ESt (Castarc) Arc-Welding Rods

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319 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Fitting Type

Adapter

Bridge the gap between pipe with different fitting connections

202 products

Threading

Threaded

Screw onto pipe and fittings with compatible threads and genders

202 products

Threading

Unthreaded

Weld pipe and fittings together or join with sealant

117 products

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Also known as Schedule 40, this pipe is designed for low-pressure applications. Use in noncorrosive applications.

Pipe Adapters—Threaded on One End

Male

Welded—Pipe has a weld bead on the inside.

	Lg.	Construction	Pipe Schedule	Material		Each
NPT Male × Butt Weld/Socket Connect/Weld Socket Male







				1/8 Pipe Size

				1"	Welded	40	Steel	7753K211	00000


				1 1/2"	Welded	40	Steel	7753K111	0000
				2"	Welded	40	Steel	7753K121	0000
				2 1/2"	Welded	40	Steel	7753K212	0000
				3"	Welded	40	Steel	7753K131	0000
				4"	Welded	40	Steel	7753K141	0000
				5"	Welded	40	Steel	7753K215	0000
				6"	Welded	40	Steel	7753K151	0000
				8"	Welded	40	Steel	7753K217	0000
				12"	Welded	40	Steel	7753K161	0000
				36"	Welded	40	Steel	7750K24	00000


				60"	Welded	40	Steel	7750K27	00000




						1/4 Pipe Size

						1"	Welded	40	Steel	7753K219	0000


						1 1/2"	Welded	40	Steel	7753K112	0000
						2"	Welded	40	Steel	7753K122	0000
						2 1/2"	Welded	40	Steel	7753K221	0000
						3"	Welded	40	Steel	7753K132	0000
						3 1/2"	Welded	40	Steel	7753K222	0000
						4"	Welded	40	Steel	7753K142	0000
						5"	Welded	40	Steel	7753K224	0000
						6"	Welded	40	Steel	7753K152	0000
						8"	Welded	40	Steel	7753K226	0000
						10"	Welded	40	Steel	7753K227	0000


						12"	Welded	40	Steel	7753K162	00000
						36"	Welded	40	Steel	7750K25	00000
						60"	Welded	40	Steel	7750K28	00000




								3/8 Pipe Size

								1"	Welded	40	Steel	7753K228	0000


								1 1/2"	Welded	40	Steel	7753K113	0000
								2"	Welded	40	Steel	7753K123	0000
								2 1/2"	Welded	40	Steel	7753K229	0000
								3"	Welded	40	Steel	7753K133	0000
								3 1/2"	Welded	40	Steel	7753K231	0000
								4"	Welded	40	Steel	7753K143	0000
4 1/2"								Welded	40	Steel	7753K232	0000
5"	Welded							40	Steel	7753K233	0000
6"	Welded							40	Steel	7753K153	0000
8"	Welded							40	Steel	7753K235	0000


10"	Welded	40	Steel					7753K236	0000
12"	Welded	40	Steel					7753K163	00000
36"	Welded	40	Steel					7750K26	00000
60"	Welded	40	Steel					7750K29	00000




		1/2 Pipe Size

		1"	Welded					40	Steel	7753K237	0000


		1 1/2"	Welded					40	Steel	7753K114	0000
		2"	Welded					40	Steel	7753K124	0000
		2 1/2"	Welded					40	Steel	7753K238	0000
		3"	Welded					40	Steel	7753K134	0000
		3 1/2"	Welded					40	Steel	7753K239	0000
		4"	Welded					40	Steel	7753K144	0000
		4 1/2"	Welded					40	Steel	7753K241	0000
		5"	Welded					40	Steel	7753K242	0000
		5 1/2"	Welded					40	Steel	7753K243	0000
		6"	Welded	40				Steel	7753K154	0000


		8"	Welded	40	Steel			7753K244	0000
		10"	Welded	40	Steel			7753K245	0000
		12"	Welded	40	Steel			7753K164	00000
		36"	Welded	40	Steel			7750K391	00000
		60"	Welded	40	Steel			7750K431	00000




