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Stainless Steel Reducers

We Have Specialization to Manufacture Customized ANSI/ASME B16.9 Butt Weld Reducers per Customers

ASME B16.9 Butt Weld Reducer Specification

Standards:	ANSI – B 16.9 ASTM A403 – ASME SA403 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’ API 590-605 ASME B16.9 – ‘Factory-Made Wrought Buttwelding Fittings” ASME B16.25 – ‘Buttwelding Ends’ ASME B16.28 – ‘Wrought Steel Buttwelding Short Radius Elbows and Returns’ MSS SP-43 – ‘Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications’
Schedule:	Sch 5 TO Sch XXS.
Sizes:	1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” )
Materials:	Monel, Nickel, Inconel, Hastalloy, Titanium, Tantalum, Stainless Steel, Alloy Steel, Carbon Steel, Cupro-Nickel 90/10 & 70/30 Stainless Steel ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L, 316/316L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Type:	Butt Weld (BW)
Thickness:	Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Dimension:	ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313

ASME B16.9 Reducer Dimensions

REDUCERS
inches	mm	D	d	H
3/4 x 3/4	20 x 15	26,67	21,34	38,10
3/4 x 3/8	20 x 10	26,67	17,14	38,10
1 x 3/4	25 x 20	33,40	26,67	50,80
1 x 1/2	25 x 15	33,40	21,34	50,80
1 1/4 x 1	32 x 25	42,16	33,40	50,80
1 1/4 x 3/4	32 x 20	42,16	26,67	50,80
1 1/4 x 1/2	32 x 15	42,16	21,34	50,80
1 1/2 x 1 1/4	40 x 32	48,26	42,16	63,50
1 1/2 x 1	40 x 25	48,26	33,40	63,50
1 1/2 x 3/4	40 x 20	48,26	26,67	63,50
1 1/2 x 1/2	40 x 15	48,26	21,34	63,50
2 x 1 1/2	50 x 40	60,32	48,26	76,20
2 x 1 1/4	50 x 32	60,32	42,16	76,20
2 x 1	50 x 25	60,32	33,40	76,20
2 x 3/4	50 x 20	60,32	26,67	76,20
2 1/2 x 2	65 x 50	73,02	60,32	88,90
2 1/2 x 1 1/2	65 x 40	73,02	48,26	88,90
2 1/2 x 1 1/4	65 x 32	73,02	42,16	88,90
2 1/2 x1	65 x 25	73,02	33,40	88,90
3 x 2 1/2	80 x 65	88,90	73,02	88,90
3 x 2	80 x 50	88,90	60,32	88,90
3 x 1 1/2	80 x 40	88,90	48,26	88,90
3 x 1 1/4	80 x 32	88,90	42,16	88,90
3 1/2 x 3	90 x 80	101,60	88,90	101.60
3 1/2 x 2 1/2	90 x 65	101,60	73,02	101.60
3 1/2 x 2	90 x 50	101,60	60,32	101.60
3 1/2 x 1 1/2	90 x 40	101,60	48,26	101.60
3 1/2 x 1 1/4	90 x 32	101,60	42,16	101.60
4 x 3 1/2	100 x 90	114,30	73,02	101.60
4 x 3	100 x 80	114,30	88,90	101.60
4 x 2 1/2	100 x 65	114,30	73,02	101.60
4 x 2	100 x 50	114,30	60,32	101.60
4 x 1 1/2	100 x 40	114,30	48,26	101.60
5 x 4	125 x 100	141,30	114,30	127,00
5 x 3 1/2	125 x 90	141,30	101,60	127,00
5 x 3	125 x 80	141,30	88,90	127,00
5 x 2 1/2	125 x 65	141,30	73,02	127,00
5 x 2	125 x 50	141,30	60,32	127,00
6 x 5	150 x 125	168,27	141,30	139,7
6 x 4	150 x 100	168,27	114,30	139,7
6 x 1/2	150 x 90	168,27	101,60	139,7
6 x 3	150 x 80	168,27	88,90	139,7
6 x 1/2	150 x 65	168,27	73,02	139,7
8 x 6	200 x 150	219,07	168,27	152,4
8 x 5	200 x 125	219,07	141,30	152,4
8 x 4	200 x 100	219,07	114,30	152,4
8 x 3 1/2	200 x 90	219,07	101,60	152,4
10 x 8	250 x 200	273,05	219,07	177,8
10 x 6	250 x 150	273,05	168,27	177,8
10 x 5	250 x 125	273,05	141,30	177,8
10 x 4	250 x 100	273,05	114,30	177,8
12 x 10	300 x 250	323,85	273,05	203,2
12 x 8	300 x 200	323,85	219,07	203,2
12 x 6	300 x 150	323,85	168,27	203,2
12 x 5	300 x 125	323,85	141,30	203,2
14 x 12	350 x 300	355,60	323,85	330,2
14 x 10	350 x 250	355,60	273,05	330,2
14 x 8	350 x 200	355,60	219,07	330,2
14 x 6	350 x 150	355,60	168,27	330,2
16 x 14	400 x 350	406,40	355,60	355,6
16 x 12	400 x 300	406,40	323,85	355,6
16 x 10	400 x 250	406,40	273,05	355,6
16 x 8	400 x 200	406,40	219,07	355,6
18 x 16	450 x 400	457,20	406,40	381,0
18 x 14	450 x 350	457,20	355,60	381,0
18 x 12	450 x 300	457,20	323,85	381,0
18 x 10	450 x 250	457,20	273,05	381,0
20 x 18	500 x 450	508,00	457,20	508,0
20 x 16	500 x 400	508,00	406,40	508,0
20 x 14	500 x 350	508,00	355,60	508,0
20 x 12	500 x 300	508,00	323,85	508,0
22 x 20	550 x 500	558,80	508,00	508,0
22 x 18	550 x 450	558,80	457,20	508,0
22 x 16	550 x 400	558,80	406,40	508,0
22 x 14	550 x 350	558,80	355,60	508,0
24 x 22	600 x 550	609,6	558,80	508,0
24 x 20	600 x 500	609,6	508,00	508,0
24 x 18	600 x 450	609,6	457,20	508,0
24 x 16	600 x 400	609,6	406,40	508,0
Dimension in mm.

