Butt-Welding Fittings | 盟諭股份有限公司

Specification

Applicable Standard
・ ASTM A234 Pipe Fitting of Wrought Carbon Steel and Alloy Steel for Mod erate and Elevated Temperatures
・ ASTM A403 Wrought Austenitic Stainless Steel Piping Fittings
・ASTM A420 Pipe Fitting of Wrought Carbon Steel and Alloy Steel for low Temperatures Service
・ ANSI B16.9 Factory-Made Wrought Steel Butt-Welding Fitting
・ ANSI B16.28 Wrought Steel Butt-Welding Short Radius Elbows and Returns
・ MSS SP-43 Wrought Stainless Steel Butt-Welding Fittings
・ MSS SP-75 Specification for High Test Wrought Welding Fittings
・ JIS B2311 Steel Butt-Welding Pipe Fittings for Ordinary Use
・ JIS B2312 Steel Butt-Welding Pipe Fittings for Special Use
・ JIS B2313 Steel Plate Butt-Welding Pipe Fittings

Designation part number system
W	1	2	3	4	5
	Name of Fitting	Thickness	Size	Pipe manufacturing type	Material / Finish

1 Name of Fitting / Code
Reference Cat. NO.

2 Thickness / Code
Thickness	Code
SCH5	S5
SCH10	S10
SCH20	S20
SCH40	S40
SCH80	S80

3 Size / Code
Size	1/2"	3/4"	1"	1-1/4"	1-1/2"	2"	2-1/2"	3"～8"	10"～44"
Code	04	06	1	12	15	2	25	3～8	100～440

4 Pipe manufacturing type / Code
Pipe manufacturing type	Code
SEAM	W
SEAMLESS	SE

5 material / Code
material	material	Code
Carbon Steel		A
Stainless Steel 304		S4
Carbon Steel	Zinc Electroplated	E
Stainless Steel 316		S6
Carbon Steel	Hot Dip Galvanized	H

Example
W	L90	S40	3	W	H
	Name of Fitting	Thickness	Size	Pipe manufacturing type	Material / Finish
	90°Elbow	SCH40	3"	SEAM	Carbon Steel(Hot Dip Galvanized)

Example
W	T	S80	120	SE	A
	Name of Fitting	Thickness	Size	Pipe manufacturing type	Material / Finish
	Tees	SCH80	12"	SEAMLESS	Carbon Steel

Introduction

Dimensional Tolerances (in: mm)