				3/4 Pipe Size

				1 1/2"	Welded			40	Steel	7753K115	0000


				2"	Welded			40	Steel	7753K125	0000
				2 1/2"	Welded			40	Steel	7753K247	0000
				3"	Welded			40	Steel	7753K135	0000
				3 1/2"	Welded			40	Steel	7753K248	0000
				4"	Welded			40	Steel	7753K145	0000
				4 1/2"	Welded			40	Steel	7753K249	0000
				5"	Welded			40	Steel	7753K251	0000
				5 1/2"	Welded			40	Steel	7753K252	0000
				6"	Welded	40		Steel	7753K155	0000
				8"	Welded	40	Steel	7753K253	0000


				10"	Welded	40	Steel	7753K254	0000
				12"	Welded	40	Steel	7753K165	00000
				36"	Welded	40	Steel	7750K392	00000
				60"	Welded	40	Steel	7750K432	00000




						1 Pipe Size

						1 1/2"	Welded	40	Steel	7753K116	0000


						2"	Welded	40	Steel	7753K126	0000
						2 1/2"	Welded	40	Steel	7753K256	0000
						3"	Welded	40	Steel	7753K136	0000
						3 1/2"	Welded	40	Steel	7753K257	0000
						4"	Welded	40	Steel	7753K146	0000
						4 1/2"	Welded	40	Steel	7753K258	0000
5"						Welded	40	Steel	7753K259	0000
5 1/2"	Welded					40	Steel	7753K261	0000
6"	Welded					40	Steel	7753K156	00000
8"	Welded					40	Steel	7753K262	00000


10"	Welded					40	Steel	7753K263	00000
12"	Welded					40	Steel	7753K166	00000
36"	Welded					40	Steel	7750K393	00000
60"	Welded					40	Steel	7750K433	00000




						1 1/2 Pipe Size

						2"	Welded	40	Steel	7753K128	0000


						2 1/2"	Welded	40	Steel	7753K265	0000
						3"	Welded	40	Steel	7753K138	0000
						3 1/2"	Welded	40	Steel	7753K266	0000
						4"	Welded	40	Steel	7753K148	0000
						4 1/2"	Welded	40	Steel	7753K267	00000
						5"	Welded	40	Steel	7753K268	00000
						5 1/2"	Welded	40	Steel	7753K269	00000
		6"				Welded	40	Steel	7753K158	00000
		8"	Welded			40	Steel	7753K271	00000
		10"	Welded			40	Steel	7753K272	00000


		12"	Welded			40	Steel	7753K168	00000
		36"	Welded			40	Steel	7750K395	00000
		60"	Welded			40	Steel	7750K435	000000




						2 Pipe Size

						2"	Welded	40	Steel	7753K129	0000


						2 1/2"	Welded	40	Steel	7753K273	0000
						3"	Welded	40	Steel	7753K139	0000
						3 1/2"	Welded	40	Steel	7753K274	00000
						4"	Welded	40	Steel	7753K149	00000
						4 1/2"	Welded	40	Steel	7753K275	00000
						5"	Welded	40	Steel	7753K276	00000
						5 1/2"	Welded	40	Steel	7753K277	00000
						6"	Welded	40	Steel	7753K159	00000
				8"		Welded	40	Steel	7753K278	00000
				10"	Welded	40	Steel	7753K279	00000


				12"	Welded	40	Steel	7753K169	00000
				36"	Welded	40	Steel	7750K396	00000
				60"	Welded	40	Steel	7750K436	000000




						2 1/2 Pipe Size

						2"	Welded	40	Steel	7753K281	00000


						2 1/2"	Welded	40	Steel	7753K282	00000
						3"	Welded	40	Steel	7753K283	00000
						3 1/2"	Welded	40	Steel	7753K284	00000
						4"	Welded	40	Steel	7753K285	00000
						4 1/2"	Welded	40	Steel	7753K286	00000
						5"	Welded	40	Steel	7753K287	00000
						5 1/2"	Welded	40	Steel	7753K288	00000
						6"	Welded	40	Steel	7753K171	00000
						8"	Welded	40	Steel	7753K289	00000
10"						Welded	40	Steel	7753K291	00000


12"	Welded					40	Steel	7750K317	00000
36"	Welded					40	Steel	7750K397	000000
60"	Welded					40	Steel	7750K437	000000




