Equal & Reducing Steel Tee

What is Steel Tee?

Steel Tee fittings are pipe connectors that facilitate the piping system’s splitting, combining, or redirection of flow. They feature three connection points: one inlet and two outlets (or vice versa). These outlets are typically positioned at a 90-degree angle to the main line.

Tee fittings are classified into two primary types:

Equal Tee: All three branches have the same diameter.
Reducing Tee: One branch has a smaller diameter than the other two.

Stainless Steel Tee Fittings

Stainless Steel Tee fittings are crafted from high-grade stainless steel alloys, primarily composed of iron, chromium (minimum 10.5%), and varying amounts of nickel, molybdenum, and other elements. The chromium content provides corrosion resistance, while nickel enhances strength and ductility.

Advantages

Corrosion Resistance: Ideal for harsh environments, including marine and chemical industries.
Temperature Tolerance: Can withstand both high and low temperatures.
Aesthetic Appeal: Retains a polished appearance over time.
Longevity: Exceptional durability ensures a long service life.
Hygienic Properties: Suitable for food and pharmaceutical industries due to ease of cleaning and non-reactivity.

Applications

Chemical Processing: Resistant to corrosive chemicals.
Food and Beverage Industry: Hygienic and non-contaminating.
Oil and Gas: Handles high-pressure and high-temperature environments.
Water Treatment Plants: Prevents corrosion in water systems.
Construction: Used in architectural structures for durability and aesthetics.

Carbon Steel Tee Fittings

Carbon Steel Tee fittings are mainly iron and carbon, with trace amounts of manganese, silicon, and copper. Unlike stainless steel, carbon steel lacks significant amounts of chromium and nickel, which results in lower corrosion resistance but higher strength and toughness.

Advantages

Cost-Effectiveness: Generally more affordable than stainless steel.
High Strength: Excellent tensile strength for heavy-duty applications.
Weldability: Easy to weld and fabricate.
Pressure Resistance: Handles high-pressure environments effectively.

Applications

Oil and Gas Pipelines: Ideal for high-pressure systems.
Power Plants: Used in steam and cooling systems.
Shipbuilding: Provides strength and durability.
Industrial Equipment: Used in machinery and structural components.
Water Distribution Systems: Suitable for non-corrosive water applications.

Tee Dimensions

Straight / Equal Tee Dimensions Chart (in lbs)

NOMINAL PIPE SIZE	OUTSIDE DIAMETER	CENTER TO END	LENGTH
Inch.	OD	C	M
1/2	21.3	25	25
3/4	26.7	29	29
1	33.4	38	38
1 1/4	42.2	48	48
1 1/2	48.3	57	57
2	60.3	64	64
2 1/2	73	76	76
3	88.9	86	86
3 1/2	101.6	95	95
4	114.3	105	105
5	141.3	124	124
6	168.3	143	143
8	219.1	178	178
10	273.1	216	216
12	323.9	254	254
14	355.6	279	279
16	406.4	305	305
18	457.2	343	343
20	508	381	381
22	559	419	419
24	610	432	432
26	660	495	495
28	711	521	521
30	762	559	559
32	813	597	597
34	864	635	635
36	914	673	673
38	965	711	711
40	1016	749	749
42	1067	762	711
44	1118	813	762
46	1168	851	800
48	1219	889	838

Reducing Tee Dimensions Chart (in lbs)