ANSI B16.9 , B16.28

Nominal
Pipe
Size

All Fittings

90° / 45°
Elbows
and Tee

Reducers
Lap Joint
Stub Ends

Cap

180° Returns

Lap Joint Stub Ends

Outside
Diameter
at Bevel

Inside
Diameter
at End

Wall
Thread

Center
to end
Dimension

Overall
Length

Center
to Center
Dimension

Back to
Face
Dimension

Aligment
of
Ends

Outside
Diameter
of Lap

Thickness
of Lap

Fillet
Radius
of Lap

Inch

O.D

I.D

T

A, B, C, M

F, H

E

P

K

U

G

T

R

1/2～2-1/2

+1.52, -0.76

±0.76

Not
less
than
87.5%
of
norminal
thickness

±1.52

±3.05

±6.35

±0.76

+0, -0.76

+1.52, -0

+0, -0.76

3～3-1/2

±1.52

±3.05

±6.35

±0.76

+0, -0.76

+1.52, -0

+0, -0.76

4

±1.52

±3.05

±6.35

±0.76

+0, -0.76

+1.52, -0

+0, -0.76

5～8

+2.29, -1.52

+1.52

±1.52

±6.35

±0.76

+0, -0.76

+1.52, -0

+0, -0.76

10～18

+4.06, -3.05

±3.05

±2.29

±6.35

±9.65

±6.35

±1.52

+0, -1.52

+1.52, -0

+0, -1.52

20～24

+6.35, -4.83

±4.83

±2.29

±6.35

±9.65

±6.35

±1.52

+0, -1.52

+1.52, -0

+0, -1.52

26～30

+6.35, -4.83

±4.83

±3.05

±4.83

±9.65

-

32～48

+6.35, -4.83

±4.83

±9.65

-

MSS SP-43
Nominal Pipe Size	All Fittings		90°/45° Elbows and Tee	Reducers Lap Joint Stub Ends	Cap	180° Returns			Lap Joint Stub Ends
Nominal Pipe Size	Outside Diameter at Welding End	Wall Thread	Center to end Dimension	Overall Length	Overall Length	Center to Center Dimension	Back to Face Dimension	Aligment of Ends	Outside Diameter of Lap	Fillet Radius of Lap
Inch	Outside Diameter at Welding End	T	A, B, C, M	F, H	E	P	K	U	G	R
1/2～2-1/2	±0.76	Not less than 87.5% of norminal thickness	±1.52	±1.52	±3.05	±6.35	±6.35	±0.76	+0, -0.76	+0, -0.76
3～3-1/2	±0.76		±1.52	±1.52	±3.05	±6.35	±6.35	±0.76	+0, -0.76	+0, -0.76
4	±0.76		±1.52	±1.52	±3.05	±6.35	±6.35	±0.76	+0, -1.52	+0, -0.76
5～8	+1.52, -0.76		±1.52	±1.52	±6.35	±6.35	±6.35	±0.76	+0, -1.52	+0, -0.76
10～18	+2.29, -0.76		±2.29	±2.29	±6.35	±9.65	±6.35	±1.52	+0, -1.52	+0, -1.52
20～24	+3.05, -0.76		±2.29	±2.29	±6.35	±9.65	±6.35	±1.52	+0, -1.52	+0, -1.52

MSS SP-75
Nominal Pipe Size	Inside Diameter at End	Mimum Wall Thickness	Out Of Roundness			90°,60°,45°,30° Elbows and Tee Center to End Dimension		Reducers Over all Length	Cap Over all Length
			At End of Fittings		Throughout Body of Elbows
			Elbows	Other		A, B, C, M
Inch						1-1/2R & Tee	3R	H	E
16～24	±2.29	Norminal -0.25	4.83	3.05	2.5%	±2.29	±3.05	±2.29	±6.35
26～36	±2.2		1% of diameter	3.05	2.5%	±3.05	±6.35	±4.83	±9.65
38～48	±3.05		1% of diameter	3.05	2.5%	±4.83	±9.65	±9.65	±9.65

Approximates weights (unit: kg/pc)
Nominal Pipe Size	90° LR Elbows				45° LR Elbows				90° SR Elbows
Nominal Pipe Size	5S	10S	40S	80S	5S	10S	40S	80S	5S	10S	40S	80S
1/2	0.049	0.06	0.075	0.11	0.024	0.03	0.038	0.09	-	-	-	-
3/4	0.062	0.06	0.075	0.11	0.031	0.03	0.037	0.09	-	-	-	-
1	0.078	0.14	0.16	0.23	0.039	0.1	0.12	0.14	0.077	0.094	0.118	0.18
1-1/4	0.125	0.24	0.26	0.4	0.063	0.14	0.17	0.23	0.101	0.152	0.204	0.28
1-1/2	0.17	0.28	0.35	0.5	0.085	0.18	0.2	0.31	0.114	0.189	0.245	0.34
2	0.286	0.46	0.66	1	0.143	0.31	0.4	0.54	0.191	0.318	0.434	0.68
2-1/2	0.576	0.8	1.3	1.8	0.288	0.45	0.7	0.96	0.383	0.541	0.909	1.3
3	0.81	1.2	2.15	3	0.405	0.65	1.1	1.6	0.54	0.761	1.36	1.9
3-1/2	1.08	1.53	2.82	3.8	0.54	0.76	1.41	2	0.719	1.02	1.88	2.7
4	1.39	2	4	6.1	0.696	1.05	1.95	2.8	0.928	1.31	2.56	3.8
5	2.83	3.42	6.48	10	1.42	1.71	3.24	4.8	1.89	2.28	4.32	6.3
6	4.03	5.25	9.94	15.8	3.01	2.43	4.97	7.9	2.68	3.24	6.63	10.4
8	7.06	10	20.1	32	3.53	5.01	10.1	15.8	4.71	6.68	13.4	21.55
10	13.2	15	35.4	48	6.62	7.77	17.7	23.9	8.83	10.4	23.6	31.75
12	22.3	25.9	56.2	72	11.1	12.5	28.1	38	14.8	16.7	37.5	47.17

Nominal Pipe Size	Caps				Tees
Nominal Pipe Size	5S	10S	40S	80S	5S	10S	40S	80S
1/2	0.03	0.032	0.04	0.05	0.053	0.09	0.12	0.2
3/4	0.04	0.04	0.05	0.06	0.075	0.12	0.16	0.27
1	0.053	0.09	0.11	0.14	0.128	0.28	0.3	0.4
1-1/4	0.066	0.11	0.14	0.18	0.203	0.45	0.49	0.72
1-1/2	0.076	0.14	0.18	0.24	0.281	0.59	0.75	1
2	0.099	0.19	0.24	0.34	0.384	0.8	0.96	1.8
2-1/2	0.169	0.24	0.35	0.5	0.732	1.18	1.95	3.2
3	0.253	0.4	0.7	0.86	0.958	1.55	2.8	3.8
3-1/2	0.34	0.56	1.05	1.1	1.21	1.71	3.17	5.4
4	0.409	0.58	1.2	1.6	1.49	2.45	4.65	7.1
5	0.805	1	1.8	2.5	2.85	3.45	6.54	11.7
6	1.11	1.6	2.8	4.5	3.88	5.02	10	18
8	1.74	2.5	5.4	7.4	6.27	8.91	17.9	33.8
10	3.26	4.9	9.1	12.3	11.4	13.4	30.4	47.3
12	5.47	6.5	13	17	18.7	21	47.2	72