						3 Pipe Size

						2"	Welded	40	Steel	7753K292	00000


						2 1/2"	Welded	40	Steel	7753K293	00000
						3"	Welded	40	Steel	7753K294	00000
						3 1/2"	Welded	40	Steel	7753K295	00000
						4"	Welded	40	Steel	7753K296	00000
						4 1/2"	Welded	40	Steel	7753K297	00000
						5"	Welded	40	Steel	7753K298	00000
						5 1/2"	Welded	40	Steel	7753K299	00000
						6"	Welded	40	Steel	7753K172	00000
						8"	Welded	40	Steel	7753K311	00000
		10"				Welded	40	Steel	7753K312	00000


		12"	Welded			40	Steel	7750K318	00000
		36"	Welded			40	Steel	7750K398	000000
		60"	Welded			40	Steel	7750K438	000000




						4 Pipe Size

						3"	Welded	40	Steel	7753K313	00000


						3 1/2"	Welded	40	Steel	7753K314	00000
						4"	Welded	40	Steel	7753K315	00000
						4 1/2"	Welded	40	Steel	7753K316	00000
						5"	Welded	40	Steel	7753K317	00000
						5 1/2"	Welded	40	Steel	7753K318	00000
						6"	Welded	40	Steel	7753K173	00000
						8"	Welded	40	Steel	7753K319	00000
						10"	Welded	40	Steel	7753K321	00000
						12"	Welded	40	Steel	7750K319	00000
				36"		Welded	40	Steel	7750K399	000000


				60"	Welded	40	Steel	7750K439	000000




						6 Pipe Size

						6"	Welded	40	Steel	7753K322	000000


						12"	Welded	40	Steel	7753K323	000000

Standard-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Weld this unthreaded pipe to fittings and additional lengths of pipe. Welded connections are stronger than threaded connections and less likely to leak. Pipe is also known as Schedule 40. Use in noncorrosive environments.

Pipe—Unthreaded

Butt Weld/Socket

Connect/Weld Socket

Welded—Pipe has a weld bead on the inside.

	Lg.	Construction	Pipe Schedule	Material		Each
Butt Weld/Socket Connect/Weld Socket







				1/8 Pipe Size

				1"	Welded	40	Steel	1120T11	00000


				1 1/2"	Welded	40	Steel	1120T12	0000
				2"	Welded	40	Steel	1120T13	0000
				3"	Welded	40	Steel	1120T14	0000
				4"	Welded	40	Steel	1120T15	0000
				6"	Welded	40	Steel	1120T16	00000
				8"	Welded	40	Steel	1120T17	00000
				1 ft.	Welded	40	Steel	1120T76	00000
				3 ft.	Welded	40	Steel	1120T77	00000
				5 ft.	Welded	40	Steel	1120T78	00000




						1/4 Pipe Size

						1"	Welded	40	Steel	1120T18	0000


						1 1/2"	Welded	40	Steel	1120T19	0000
						2"	Welded	40	Steel	1120T21	0000
						3"	Welded	40	Steel	1120T22	00000
						4"	Welded	40	Steel	1120T23	00000
						6"	Welded	40	Steel	1120T24	00000
						8"	Welded	40	Steel	1120T25	00000
						1 ft.	Welded	40	Steel	1120T79	00000
						3 ft.	Welded	40	Steel	1120T81	00000
						5 ft.	Welded	40	Steel	1120T82	00000




								3/8 Pipe Size

								1"	Welded	40	Steel	1120T26	0000


								1 1/2"	Welded	40	Steel	1120T27	0000
								2"	Welded	40	Steel	1120T28	0000
								3"	Welded	40	Steel	1120T29	00000
								4"	Welded	40	Steel	1120T31	00000
								6"	Welded	40	Steel	1120T32	00000
								8"	Welded	40	Steel	1120T33	00000
								1 ft.	Welded	40	Steel	1120T83	00000
								3 ft.	Welded	40	Steel	1120T84	00000
								5 ft.	Welded	40	Steel	1120T85	00000