Reducers – Ansi 16.9 Tolerances

DIMENSIONAL TOLERANCES – REDUCERS
				Reducers
Nominal Pipe Size (NPS)	Outside Ø at Bevel	Inside Ø at End	Wall Thickness t / t1	Overall Length H
1/2 a 2 1/2	1	0,8	Not	2
3 a 3 1/2	1	1,6	less	2
4	+2 -1	1,6	than	2
5 a 6	+3 -1	1,6	87,50%	2
8	2	1,6	of nominal	2
10	+4 -3	3,2	tickness	2
12 a 18	+4 -3	3,2		3
20 a 24	+6 -5	4,8		3
26 a 30	+7 -5	4,8		3
32 a 48	+7 -5	4,8		5

ASME B16.9 Reducers Weights

WEIGHTS OF FITTINGS
NPS inches	REDUCERS*
NPS inches	Sch. 5S	Sch. 10S	Sch. 40S	Sch. 80S
1/2	0.04	0.04	0.05	0.06
3/4	0.10	0.10	0.14	0.18
1	0.12	0.12	0.16	0.22
1 1/4	0.18	0.18	0.22	0.27
1 1/2	0.21	0.21	0.28	0.33
2	0.30	0.30	0.40	0.55
2 1/2	0.45	0.45	0.80	1.00
3	0.50	0.50	0.90	1.20
4	0.80	0.80	1.50	2.20
5	1.40	1.40	2.70	3.70
6	2.00	2.00	4.00	5.80
8	3.10	3.10	6.90	9.30
10	4.80	4.80	10.5	14.5
12	9.00	9.00	19.0	25.0
14	15.5	15.5	31.0	41.5
16	19.0	19.0	38.0	50.5
18	23.0	23.0	46.0	61.5
20	34.0	34.0	58.5	78.0
24	50.0	50.0	75.0	100

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