Nominal Pipe Size	Stub Ends-ANSI Length				Stub Ends-MSS Length
Nominal Pipe Size	5S	10S	40S	80S	5S	10S	40S	80S
1/2	0.059	0.077	0.145	0.172	0.47	0.6	0.77	-
3/4	0.068	0.086	0.163	0.231	0.58	0.73	0.99	-
1	0.091	0.141	0.222	0.395	0.104	0.172	0.206	-
1-1/4	0.132	0.209	0.318	0.562	0.13	0.217	0.276	-
1-1/2	0.159	0.25	0.4	0.685	0.145	0.242	0.315	-
2	0.245	0.377	0.704	1.41	0.184	0.308	0.424	-
2-1/2	0.35	0.472	1.071	2.11	0.303	0.43	0.731	-
3	0.468	0.64	1.489	2.89	0.342	0.484	0.87	-
3-1/2	-	-	-	-	-	-	-	-
4	0.713	0.981	2.533	4.25	0.432	0.614	1.2	-
5	1.049	1.239	3.609	7.58	0.726	0.878	1.68	-
6	1.625	1.952	5.58	10.43	0.887	1.08	2.21	-
8	2.452	3.11	10	15.83	1.36	1.94	3.93	-
10	4.045	4.871	13.89	24.31	2.15	2.53	5.8	-
12	6.615	7.123	19.97	29.35	2.89	3.25	7.34	-

Nominal Pipe Size	Reducing Tees
Nominal Pipe Size	5S	10S	40S	80S
3/4 x 1/2	0.11	0.13	0.23	0.23
1 x 3/4	0.021	0.27	0.42	0.45
1 x 1/2	0.2	0.25	0.4	0.45
1-1/4 x 1	0.31	0.52	0.68	0.79
1-1/4 x 3/4	0.3	0.5	0.68	0.79
1-1/4 x 1/2	0.29	0.48	0.68	0.79
1-1/2 x 1-1/4	0.4	0.68	1.02	1.13
1-1/2 x 1	0.39	0.64	0.99	1.13
1-1/2 x 3/4	0.38	0.66	0.97	1.13
1-1/2 x 1/2	0.36	0.6	0.91	1.13
2 x 1-1/2	0.49	0.82	1.7	1.93
2 x 1-1/4	0.46	0.78	1.63	1.87
2 x 1	0.45	0.76	1.59	1.86
2 x 3/4	0.42	0.62	1.47	1.81
2 x 1/2	0.42	0.62	1.47	1.81
2-1/2 x 2	0.81	1.36	2.72	3.26
2-1/2 x 1-1/2	0.74	1.24	2.49	3.23
2-1/2 x 1-1/4	0.7	1.19	2.38	3.2
2-1/2 x 1	0.67	1.13	2.27	3.18
3 x 2-1/2	1.22	1.77	3.06	3.74
3 x 2	1.17	1.7	2.95	3.63
3 x 1-1/2	1.12	1.66	2.84	3.48
3 x 1-1/4	1.12	1.64	2.84	3.45
3 x 1	1.12	1.64	2.84	3.45
3-1/2 x 3	1.53	2.22	3.99	5.72
3-1/2 x 2-1/2	1.48	2.15	3.86	5.53
3-1/2 x 2	1.45	2.04	3.76	5.35
3-1/2 x 1-1/2	1.4	1.91	3.63	5.22
4 x 3-1/2	1.79	2.59	5.35	7.08
4 x 3	1.76	2.54	5.26	7.08
4 x 2-1/2	1.7	2.47	5.13	7.03
4 x 2	1.71	2.46	5.08	7.03
4 x 1-1/2	1.68	2.44	5.03	6.89
5 x 4	3.76	5.44	9.53	11.57
5 x 3-1/2	3.67	5.31	9.3	11.34
5 x 3	3.59	5.17	9.07	11.11
5 x 2-1/2	3.49	5.03	8.85	10.89
5 x 2	3.41	4.9	8.62	10.66
6 x 5	6.26	7.71	15.53	18.14
6 x 4	6.03	7.48	15.3	17.78
6 x 3-1/2	5.94	7.35	14.07	17.33
6 x 3	5.85	7.26	14.85	16.78
6 x 2-1/2	5.76	7.12	14.62	16.33
6 x 2	5.76	7.12	14.62	16.33
8 x 6	9.21	11.34	24.49	35.57
8 x 5	9.03	11.11	24.04	33.11
8 x 4	8.8	10.84	23.45	32.52
8 x 3-1/2	8.62	10.61	23	31.98
10 x 8	12.34	16.22	38.99	49.72
10 x 6	12.11	16.15	37.86	48.53
10 x 5	11.57	14.04	36.76	48.35
10 x 4	11.25	13.91	36.63	47.22
12 x 10	18.78	24.49	53.98	83.46
12 x 8	18.42	24.04	53.07	79.38
12 x 6	17.96	23.45	51.71	74.84
12 x 5	17.33	22.59	49.9	72.58