										1/2 Pipe Size

										1"	Welded	40	Steel	1120T34	0000


1 1/2"	Welded									40	Steel	1120T35	0000
2"	Welded									40	Steel	1120T36	0000
3"	Welded									40	Steel	1120T37	0000
4"	Welded	40								Steel	1120T38	0000
6"	Welded	40	Steel							1120T39	0000
8"	Welded	40	Steel							1120T41	00000
1 ft.	Welded	40	Steel							7750K111	00000
3 ft.	Welded	40	Steel							7750K191	00000
5 ft.	Welded	40	Steel							7750K231	00000




		3/4 Pipe Size

		1"	Welded							40	Steel	1120T42	0000


		1 1/2"	Welded							40	Steel	1120T43	0000
		2"	Welded							40	Steel	1120T44	0000
		3"	Welded							40	Steel	1120T45	0000
		4"	Welded							40	Steel	1120T46	0000
		6"	Welded	40						Steel	1120T47	00000
		8"	Welded	40	Steel					1120T48	00000
		1 ft.	Welded	40	Steel					7750K112	00000
		3 ft.	Welded	40	Steel					7750K192	00000
		5 ft.	Welded	40	Steel					7750K232	00000




				1 Pipe Size

				1 1/2"	Welded					40	Steel	1120T49	0000


				2"	Welded					40	Steel	1120T51	0000
				3"	Welded					40	Steel	1120T52	00000
				4"	Welded					40	Steel	1120T53	00000
				6"	Welded					40	Steel	1120T54	00000
				8"	Welded					40	Steel	1120T55	00000
				1 ft.	Welded	40				Steel	7750K113	00000
				3 ft.	Welded	40	Steel			7750K193	00000
				5 ft.	Welded	40	Steel			7750K233	00000




						1 1/4 Pipe Size

						1 1/2"	Welded			40	Steel	1120T56	0000


						2"	Welded			40	Steel	1120T57	0000
						3"	Welded			40	Steel	1120T58	00000
						4"	Welded			40	Steel	1120T59	00000
						6"	Welded			40	Steel	1120T61	00000
						8"	Welded			40	Steel	1120T62	00000
						1 ft.	Welded			40	Steel	7750K114	00000
						3 ft.	Welded	40		Steel	7750K194	00000
						5 ft.	Welded	40	Steel	7750K234	00000




								1 1/2 Pipe Size

								1 1/2"	Welded	40	Steel	1120T63	0000


								2"	Welded	40	Steel	1120T64	00000
								3"	Welded	40	Steel	1120T65	00000
								4"	Welded	40	Steel	1120T66	00000
								6"	Welded	40	Steel	1120T67	00000
								8"	Welded	40	Steel	1120T68	00000
1 ft.								Welded	40	Steel	7750K115	00000
3 ft.	Welded							40	Steel	7750K195	00000
5 ft.	Welded							40	Steel	7750K235	000000




								2 Pipe Size

								1 1/2"	Welded	40	Steel	1120T69	00000


								2"	Welded	40	Steel	1120T71	00000
								3"	Welded	40	Steel	1120T72	00000
								4"	Welded	40	Steel	1120T73	00000
								6"	Welded	40	Steel	1120T74	00000
								8"	Welded	40	Steel	1120T75	00000
								1 ft.	Welded	40	Steel	7750K116	00000
		3 ft.						Welded	40	Steel	7750K196	00000
		5 ft.	Welded					40	Steel	7750K236	000000




								2 1/2 Pipe Size

								3"	Welded	40	Steel	1120T86	00000


								4"	Welded	40	Steel	1120T87	00000
								6"	Welded	40	Steel	1120T88	00000
								8"	Welded	40	Steel	1120T89	00000
								1 ft.	Welded	40	Steel	7750K117	00000
								3 ft.	Welded	40	Steel	7750K197	000000
								5 ft.	Welded	40	Steel	7750K237	000000




								3 Pipe Size

								3"	Welded	40	Steel	1120T91	00000


								4"	Welded	40	Steel	1120T92	00000
								6"	Welded	40	Steel	1120T93	00000
								8"	Welded	40	Steel	1120T94	00000
								1 ft.	Welded	40	Steel	7750K118	00000
								3 ft.	Welded	40	Steel	7750K198	000000
								5 ft.	Welded	40	Steel	7750K238	000000




