General standard

Standard	Specification
ASTM A234	Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
ASTM A420	Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
ASTM A234 WPB	ASTM A234 is Standard Specification for steel pipe fittings includes carbon and alloy steel material for moderate and high temperature services. WPB is one of the steel grade in this standard
ASME B16.9	ASME B16.9 Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought buttwelding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200).
ASME B16.28	ASME B16.28 Standard covers ratings, overall dimensions, testing, tolerances, and markings for wrought carbon and alloy steel buttwelding short radius elbows and returns.
MSS SP-97	MSS SP-97 Standard Practice covers essential dimensions, finish, tolerances, testing, marking, material, and minimum strength requirements for 90 degree integrally reinforced forged branch outlet fittings of buttwelding, socket welding, and threaded types.
ASTM A403	Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings.

General standard & certifications of fittings

In pipe fittings as well, standards play a vital role. The manufacture and installation of pipe fittings is tightly regulated by various standards and codes. Who decides on standards and specifications for butt weld fittings ? Manufacturers of butt weld pipe fittings have to meet specifications and requirements of many organizations, to assure quality, compatibility…
MSS SP-97

MSS SP-97 Standard Practice covers essential dimensions, finish, tolerances, testing, marking, material, and minimum strength requirements
ANSI/ASME B16.25

ANSI/ASME B16.25 Standard covers the preparation of butt welding ends of piping components to be joined into a piping system by welding.

Pipe elbow size

Nominal pipe size		Outside Diameter at Bevel		Center to End			Center to Center		Back to Faces
				45° Elbows	90°Elbows		180°Return
				H	F		P		K
DN	INCH	Series A	Series B	LR	LR	SR	LR	SR	LR	SR
15		21.3	18	16	38	-	76	-	48	-
20		26.9	25	16	38	-	76	-	51	-
25	1	33.7	32	16	38	25	76	51	56	41
32		42.4	38	20	48	32	95	64	70	52
40		48.3	45	24	57	38	114	76	83	62
50	2	60.3	57	32	76	51	152	102	106	81
65		76.1(73)	76	40	95	64	191	127	132	100
80	3	88.9	89	47	114	76	229	152	159	121
90	31/2	101.6	-	55	133	89	267	178	184	140
100	4	114.3	108	63	152	102	305	203	210	159
125	5	139.7	133	79	190	127	381	254	262	197
150	6	168.3	159	95	229	152	457	305	313	237
200	8	219.1	219	126	305	203	610	406	414	313
250	10	273	273	158	381	254	762	508	518	391
300	12	323.9	325	189	457	305	914	610	619	467
350	14	355.6	377	221	533	356	1067	711	711	533
400	16	406.4	426	253	610	406	1219	813	813	610
450	18	457.2	478	284	686	457	1372	914	914	686
500	20	508	529	316	762	508	1524	1016	1016	762
550	22	559	-	347	838	559
600	24	610	630	379	914	610
650	26	660	-	410	991	660
700	28	711	720	442	1067	711
750	30	762	-	473	1143	762
800	32	813	820	505	1219	813
850	34	864	-	537	1295	864
900	36	914	920	568	1372	914
950	38	965	-	600	1448	965
1000	40	1016	1020	631	1524	1016
1050	42	1067	-	663	1600	1067
1100	44	1118	1120	694	1676	1118
1150	46	1168	-	726	1753	1168
1200	48	1220	1220	758	1829	1219

Definition of Pipe elbow

An elbow is a pipe fitting installed between two lengths of pipe or tubing to allow a change of direction, usually a 90° or 45° angle, though 22.5° elbows are also made.

What Parts of the exported elbows?

The custom degree elbows can be manufactured directly from the production design,also can be cut from a standard elbow.For example,the cut the 70 degree elbows from a 90 degree one.

Bends & elbows are epxorted to UAE

5D Bend , A 105 BE, SMLS ASME B 16.9 Size : ¾” SCH 80 , 45 Deg.

6D Bend , Size : ½” SCH 160, 45 Deg, A 420 WPL6, BE , SMLS

6D Bend , Size : 2” SCH 160, 45 Deg. A 420 WPL6 WPL6, BE , SMLS

6D Bend , Size : ¾” SCH 160, 45 Deg, A 420 WPL6, BE , SMLS

6D Bend , Size : ¾” SCH 160, 90 Deg. A 420 WPL6, BE , SMLS

6D Bend , Size : ½” , SCH 160, 90 Deg. A 420 WPL 6, BE SMLS

6D Bend , Size : ½” SCH 40, 90 Deg . A 420 WPL 6, BE SMLS