Welwin Pipes & Fittings

ASME B16.9 BUTTWELD REDUCING CROSS

Welwin Pipes & Fittings is a dynamic group, which was established over a decade ago to cater to growing demands of ASME B16.9 Buttweld Reducing Cross standards in Elbow, Tee, Cross, Reducers, Nipple , Coupling etc in all materials like Stainless Steel , Carbon Steel & High Nickel Alloys. We Manufacture, Export and Supply Buttweld Fittings which meets with national and international quality standards and producing base which owns equipments conforming to international technical level and is well equipped with a whole set of advanced plasma refining equipments
We manufacture all 3 groups of Fittings such as Buttweld (BW) fittings, Socket Weld (SW) fittings & Threaded (THD) fittings as per ASME B16.11 standards & other International standards. We export our high quality ASME B16.9 Buttweld Reducing Cross to Kuwait, Egypt and Qatar.

SPECIFICATIONS OF ASME B16.9 BUTTWELD REDUCING CROSS

Sizes: 1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” )

Standards: ASME / 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.

Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.

Type: Buttweld (BW)

Material and Grades:

Carbon Steel:
ASTM A234 Gr. WPB
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
Stainless Steel:
ASTM A403 WP316/316L
ASTM A403 WP304/304L
ASTM A182 F316L, 304L

