32,000 , MPa – 220	30 %

 

Standards Specification Inconel 718 Tube

ASTM Specification	AMS 5590, AMS 5589
International Specification	WERKSTOFF Nr 2.4668 , UNS N07718
Standard	GB, DTD, ASME, AISI, ASTM, TOCT, JIS, NF, SAE, DIN, AMS, DS, EN
Size of Seamless Pipe	Wall thickness.: 0.05- 20 milimeter, 4 - 219 milimeter
Size of Welded Pipe	5.0 to 1219.02 milimeter
size of EFW Pipe	5.0 to 1219.02 milimeter
Seamless Tube Size	3.35 milimeter To 101.6 milimeter OD
Welded Tube Size	6.35 milimeter To 152 milimeter OD
Bwg & Swg	18 Swg., 14 20 Swg., Swg. Swg., 12 16 Swg., 10 Swg.
Tubing wall thickness	0.020" –0.220", (custom wall thicknesses available)
Pipe Schedule	SCH20, XS, STD, XXS, SCH60, SCH140, SCH80, SCH80, SCH5, SCH40S, SCH40, SCH120, SCH10S, SCH10, SCH30, SCH160
Length	Standard & Cut length , Single Random, Double Random Pipe
Finish	AP (Annealed & Pickled), BA (Bright & Annealed), NO.1, 2B, Polished, MF, HL, NO.4, Mirror finish, BA, 8K etc
End	Plain End, Beveled End, Treaded Pipe, Screwed ends
Form	Hydraulic, Rectangular, Coiled, Square, Hollow, Round, Straight Pipes/tubes, "U" Shape, Pan Cake Coils, Boiler, LSAWetc.
Application	Dairy Pipe, Oil Pipe/tube, Gas Pipe/tube, Fluid Pipe/tube, Boiler Tube, Heat exchanger Tube
Type	Seamless /ERW/ EFW / Welded / Fabricated /CDW /DOM/CEW Inconel 718 Pipe
Marking	Heat No. (Or as per need.), Thickness, OD, Grade, Standard Length

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Inconel UNS N07718 Pipe forming process

Seamless pipe forming: Inconel 718 pipe use hot extrusion technology, the extrusion temperature is controlled at 1050-1100 ℃, and the extrusion ratio is not less than 5:1 to ensure the compactness of the pipe structure. Subsequent refinement of grain size through cold rolling or cold drawing, controlling wall thickness tolerance and dimensional accuracy.

 

Welding tube forming (only applicable to specific low-pressure scenarios): Plasma arc welding or tungsten inert gas welding (GTAW) is used, and ERNiFCr-2 or ERNiCrMo-4 welding materials are selected. Preheating to 150-200 ℃ is required before welding, and solution treatment is carried out after welding to eliminate the brittle structure of the welding heat affected zone.

 

Applications of alloy 718 pipe

• Petroleum Refining - recuperators, catalytic recovery systems
• Power Generation - pulverized coal burners
• Industrial Machineries
• Chemical Plants
• Gas & Water Pipe Line
• Oil & Gas Exploration
• Petrochemicals and Refineries
• Thermal, Nuclear and Solar Power Plants

 

