Carbon Steel Pipe Fittings - Product Overview

Hars Tubes Fittings is a trusted manufacturer, supplier, and exporter of high-quality tube fittings in ASTM-grade materials. We offer seamless and welded tube fittings designed to ensure strong, leak-proof, and corrosion-resistant piping connections. Our products provide excellent dimensional accuracy, durability, and long service life—ideal for Oil & Gas, Petrochemical, Chemical Processing, Power Plants, and Offshore industries. All products are manufactured as per ANSI, ASME, DIN, and EN international standards to ensure premium quality and reliable performance.

Carbon Steel Pipe Fittings – Grades & Specifications

Specifications : ASTM A234 WPB / ASTM A420 WPL6 / ASTM A105

Types : Elbows (45° / 90°), Tee, Reducer, End Cap, Stub End

Size Range : 1/2" (15 NB) to 48" (1200 NB)

Schedule : Sch 10, Sch 20, Sch 40, Sch 80, Sch 160, XXS

Standards :

ASME B16.9, ASME B16.11, MSS-SP-75

Ends : Beveled Ends (BE), Plain Ends (PE), Threaded Ends

We Specialize In : Butt-Weld Fittings, Socket Weld Fittings, Screwed Fittings, Large Diameter Elbows & Reducers

Carbon Steel Pipe Fittings Standards

Standard	Size	Method	Schedule
ASME B16.28	1/2” to 24″	SMLS/ Welded	SCH 40 To 120
ASME B16.9	1/2″ to 24″	BW/ SMLS/ Welded	SCH 10 To 180
JIS	DN15 To DN200	BW/ SMLS	–
DIN	DN15 To DN600	BW/ SMLS	SCH 20 To 120
ASME B16.25	12″ to 48″	SMLS/ Welded	SCH 80
EN	DN15 To DN400	BW/ SMLS	SCH 20

Carbon Steel Elbow

Carbon Steel Buttweld Fittings

Carbon Steel Tee

Carbon Steel Pipe Fittings

CS Buttweld Fittings

Seamless & Welded
Size 1/2” – 72”
SCH 5 – XXS

Manufacturing Process

Forged
Heat Treated
Hydro Tested

Packaging Type

Box Packing
Bubble Wrap
Wooden Case

Pressure Ratings

Class 150 – 2500
High-Pressure

Testing

PMI Test
NDT Test
Hardness Test

Product Forms

Elbow
Tee
Reducer
Cap

Carbon Steel Buttweld Fittings Dimensions

NPS (Normal Pipe Size)	O.D. (Outside Daimeter)		ASME B16.9 Pipe End Cap	ASME B16.9 Straight Tee	ASME B16.9 Straight Cross	ASME B16.9 Long And Short Stub Ends
(inch./ Inches)	(millimeter/ MM)	(Inches)	Length (Inches)	Center to End (Inches)	Center to End (Inches)	Lap Diameter (Inches)	Long Length (Inches)	Short Length (Inches)
1/2	21.3	0.840	1	1	–	1 3/8	3	2
3/4	26.7	1.050	1	1 1/8	–	1 11/16	3	2
1	33.4	1.315	1 1/2	1 1/2	1 1/2	2	4	2
1 1/4	42.2	1.660	1 1/2	1 7/8	1 7/8	2 1/2	4	2
1 1/2	48.3	1.900	1 1/2	2 1/4	2 1/4	2 7/8	4	2
2	60.3	2.375	1 1/2	2 1/2	2 1/2	3 5/8	6	2 1/2
2 1/2	73.0	2.875	1 1/2	3	3	4 1/8	6	2 1/2
3	88.9	3.500	2	3 3/8	3 3/8	5	6	2 1/2
3 1/2	101.6	4.000	2 1/2	3 3/4	3 3/4	5 1/2	6	3
4	114.3	4.500	2 1/2	4 1/8	4 1/8	6 3/16	6	3
5	141.3	5.563	3	4 7/8	4 7/8	7 5/16	8	3
6	168.3	6.625	3 1/2	5 5/8	5 5/8	8 1/2	8	3 1/2
8	219.1	8.625	4	7	7	10 5/8	8	4
10	273.1	10.750	5	8 1/2	8 1/2	12 3/4	10	5
12	323.9	12.750	6	10	10	15	10	6