DIMENSIONS OF ASME B16.9 BUTTWELD REDUCING CROSS

Nominal Diameter		Outside Diameter				Center to End
Nominal Diameter		D1		D2		Center to End
DN	NPS	Series A	Series B	Series A	Series B	C	M
15×15	1/2×1/2	21.3	18	21.3	18	25	25
15×10	1/2×3/8	21.3	18	17.3	14	25	25
15×8	1/2×1/4	21.3	18	13.7	10	25	25
20×20	3/4×3/4	26.9	25	26.9	25	29	29
20×15	3/4×1/2	26.9	25	21.3	18	29	29
20×10	3/4×3/8	26.9	25	17.3	14	29	29
25×25	1×1	33.7	32	33.7	32	38	38
25×20	1×3/4	33.7	32	26.9	25	38	38
25×15	1×1/2	33.7	32	21.3	18	38	38
32×32	1.1/4×1.1/4	42.4	38	42.4	38	48	48
32×25	1.1/4×1	42.4	38	33.7	32	48	48
32×20	1.1/4×3/4	42.4	38	26.9	25	48	48
32×15	1.1/4×1/2	42.4	38	21.3	18	48	48
40×40	1.1/2×1.1/2	48.3	45	48.3	45	57	57
40×32	1.1/2×1.1/4	48.3	45	42.4	38	57	57
40×25	1.1/2×1	48.3	45	33.7	32	57	57
40×20	1.1/2×3/4	48.3	45	26.9	25	57	57
40×15	1.1/2×1/2	48.3	45	21.3	18	57	57
50×50	2×2	60.3	57	60.3	57	64	64
50×40	2×1.1/2	60.3	57	48.3	45	64	60
50×32	2×1.1/4	60.3	57	42.4	38	64	57
50×25	2×1	60.3	57	33.7	32	64	51
50×20	2×3/4	60.3	57	26.9	25	64	44
65×65	2/1/2×2.1/2	73.0	76	73.0	76	76	76
65×50	2/1/2×2	73.0	76	60.3	57	76	70
65×40	2/1/2×1.1/2	73.0	76	48.3	45	76	67
65×32	2/1/2×1.1/4	73.0	76	42.4	38	76	64
65×25	2/1/2×1	73.0	76	33.7	32	76	57
80×80	3×3	88.9	89	88.9	89	86	86
80×65	3×2.1/2	88.9	89	73.0	76	86	83
80×50	3×2	88.9	89	60.3	57	86	76
80×40	3×1.1/2	88.9	89	48.3	45	86	73
80×32	3×1.1/4	88.9	89	42.4	38	86	70
90×90	3.1/2×3.1/2	101.6	-	101.6	-	95	95
90×80	3.1/2×3	101.6	-	88.9	89	95	92
90×65	3.1/2×2.1/2	101.6	-	73.0	76	95	89
90×50	3.1/2×2	101.6	-	60.3	57	95	83
90×40	3.1/2×1.1/2	101.6	-	48.3	45	95	79
100×100	4×4	114.3	108	114.3	108	105	105
100×90	4×3.1/2	114.3	108	101.6	-	105	102
100×80	4×3	114.3	108	88.9	89	105	98
100×65	4×2.1/2	114.3	108	73.0	76	105	95
100×50	4×2	114.3	108	60.3	57	105	89
100×40	4×1.1/2	114.3	108	48.3	45	105	86
125×125	5×5	141.3	133	141.3	133	124	124
125×100	5×4	141.3	133	114.3	108	124	117
125×90	5×3.1/2	141.3	-	101.6	-	124	114
125×80	5×3	141.3	133	88.9	89	124	111
125×65	5×2.1.2	141.3	133	73.0	76	124	108
125×50	5×2	141.3	133	60.3	57	124	105
150×150	6×6	168.3	159	168.3	159	143	143
150×125	6×5	168.3	159	141.3	133	143	137
150×100	6×4	168.3	159	114.3	108	143	130
150×90	6×3.1/2	168.3	-	101.6	-	143	127
150×80	6×3	168.3	159	88.9	89	143	124
150×65	6×2.1/2	168.3	159	73.0	76	143	121
200×200	8×8	219.1	219	219.1	219	178	178
200×150	8×6	219.1	219	168.3	159	178	168
200×125	8×5	219.1	219	141.4	133	178	162
200×100	8×4	219.1	219	114.3	108	178	156
200×90	8×3.1/2	219.1	-	101.6	-	178	152
250×250	10×10	273.0	273	273.0	273	216	216
250×200	10×8	273.0	273	219.1	219	216	203
250×150	10×6	273.0	273	168.3	159	216	194
250×125	10×5	273.0	273	141.3	133	216	191
250×100	10×4	273.0	273	114.3	108	216	184
300×300	12×12	323.9	325	323.9	325	254	254
300×250	12×10	323.9	325	273.0	273	254	241
300×200	12×8	323.9	325	219.1	219	254	229
300×150	12×6	323.9	325	168.3	159	254	219
300×125	12×5	323.9	325	141.3	133	254	216
350×350	14×14	355.6	377	355.6	377	279	279
350×300	14×12	355.6	377	323.9	325	279	270
350×250	14×10	355.6	377	273.0	273	279	257
350×200	14×8	355.6	377	219.1	219	279	248
350×150	14×6	355.6	377	168.3	159	279	238
400×400	16×16	406.4	426	406.4	426	305	305
400×350	16×14	406.4	426	355.6	377	305	305
400×300	16×12	406.4	426	323.9	325	305	295
400×250	16×10	406.4	426	273.0	273	305	283
400×200	16×8	406.4	426	219.1	219	305	273
400×150	16×6	406.4	426	168.3	159	305	264
450×450	18×18	457	480	457	480	343	343
450×400	18×16	457	480	406.4	426	343	330
450×350	18×14	457	480	355.6	377	343	330
450×300	18×12	457	480	323.9	325	343	321
450×250	18×10	457	480	273.0	273	343	308
450×200	18×8	457	480	219.1	219	343	298
500×500	20×20	508	530	508	530	381	381
500×450	20×20	508	530	457	480	381	368
500×400	20×20	508	530	406.4	426	381	356
500×350	20×20	508	530	355.6	377	381	356
500×300	20×20	508	530	323.9	325	381	346
500×250	20×20	508	530	273.0	273	381	333
500×200	20×20	508	530	219.1	219	381	324

PACKAGING OF ASME B16.9 BUTTWELD REDUCING CROSS

Packaging: ASME B16.9 Buttweld Reducing Cross Flanges is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.

Prevent any damage.
During transportation items are tagged, packed in plastic bags and closed in carton boxes or seaworthy wooden cases.

plywood case,pallet and according to customer's requirment

Marking: ASME B16.9 Buttweld Reducing Cross Flanges are marked with alloy name, outside diameter, wall thickness and heat number. Additional information like standard and alloy numbers can be added on request.