ASTM A105 Elbow 45, 90, 180 Degree

ASTM A105 Elbow is a top-tier forged carbon steel fitting designed to alter pipeline flow direction. Manufactured to meet rigorous international standards, these elbows are widely used in petrochemicals, oil and gas, power generation, and industrial piping systems. Available in 45°, 90°, and 180° configurations, these elbows provide seamless transitions while maintaining system integrity.

Key Features

• Material: Made from high-quality forged carbon steel as per ASTM A105 specifications, ensuring exceptional strength and durability.
• Versatile Design: Offered in 45°, 90°, and 180° angles for precise directional changes in pipeline systems.
• Connection Types: Available in threaded (NPT), socket weld, or butt weld ends to suit various piping requirements.
• Pressure Ratings: Supports high-pressure systems, including Class 150, 300, 600, 900, 1500, and 2500.

Specifications

• Standards: Conforms to ASTM A105 and ASME B16.9/B16.11 standards.
• Sizes: Ranges from ½” to 48″ in nominal pipe size (NPS).
• Dimensions: Precisely engineered for long-radius (LR) or short-radius (SR) configurations.
• Surface Finish: Available in black, galvanized, or custom coatings.

ASTM A105 Elbow Dimensions – Long & Short Radius Elbow Dimensions in mm

NOMINAL PIPE SIZE	OUTSIDE DIAMETER	CENTER TO END
Inch.	OD	A	B	C
1/2	21.3	38	16	–
3/4	26.7	38	19	–
1	33.4	38	22	25
1 1/4	42.2	48	25	32
1 1/2	48.3	57	29	38
2	60.3	76	35	51
2 1/2	73	95	44	64
3	88.9	114	51	76
3 1/2	101.6	133	57	89
4	114.3	152	64	102
5	141.3	190	79	127
6	168.3	229	95	152
8	219.1	305	127	203
10	273.1	381	159	254
12	323.9	457	190	305
14	355.6	533	222	356
16	406.4	610	254	406
18	457.2	686	286	457
20	508	762	318	508
22	559	838	343	559
24	610	914	381	610
26	660	991	406	660
28	711	1067	438	711
30	762	1143	470	762
32	813	1219	502	813
34	864	1295	533	864
36	914	1372	565	914
38	965	1448	600	965
40	1016	1524	632	1016
42	1067	1600	660	1067
44	1118	1676	695	1118
46	1168	1753	727	1168
48	1219	1829	759	1219
All Dimensions are in mm

ASTM A105 Elbow Tolerance 

NOMINAL PIPE SIZE	ALL FITTINGS	ALL FITTINGS	ALL FITTINGS	ELBOWS AND TEES	180 DEG RETURN BENDS	180 DEG RETURN BENDS	180 DEG RETURN BENDS	REDUCERS	CAPS
NPS	O.D. at Bevel (1), (2)	I.D. at End	Wall Thickness (3)	Centre-to-End Dimension A,B,C,M	Centre-to-Centre O	Back-to-Face K	Alignment of Ends U	Overall Length H	Overall Length E
		(1), (3), (4)
½ to 2½	0.06	0.03	Not less than 87.5% of nominal thickness	0.06	0.25	0.25	0.03	0.06	0.12
	-0.03
3 to 3 ½	0.06	0.06		0.06	0.25	0.25	0.03	0.06	0.12
4	0.06	0.06		0.06	0.25	0.25	0.03	0.06	0.12
5 to 8	0.09	0.06		0.06	0.25	0.25	0.03	0.06	0.25
	-0.06
10 to 18	0.16	0.12		0.09	0.38	0.25	0.06	0.09	0.25
	-0.12
20 to 24	0.25	0.19		0.09	0.38	0.25	0.06	0.09	0.25
	-0.19
26 to 30	0.25	0.19		0.12	…	…	…	0.19	0.38
	-0.19
32 to 48	0.25	0.19		0.19	…	…	…	0.19	0.38
	-0.19

 

NOMINAL PIPE SIZE NPS	ANGULARITY TOLERANCES	ANGULARITY TOLERANCES
	Off Angle Q	Off Plane P
½ to 4	0.03	0.06
5 to 8	0.06	0.12
10 to 12	0.09	0.19
14 to 16	0.09	0.25
18 to 24	0.12	0.38
26 to 30	0.19	0.38
32 to 42	0.19	0.5
44 to 48	0.18	0.75

Benefits

• High mechanical strength and corrosion resistance.
• Exceptional dimensional accuracy for leak-free connections.
• Long-lasting performance under extreme temperature and pressure conditions.

Applications

• Oil & Gas: Ideal for transporting crude oil, natural gas, and refined products.
• Petrochemical: Used in process piping for chemical plants and refineries.
• Power Generation: Suitable for steam, water, and high-temperature fluid systems.
• General Industry: Applicable in manufacturing and other industrial piping systems.