Size From Astm B163 Alloy 718 Welded Pipe

Pipe WT	ASME SB163 Alloy 718 Pipe OD	Sch	in.0	Kg/m
mm	mm
1.065	13.072	10S	1/4	0.05
2.024	13.072	40S	1/4	0.064
3.002	13.072	80S	1/4	0.081
1.065	17.015	10S	3/8	0.064
2.031	17.015	40S	3/8	0.086
3.02	17.015	80S	3/8	1.012
2.011	21.034	10S	1/2	1.002
2.077	21.034	40S	1/2	1.029
3.073	21.034	80S	1/2	1.065
2.011	26.067	10S	3/4	1.03
2.087	26.067	40S	3/4	1.071
3.091	26.067	80S	3/4	2.023
2.077	33.04	10S	1	2.013
3.038	33.04	40S	1	2.054
4.055	33.04	80S	1	3.029
6.0352)	33.04	160	1	4.03
2.077	42.016	10S	1 1/4	2.073
3.056	42.016	40S	1 1/4	3.044
4.085	42.016	80S	1 1/4	4.053
6.0352)	42.016	160	1 1/4	5.069
2.077	48.026	10S	1 1/2	3.016
3.068	48.026	40S	1 1/2	4.011
5.008	48.026	80S	1 1/2	5.049
2.077	60.033	10S	2	3.099
3.091	60.033	40S	2	5.052
5.054	60.033	80S	2	7.06
8.0742)	60.033	160	2	11.029
3.005	73.003	10S	2 1/2	5.035
5.016	73.003	40S	2 1/2	8.077
7.001	73.003	80S	2 1/2	11.059
3.005	88.09	10S	3	6.056
5.049	88.09	40S	3	11.047
7.062	88.09	80S	3	15.051
11.0132)	88.09	160	3	21.067
3.005	101.06	10S	3 1/3	7.053
5.074	101.06	40S	3 1/3	13.078
8.008	101.06	80S	3 1/3	18.092
3.005	114.03	10S	4	8.05
6.002	114.03	40S	4	16.032
8.056	114.03	80S	4	22.067
13.0492)	114.03	160	4	34.005
6.055	141.03	40S	5	22.01
9.053	141.03	80S	5	31.044
15.0882)	141.03	160	5	49.087
3.04	168.028	10S	6	14.004
7.011	168.028	40S	6	28.069
10.097	168.028	80S	6	43.021
14.027	168.028	120	6	54.075
18.0262)	168.028	160	6	68.059
8.018	219.008	40S	8	43.02
12.07	219.008	80S	8	65.063
18.023	219.008	120	8	91.03
23.0012)	219.008	160	8	112.097

 