								4 Pipe Size

								3"	Welded	40	Steel	1120T95	00000


								4"	Welded	40	Steel	1120T96	00000
								6"	Welded	40	Steel	1120T97	00000
								8"	Welded	40	Steel	1120T98	00000
								1 ft.	Welded	40	Steel	7750K119	00000
								3 ft.	Welded	40	Steel	7750K199	000000
								5 ft.	Welded	40	Steel	7750K239	000000




6 Pipe Size

3"	Welded									40	Steel	1120T99	00000


4"	Welded									40	Steel	1120T111	00000
6"	Welded									40	Steel	1120T121	000000
8"	Welded									40	Steel	1120T131	000000
1 ft.	Welded									40	Steel	7750K122	000000
3 ft.	Welded									40	Steel	7750K202	000000
5 ft.	Welded									40	Steel	7750K242	000000




										8 Pipe Size

										1 ft.	Welded	40	Steel	7750K123	000000


		3 ft.	Welded							40	Steel	7750K203	000000
		5 ft.	Welded							40	Steel	7750K243	000000

Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Also known as Schedule 80, this pipe has thick walls for good strength in high-pressure applications.

Pipe Adapters—Threaded on One End

Male

Welded—Pipe has a weld bead on the inside.

	Lg.	Construction	Pipe Schedule	Material		Each
NPT Male × Butt Weld/Socket Connect/Weld Socket Male







				1/8 Pipe Size

				1 1/2"	Welded	80	Steel	5081T11	00000


				2"	Welded	80	Steel	5081T12	0000
				3"	Welded	80	Steel	5081T13	0000
				4"	Welded	80	Steel	5081T14	0000
				6"	Welded	80	Steel	5081T15	00000




						1/4 Pipe Size

						1 1/2"	Welded	80	Steel	5081T17	0000


						2"	Welded	80	Steel	5081T18	0000
						3"	Welded	80	Steel	5081T19	0000
						4"	Welded	80	Steel	5081T21	00000
						6"	Welded	80	Steel	5081T22	00000
						12"	Welded	80	Steel	5081T23	00000




								3/8 Pipe Size

								1 1/2"	Welded	80	Steel	5081T24	0000


								2"	Welded	80	Steel	5081T25	0000
								3"	Welded	80	Steel	5081T26	0000
								4"	Welded	80	Steel	5081T27	00000
								6"	Welded	80	Steel	5081T28	00000
								12"	Welded	80	Steel	5081T29	00000




										1/2 Pipe Size

										1 1/2"	Welded	80	Steel	5081T31	0000


										2"	Welded	80	Steel	5081T32	0000
										3"	Welded	80	Steel	5081T33	0000
										4"	Welded	80	Steel	5081T34	0000
										6"	Welded	80	Steel	5081T35	00000
										12"	Welded	80	Steel	5081T36	00000




												3/4 Pipe Size

1 1/2"												Welded	80	Steel	5081T37	0000


2"	Welded											80	Steel	5081T38	0000
3"	Welded											80	Steel	5081T39	0000
4"	Welded	80										Steel	5081T41	0000
6"	Welded	80	Steel									5081T42	00000
12"	Welded	80	Steel									5081T43	00000




		1 Pipe Size

		1 1/2"	Welded									80	Steel	5081T44	0000


		2"	Welded									80	Steel	5081T45	0000
		3"	Welded									80	Steel	5081T46	00000
		4"	Welded	80								Steel	5081T47	00000
		6"	Welded	80	Steel							5081T48	00000
		12"	Welded	80	Steel							5081T49	00000




				1 1/2 Pipe Size

				2"	Welded							80	Steel	5081T52	00000


				3"	Welded							80	Steel	5081T53	00000
				4"	Welded							80	Steel	5081T54	00000
				6"	Welded							80	Steel	5081T55	00000
				12"	Welded	80						Steel	5081T56	00000




						2 Pipe Size

						2"	Welded					80	Steel	5081T58	00000


						3"	Welded					80	Steel	5081T59	00000
						4"	Welded					80	Steel	5081T61	00000
						6"	Welded					80	Steel	5081T62	00000
						12"	Welded					80	Steel	5081T63	00000