NOMINAL PIPE SIZE	OUTSIDE DIAMETER		CENTER TO END
Inch	D	P	C	M
1/2 x 3/8	21.3	17.1	25	25
1/2 x 1/4	21.3	13.7	25	25
3/4 x 1/2	26.7	21.3	29	29
3/4 x 3/8	26.7	17.1	29	29
1 x 3/4	33.4	26.7	38	38
1 x 1/2	33.4	21.3	38	38
1 1/4 x 1	42.2	33.4	48	48
1 1/4 x 3/4	42.2	26.7	48	48
1 1/4 x 1/2	42.2	21.3	48	48
1 1/2 x 1 1/2	48.3	42.2	57	57
1 1/2 x 1	48.3	33.4	57	57
1 1/2 x 3/4	48.3	26.7	57	57
1 1/2 x 1/2	48.3	21.3	57	57
2 x 1 1/2	60.3	48.2	64	60
2 x 1 1/4	60.3	42.2	64	57
2 x 1	60.3	33.4	64	51
2 x 3/4	60.3	26.7	64	44
2 1/2 x 2	73	60.3	76	70
2 1/2 x 1 1/2	73	48.3	76	67
2 1/2 x 1 1/4	73	42.2	76	64
2 1/2 x 1	73	33.4	76	57
3 x 2 1/2	88.9	73	86	83
3 x 2	88.9	60.3	86	76
3 x 1 1/2	88.9	48.3	86	73
3 x 1 1/4	88.9	42.2	86	70
3 1/2 x 3	101.6	88.9	95	92
3 1/2 x 21/2	101.6	73	95	89
3 1/2 x 2	101.6	60.3	95	83
3 1/2 x 1 1/2	101.6	48.3	95	79
4 x 3 1/2	114.3	101.6	105	102
4 x 3	114.3	88.9	105	98
4 x 2 1/2	114.3	73	105	95
4 x 2	114.3	60.3	105	89
4 x 1 1/2	114.3	48.3	105	86
5 x 4	141.3	114.3	124	117
5 x 3 1/2	141.3	101.6	124	114
5 x 3	141.3	88.9	124	111
5 x 2 1/2	141.3	73	124	108
5 x 2	141.3	60.3	124	105
6 x 5	168.3	141.3	143	137
6 x 4	168.3	114.3	143	130
6 x 3 1/2	168.3	101.6	143	127
6 x 3	168.3	88.9	143	124
6 x 2 1/2	168.3	73	143	121
8 x 6	219.1	168.3	178	168
8 x 5	219.1	141.3	178	162
8 x 4	219.1	114.3	178	156
8 x 3 1/2	219.1	101.6	178	152
10 x 8	273.1	219.1	216	203
10 x 6	273.1	168.1	216	194
10 x 5	273.1	141.3	216	191
10 x 4	273.1	114.3	216	184
12 x 10	323.9	273.1	254	241
12 x 8	323.9	219.1	254	229
12 x 6	323.9	168.3	254	219
12 x 5	323.9	141.3	254	216
14 x 12	355.6	323.9	279	270
14 x 10	355.6	273.1	279	257
14 x 8	355.6	219.1	279	248
14 x 6	355.6	168.3	279	238
16 x 14	406.4	355.6	305	305
16 x 12	406.4	323.9	305	295
16 x 10	406.4	273.1	305	283
16 x 8	406.4	219.1	305	273
16 x 6	406.4	168.3	305	264
18 x 16	457	406.4	343	330
18 x 14	457	355.6	343	330
18 x 12	457	323.9	343	321
18 x 10	457	273.1	343	308
18 x 8	457	219.1	343	298
20 x 18	508	457	381	368
20 x 16	508	406.4	381	356
20 x 14	508	355.6	381	356
20 x 12	508	323.9	381	346
20 x 10	508	273.1	381	333
20 x 8	508	219.1	381	324
22 x 20	559	508	419	406
22 x 18	559	457	419	394
22 x 16	559	406.4	419	381
22 x 14	559	355.6	419	381
22 x 12	559	323.9	419	371
24 x 10	559	273.1	419	359
24 x 22	610	559	432	432
24 x 20	610	508	432	432
24 x 18	610	457	432	419
24 x 16	610	406.4	432	406
24 x 14	610	355.6	432	406
24 x 12	610	323.9	432	397
24 x 10	610	273.1	432	384

Tee Weight Chart

Equal Tee Weight Chart (in lbs)

Nominal Pipe Size (NPS)	Schedule 40	Schedule 80	Schedule 160
1/2″	1.0	1.3	1.8
3/4″	1.4	1.8	2.5
1″	1.8	2.4	3.2
1 1/4″	2.3	3.0	4.0
1 1/2″	3.0	4.1	5.5
2″	4.2	6.2	8.3
2 1/2″	6.7	9.8	13.0
3″	9.4	14.1	18.7
4″	14.5	21.6	28.8
5″	19.0	28.3	37.7
6″	24.0	36.0	48.0
8″	34.0	51.0	68.0
10″	47.5	71.0	94.0
12″	60.0	90.0	120.0
14″	75.0	112.0	150.0
16″	94.0	141.0	188.0
18″	114.0	171.0	228.0
20″	134.0	201.0	268.0
24″	170.0	255.0	340.0
30″	255.0	382.5	510.0
36″	335.0	502.5	670.0
42″	420.0	630.0	840.0
48″	510.0	765.0	1020.0

Reducing Tee Weight Chart (in lbs)

Run x Branch	Schedule 40 (lbs)	Schedule 80 (lbs)	Schedule 160 (lbs)
1/2″ x 3/8″	0.3	0.4	0.6
3/4″ x 1/2″	0.6	0.9	1.2
1″ x 3/4″	0.8	1.2	1.6
1 1/4″ x 1″	1.0	1.5	2.0
1 1/2″ x 1″	1.2	1.8	2.5
2″ x 1 1/2″	1.8	2.7	3.6
2 1/2″ x 2″	2.5	3.8	5.1
3″ x 2″	3.5	5.3	7.0
3″ x 2 1/2″	3.8	5.7	7.6
4″ x 3″	5.5	8.3	11.0
5″ x 4″	7.3	10.9	14.4
6″ x 4″	9.5	14.2	18.9
6″ x 5″	10.1	15.1	20.2
8″ x 6″	15.5	23.3	31.1
10″ x 8″	21.0	31.5	42.0
12″ x 10″	28.0	42.0	56.0
14″ x 12″	36.0	54.0	72.0
16″ x 12″	44.0	66.0	88.0
18″ x 16″	56.0	84.0	112.0
20″ x 16″	68.0	102.0	136.0
24″ x 20″	96.0	144.0	192.0
24″ x 10″	80.0	120.0	160.0