CS Pipe Fittings Schedule Chart

Nom. Size DN	Pipe OD mm	Wall Thickness (mm)													B	A	K	V	D	Nom. Size DN	E. Sth. Wt. & Ex. Stg.
Nom. Size DN	Pipe OD mm	Sth. Wt.	Sch. 20	Sch. 10	Sch. 30	X Stg.	Sch. 40	Sch. 60	Sch. 100	Sch. 80	Sch. 160	Sch. 120	Sch. 140	X.X. Stg.	B	A	K	V	D	Nom. Size DN	E. Sth. Wt. & Ex. Stg.
20	26.7	2.87	–	–	–	3.91	2.87	–	–	3.91	5.56	–	–	7.82	19	38	43	33	19	20	25.4
15	21.3	2.77	–	–	–	3.73	2.77	–	–	3.73	4.78	–	–	7.47	16	38	47.5	—	—	15	25.4
25	33.4	3.38	–	–	–	4.55	3.38	–	–	4.55	6.35	–	–	9.09	22	38	55.5	41	25.4	25	38.1
90	101.6	5.74	–	–	–	8.08	5.74	–	–	8.08	–	–	–	16.15	57	133	184	140	89	90	63.5
40	48.3	3.68	–	–	–	5.08	3.68	–	–	5.08	7.14	–	–	10.15	29	57	82.5	62	38	40	38.1
32	42.2	3.56	–	–	–	4.85	3.56	–	–	4.85	6.35	–	–	9.70	25.4	47.5	70	52	32	32	38.1
50	60.3	3.91	–	–	–	5.54	3.91	–	–	5.54	8.74	–	–	11.07	35	76	106	81	51	50	38.1
80	88.9	5.49	–	–	–	7.62	5.49	–	–	7.62	11.13	–	–	15.24	51	114	159	121	76	80	50.8
65	73.0	5.16	–	–	–	7.01	5.16	–	–	7.01	9.53	–	–	14.02	44.5	95	132	100	63.5	65	38.1
125	141.3	6.55	–	–	–	9.53	6.55	–	–	9.53	15.88	12.70	–	19.05	79	190	262	197	127	125	76.2
100	114.3	6.02	–	–	–	8.56	6.02	–	–	8.56	13.49	11.13	–	17.12	63.5	152	210	159	102	100	63.5
150	168.3	7.11	–	–	–	10.97	7.11	–	–	10.97	18.26	14.27	–	21.95	95	229	313	237	152	150	88.9
250	273.1	9.27	6.35	–	7.80	12.70	9.27	12.70	18.26	15.09	28.58	21.44	25.40	25.40	159	381	517	390	254	250	127
200	219.1	8.18	6.35	–	7.04	12.70	8.18	10.31	15.09	12.70	23.01	18.26	20.62	22.23	127	305	414	313	203	200	102
300	323.9	9.53	6.35	–	8.38	12.70	10.31	14.27	21.44	17.48	33.32	25.40	28.58	25.40	190	457	619	467	305	300	152

Carbon Steel Pipe Fittings Types

45 DEGREE

90 DEGREE

CONCENTRIC

ECCENTRIC REDUCERS

EQUALTEE

REDUCINGTEE

CAPS

10 DEGREE U BEND

EQUAL CROSS

CS Elbow Dimensions Chart

NPS (Normal Pipe Size)	O.D. (Outside Dai.)		Elbow 90 Deg		Elbow 45 Deg		Return Elbow 180 Deg
(inch)			Long Radius Elbow	Short Radius	Long Radius Elbow		Long Radius Elbow
	(millimeter/ MM)	(inch./ Inches)	Center to Face(Inches)	Center to Face(Inches)	Center to Face(Inches)	Radius(Inches)	Center to Center(Inches)	Back to face(Inches)
1/2	21.3	0.840	1 1/2	–	5/8		2	1 7/8
3/4	26.7	1.050	1 1/8	–	7/16		2 1/4	1 11/16
1	33.4	1.315	1 1/2	1	7/8		3	2 3/16
1 1/4	42.2	1.660	1 7/8	1 1/4	1		3 3/4	2 3/4
1 1/2	48.3	1.900	2 1/4	1 1/2	1 1/8	3	4 1/2	3 1/4
2	60.3	2.375	3	2	1 3/8	4	6	4 3/16
2 1/2	73.0	2.875	3 3/4	2 1/2	1 3/4	5	7 1/2	5 3/16
3	88.9	3.500	4 1/2	3	2	6	9	6 1/4
3 1/2	101.6	4.000	5 1/4	3 1/2	2 1/4	7	10 1/2	7 1/4
4	114.3	4.500	6	4	2 1/2	8	12	8 1/4
5	141.3	5.563	7 1/2	5	3 1/8	10	15	10 5/16
6	168.3	6.625	9	6	3 3/4	12	18	12 5/16
8	219.1	8.625	12	8	5	12	24	16 5/16
10	273.1	10.750	15	10	6 1/4	15	30	20 3/8
12	323.9	12.750	18	12	7 1/2	18	36	24 3/8