Weight Table ASME SB163 Alloy 718 Seamless Tube

Avarage Wall inches	Outside Diameter inches	Internal Area (in2)	Inside Diameter inches	D/t Ratio	Tube Cross Sectional Area (in2)
0.002	0.025	0.00346	0.021	12.05	0.00145
0.0028	0.025	0.00296	0.0194	8.093	0.00195
0.0035	0.025	0.00254	0.018	7.014	0.00236
0.0049	0.025	0.00181	0.0152	5.01	0.00309
0.0065	0.025	0.00113	0.012	3.085	0.00378
0.002	0.0375	0.00881	0.0335	18.075	0.00223
0.0028	0.0375	0.00799	0.0319	13.039	0.00305
0.0035	0.0375	0.00731	0.0305	10.071	0.00374
0.0049	0.0375	0.00603	0.0277	7.065	0.00502
0.0065	0.0375	0.00471	0.0245	5.077	0.00633
0.002	0.05	0.01662	0.046	25	0.00302
0.0028	0.05	0.01548	0.0444	17.086	0.00415
0.0035	0.05	0.01452	0.043	14.029	0.00511
0.0049	0.05	0.01213	0.0402	10.02	0.00694
0.0065	0.05	0.01075	0.037	7.069	0.00888
0.0083	0.05	0.00876	0.0334	6.002	0.01087
0.002	0.0625	0.02688	0.0585	31.025	0.0038
0.0028	0.0625	0.02543	0.0569	22.032	0.00525
0.0035	0.0625	0.02419	0.0555	17.086	0.00649
0.0049	0.0625	0.02181	0.0527	12.076	0.00887
0.0065	0.0625	0.01924	0.0495	9.062	0.01144
0.0083	0.0625	0.01655	0.0459	7.053	0.01413
0.0095	0.0625	0.01486	0.0435	6.058	0.01582
0.0109	0.0625	0.01301	0.0407	5.073	0.01767
0.0028	0.075	0.03783	0.0694	26.079	0.00635
0.0035	0.075	0.03632	0.068	21.043	0.00786
0.0049	0.075	0.03339	0.0652	15.031	0.01079
0.0065	0.075	0.03019	0.062	11.054	0.01399
0.0083	0.075	0.02679	0.0584	9.004	0.01739
0.0095	0.075	0.02463	0.056	7.089	0.01955
0.0109	0.075	0.02223	0.0532	6.088	0.02195
0.012	0.075	0.02043	0.051	6.025	0.02375
0.002	0.0875	0.05476	0.0835	43.075	0.00537
0.0028	0.0875	0.05268	0.0819	31.025	0.00745
0.0035	0.0875	0.0509	0.0805	25	0.00924
0.0049	0.0875	0.04742	0.0777	17.086	0.01272
0.0065	0.0875	0.04359	0.0745	13.046	0.01654
0.0083	0.0875	0.03948	0.0709	10.054	0.02065
0.0095	0.0875	0.03685	0.0685	9.021	0.02328
0.0109	0.0875	0.0339	0.0657	8.003	0.02623
0.012	0.0875	0.031617	0.0635	7.029	0.02846
0.0028	1	0.06999	0.0944	35.071	0.00855
0.0035	1	0.06793	0.093	28.057	0.01061
0.0049	1	0.0639	0.0902	20.041	0.01464
0.0065	1	0.05945	0.087	15.038	0.01909
0.0083	1	0.05463	0.0834	12.005	0.02391
0.0095	1	0.05153	0.081	10.053	0.02701
0.0109	1	0.04803	0.0782	9.017	0.03051
0.012	1	0.04536	0.076	8.033	0.03318
0.0134	1	0.04208	0.0732	7.046	0.03646
0.0035	1.025	1.00936	1.018	35.071	0.01336
0.0049	1.025	1.00423	1.0152	25.051	0.01849
0.0065	1.025	0.09852	1.012	19.023	0.0242
0.0083	1.025	0.09229	1.0084	15.006	0.0316L3
0.0095	1.025	0.08825	1.006	13.016	0.03447
0.0109	1.025	0.08365	1.0032	11.047	0.03907
0.012	1.025	0.08012	1.001	10.042	0.0426
0.0134	1.025	0.07574	0.0982	9.033	0.04698
0.0035	1.05	1.06061	1.043	42.086	0.01611
0.0049	1.05	1.05438	1.0402	30.061	0.02234
0.0065	1.05	1.04741	1.037	23.008	0.0293
0.0083	1.05	1.03977	1.0334	18.007	0.03695
0.0095	1.05	1.03478	1.031	15.079	0.04193
0.0109	1.05	1.02908	1.0282	13.076	0.04763
0.012	1.05	1.02469	1.026	12.05	0.05202
0.0134	1.05	1.01921	1.0232	11.019	0.0575
0.0148	1.05	1.01385	1.0204	10.014	0.06286
0.0035	1.075	2.02167	1.068	50	0.01886
0.0049	1.075	2.08413	1.0902	40.082	0.03003
0.0065	1.075	2.00612	1.062	26.092	0.03441
0.0083	1.075	1.09706	1.0584	21.008	0.04347
0.0095	1.075	1.09113	1.056	18.042	0.04939
0.0109	1.075	1.08433	1.0532	16.006	0.05619
0.012	1.075	1.07908	1.051	14.058	0.06145
0.0134	1.075	1.0725	1.0482	13.006	0.06803
0.0148	1.075	1.06604	1.0454	11.082	0.07449
0.0165	1.075	1.05837	1.042	10.061	0.08216
0.0035	2	2.09255	1.093	57.014	0.02161
0.0049	2	2.08413	1.0902	40.082	0.03003
0.0065	2	2.07465	1.087	30.077	0.03951
0.0083	2	2.06417	1.0834	24.01	0.04999
0.0095	2	2.0573	1.081	21.005	0.05685
0.0109	2	2.04941	1.0782	18.035	0.06475
0.012	2	2.04328	1.076	16.067	0.07087
0.0134	2	2.03561	1.0732	14.093	0.07855
0.0148	2	2.02805	1.0704	13.051	0.08611
0.0165	2	2.01904	1.067	12.012	0.09512

 

 

 

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