Nominal Pipe Size	Con. & Ecc. Reducers
Nominal Pipe Size	5S	10S	40S	80S
3/4 x 1/2	0.05	0.05	0.06	0.1
1 x 3/4	0.1	0.1	0.11	0.2
1 x 1/2	0.09	0.1	0.11	0.2
1-1/4 x 1	0.11	0.14	0.16	0.23
1-1/4 x 3/4	0.11	0.13	0.15	0.23
1-1/4 x 1/2	0.1	0.13	0.15	0.23
1-1/2 x 1-1/4	0.15	0.19	0.25	0.35
1-1/2 x 1	0.13	0.18	0.23	0.34
1-1/2 x 3/4	0.12	0.175	0.22	0.33
1-1/2 x 1/2	0.11	0.165	0.21	0.29
2 x 1-1/2	0.17	0.29	0.4	0.54
2 x 1-1/4	0.16	0.28	0.39	0.52
2 x 1	0.15	0.27	0.38	0.5
2 x 3/4	0.13	0.26	0.36	0.45
2 x 1/2	0.13	0.25	0.34	0.45
2-1/2 x 2	0.28	0.46	0.68	0.91
2-1/2 x 1-1/2	0.26	0.44	0.65	0.86
2-1/2 x 1-1/4	0.24	0.43	0.64	0.84
2-1/2 x 1	0.23	0.42	0.63	0.79
3 x 2-1/2	0.34	0.56	0.94	1.25
3 x 2	0.31	0.55	0.91	1.18
3 x 1-1/2	0.3	0.53	0.88	1.13
3 x 1-1/4	0.28	0.52	0.86	1.09
3 x 1	0.28	0.51	0.85	1.09
3-1/2 x 3	0.54	0.72	1.3	1.81
3-1/2 x 2-1/2	0.49	0.71	1.2	1.59
3-1/2 x 2	0.47	0.7	1.1	1.59
3-1/2 x 1-1/2	0.43	0.64	0.98	1.47
4 x 3-1/2	0.56	0.85	1.6	2.15
4 x 3	0.54	0.83	1.5	2.04
4 x 2-1/2	0.52	0.81	1.4	1.99
4 x 2	0.48	0.78	1.35	1.93
4 x 1-1/2	0.46	0.75	1.3	1.81
5 x 4	1.15	1.4	2.7	3.74
5 x 3-1/2	1.11	1.35	2.58	3.52
5 x 3	1.06	1.3	2.48	3.4
5 x 2-1/2	1.01	1.18	2.37	3.18
5 x 2	0.96	1.05	2.26	2.95
6 x 5	1.5	1.95	3.7	5.44
6 x 4	1.48	1.9	3.5	5.22
6 x 3-1/2	1.46	1.8	3.45	4.99
6 x 3	1.42	1.7	3.4	4.76
6 x 2-1/2	1.28	1.6	3.3	4.54
6 x 2	1.28	1.5	3.2	4.54
8 x 6	2.02	3.08	5.9	8.48
8 x 5	1.84	2.96	5.4	8.16
8 x 4	1.79	2.76	5	7.71
8 x 3-1/2	1.72	2.68	5	7.48
10 x 8	3.67	5	9.9	13.38
10 x 6	3.58	4.8	9.7	13.38
10 x 5	3.5	4.6	9.5	12.7
10 x 4	3.33	3.64	9.04	11.57
12 x 10	6.4	7.42	15.2	19.73
12 x 8	6.08	7.22	14.4	19.05
12 x 6	5.85	6.82	14	18.14
12 x 5	5.76	6.59	13.61	17.69

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