CS Elbow Dimensions Chart

Coating / Type
CRA
FBE
3PE
Zinc Coating
Clad or Lined
Custom

Coating Types	Temperature
PE coating	Up to 80 °C
Zinc coating	420°C to 650°C
PTFE coating	+260°C
Anti rust coating	10°C – 30°C
FBE coating	225° to 245°C

Carbon Steel Pipe Fittings Weight Chart

DN (NP size) For ASME B16.9	Sch 40S			Sch 10S			Sch 80S
DN (NP size) For ASME B16.9	Elbow 90 Deg	Elbow 45 Deg	B16.9 Equal Tee	Elbow 90 Deg	Elbow 45 Deg	B16.9 Equal Tee	Elbow 90 Deg	Elbow 45 Deg	B16.9 Equal Tee
50	0.70	0.4	1.28	0.50	0.25	0.85	0.91	0.59	1.59
65	1.40	0.77	2.19	0.85	0.48	1.41	1.81	0.99	3.13
25	0.15	0.11	0.29	0.14	0.08	0.28	0.22	0.14	0.38
32	0.26	0.17	0.59	0.23	0.11	0.49	0.40	0.23	0.68
40	0.40	0.23	0.86	0.30	0.17	0.68	0.51	0.29	1.02
8	0.03	0.02	0.06	0.02	0.01	0.03	0.04	0.03	0.07
10	0.03	0.02	0.03	0.03	0.02	0.05	0.06	0.04	0.09
15	0.08	0.04	0.10	0.06	0.03	0.09	0.10	0.05	0.14
20	0.08	0.04	0.17	0.07	0.03	0.13	0.11	0.05	0.20
80	2.20	1.08	3.31	1.25	0.63	1.77	2.97	1.50	4.45
200	21.54	10.77	20.91	10.20	5.33	15.65	33.11	16.56	28.12
250	38.56	19.27	35.38	18.15	9.75	26.46	51.71	25.86	49.90
90	2.83	1.42	4.08	1.70	0.75	2.67	4.00	2.00	5.44
100	4.47	2.09	5.27	2.10	1.08	3.46	6.18	2.81	7.71
150	10.89	5.44	10.99	5.45	2.72	8.07	16.32	8.16	13.61
300	59.42	29.71	62.14	25.80	13.62	39.46	79.38	39.69	83.91

Carbon Steel Fittings Pressure Rating

Nominal Pipe Size	Wall Thickness Sizes *	** Working Pressure– lbs per square inch at the

		Fahrenheit Temperature Indicated
		-20 to 650	700	750	*** 800
1 1/4	0.14	1065	1019	919	766
1 1/2	0.145	1005	960	867	723
2	0.154	900	861	777	648
1/2	0.109	1695	1621	1463	1220
3/4	0.113	1455	1392	1256	1046
1	0.133	1575	1506	1359	1134
2 1/2	0.203	1215	1162	1048	874
3	0.216	1095	1047	945	788
3 1/2	0.226	1020	975	880	734
4	0.237	975	932	841	702
14	0.375	570	545	492	410
16	0.375	495	473	427	356
8	0.322	765	731	660	550
10	0.365	720	688	621	518
12	0.375	630	602	543	453
18	0.375	450	430	388	354
20	0.375	405	387	349	291
5	0.258	885	846	764	637
36	0.375	220	198	178	148
42	0.375	189	181	163	136
48	0.375	165	158	143	118
6	0.28	840	803	725	604
24	0.375	330	315	284	237
30	0.375	265	254	229	190

CS Pipe Cap Tolerance Chart

BW Fittings ANSI B16.9 Tolerance (45 And 90 deg) Elbow, End Cap, Tee, Reducer)				90 Deg. & 45 Deg. Elbow and Tee	Cap	Reducer & Long Lap Joint Stub End
Fitting Dim. (NPS)	Inside Dia. at End	OD Dia. at Bevel	Wall Thick T	Center-to-End Dimension A ,C ,B	Over-all Length F	Over-all Length H
1/2 to 2-1/2		+0.06	Not less than 87.5% of N.Thickness	+/- 0.06	+/- 0.12	+/- 0.06
		-0.03
3 to 3-1/2	+/- 0.06	+/- 0.06		+/- 0.06	+/- 0.12	+/- 0.06

4	+/- 0.06	+/- 0.06		+/- 0.06	+/- 0.12	+/- 0.06

5 to 8	+/- 0.06	+/- 0.06		+/- 0.06	+/- 0.25	+/- 0.06

10 to 18	+/- 0.12	+0.16		+/- 0.09	+/- 0.25	+/- 0.09
		-0.12
20 to 24	+/- 0.19	+0.25		+/- 0.09	+/- 0.25	+/- 0.09
		-0.19
26 to 30	+/- 0.19	+0.25		+/- 0.12	+/- 0.38	+/- 0.19
		-0.19
32 to 48	+/- 0.19	+0.25		+/- 0.19	+/- 0.38	+/- 0.19
		-0.19

Pipe Fittings Chart of Carbon Steel

Nominal Pipe Size	Outside Diameter		Straight Crosses	Straight Tees	Caps	Stub Ends
inch	mm	inch	Center to End (inch)	Center to End (inch)	Length (inch)	Lap Diameter (inch)	Long Length (inch)	Short Length (inch)
3/4	26.7	1.050	–	1 1/8	1	1 11/16	3	2
1/2	21.3	0.840	–	1	1	1 3/8	3	2
1	33.4	1.315	1 1/2	1 1/2	1 1/2	2	4	2
1 1/2	48.3	1.900	2 1/4	2 1/4	1 1/2	2 7/8	4	2
5	141.3	5.563	4 7/8	4 7/8	3	7 5/16	8	3
1 1/4	42.2	1.660	1 7/8	1 7/8	1 1/2	2 1/2	4	2
2	60.3	2.375	2 1/2	2 1/2	1 1/2	3 5/8	6	2 1/2
3	88.9	3.500	3 3/8	3 3/8	2	5	6	2 1/2
2 1/2	73.0	2.875	3	3	1 1/2	4 1/8	6	2 1/2
3 1/2	101.6	4.000	3 3/4	3 3/4	2 1/2	5 1/2	6	3
4	114.3	4.500	4 1/8	4 1/8	2 1/2	6 3/16	6	3

Carbon Steel Stub End Chemical Composition

Carbon

0.15%

Silicon

0.50%

Sulfur

0.025%

Phosphorus

0.025 %

Mechanical Properties Of Carbon Steel Fittings

Property	Values
Hardness	197 – 237 BHN (75 Ksi min)
Ultimate Tensile Strength *	95 min Ksi (655 Mpa)
Elongation *	17 % min
Reduction of Area *	35 % min
0.2 % Yield Strength *	75 min Ksi (517 Mpa)
Charpy Impact Toughness	42 mean/ 33 min J at –18o C

Carbon Steel Pipe Fittings

Carbon Steel Pipe Fittings - Product Overview

Carbon Steel Pipe Fittings – Grades & Specifications

Carbon Steel Pipe Fittings Standards

Carbon Steel Elbow

Carbon Steel Buttweld Fittings

Carbon Steel Tee

Carbon Steel Pipe Fittings

CS Buttweld Fittings

Manufacturing Process

Packaging Type

Pressure Ratings

Testing

Product Forms

Carbon Steel Buttweld Fittings Dimensions

CS Pipe Fittings Schedule Chart

Carbon Steel Pipe Fittings Types

45 DEGREE

90 DEGREE

CONCENTRIC

ECCENTRIC REDUCERS

EQUALTEE

REDUCINGTEE

CAPS

10 DEGREE U BEND

EQUAL CROSS

CS Elbow Dimensions Chart

CS Elbow Dimensions Chart

Carbon Steel Pipe Fittings Weight Chart

Carbon Steel Fittings Pressure Rating

CS Pipe Cap Tolerance Chart

Pipe Fittings Chart of Carbon Steel

Carbon Steel Stub End Chemical Composition

Mechanical Properties Of Carbon Steel Fittings

Other Related Carbon Steel Fittings Products

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