Butt-Welding Fittings

ASTM A403 Butt-Weld Fittings Specifications

HYSS Group lists butt-welding fittings for industrial piping, including long-radius and short-radius elbows, tees, crosses, reducers, caps and stub ends. The product page includes ASTM A403 and ASME/ANSI B16.9 references with published dimension data.

90° Elbows long radius

45° Elbows long radius

Straight tees & Crosses

Straight tees

Reducing tees & Reducers

90° Elbows short radius

180° Elbows long radius & long radius

Buttweld Stub Ends

Caps

90°Elbows Long Radius

Standard Weight, Extra Strong, Schedule 160, Double Extra Strong Carbon and ferritic alloy steel, carbon , stainless duplex and alloy steel, ASTM A-234, ASME/ANSI Bl6.9,ASTM A-234,A403, A420,A8 15,ASME/ANSI Bl6.9.


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NPS DN

Outside 

Diameter 

at 

Bevel O.D.

(mm)

Centre to 

End 

Nominal A

(mm)

STANDARD WEIGHTEXTRA STRONG

Inside 

Diameter 

l.D.

(mm)

Wall 

Thickness 

T

(mm)


Approx. 

Weight (kg)

Inside 

Diameter 

l.D.

(mm)

Wall 

Thickness 

T

(mm)

Approx. 

Weight (kg)

15
213815.802.770.0913.873.73.09
 3/420272920.932.870.1418.853.91.09
1    25333826.643.380.1824.314.550.23
1 1/432424835.053.560.2332.464.850.32
1 1/240485740.893.680.3438.105.080.45
2    50607652.503.910.6849.255.540.9
2    65739562.715.161.3559.007.011.8
3 1/2808911477.935.492.0373.667.622.7
(2)3 1/2 9010213390.125.742.885.458.083.83
4    100114152102.266.023.897.188.565.4
5    125141190128.196.556.4122.259.539.0
6    150168229154.057.1110.4146.3310.9714
8    200219305202.728.1820193.6812.7031
10    250273381254.59.2735247.6512.7050
12    300324457304.89.5353298.4512.7068
14    350356533336.69.5366330.212.7086
16    400406610386.19.5391381.012.70116
18    450457686438.29.53115431.812.70147
20    50050862489.09.53139482.612.70189
22    550559838539.89.53177533.412.70234
24    600616914590.69.53201584.212.70273
26    650660991641.49.53247635.012.70328
30    7507621143743.09.53331736.612.70429
36    9009141372895.49.53478889.012.70635
42∆1100106716001,047.89.536161,041.112.70820





NPS DN

Outside 

Diameter 

at 

Bevel O.D.

(mm)


Centre to 

End

Nominal

A

(mm)

SCHEDULE 160

DOUBLE 

EXTRA STRONG

Inside

 Diameter

 l.D.

(mm)

Wall

Thickness 

T

(mm)

Approx. 

Weight (kg)

Inside

Diameter 

l.D.

(mm)

Wall

Thickness 

T

(mm)

Approx. 

Weight (kg)

15
2138------
 3/4202729------
1    25333820.76.350.2715.219.090.36
1 1/432424829.56.350.4522.769.700.63
1 1/240485734.07.140.8127.9410.160.90
2    50607642.98.741.4438.1811.071.71
2    65739554.09.532.7044.9814.023.20
3 1/2808911466.711.134.0558.4215.245.04
(2)3 1/2 90102133---69.2916.157.3
4    10011415287.313.498.580.0617.129.5
5    125141190109.615.8815103.2019.0517
6    150168229131.818.2627124.3821.9528
8    200219305173.0523.0157174.6322.2354
10    250273381215.9028.58122


12    300324457257.2033.53207


14    350356533284.1835.71253


16    400406610325.4240.49371


18    450457686

1) May be furnished as 1.5 in (38mm)  at the manufacturer's option.

2) 3-1/2XXS is not specified in ASME/ANST B36.10M. 

(∆)Produced from X-rayed, stress-relieved welded pipe. 

Welds are 100% radiographed in accordance with the 

requirements of ASME Boiler&Pressure Vessel Code.

These fittings are also available in 

other sizes and/or wall thicknesses.

20    50050862
22    550559838
24    600616914
26    650660991
30    7507621143
36    9009141372
42∆110010671600


45°elbow long radius and 90°elbow long radius                         MILLIMETRES        KILOGRAMS 

Size range: 1/2'' - 48''

Materials include: stainless steel, carbon and alloy steel, duplex,supper duples. ASME/ANSI B16.28 ASTM A-234 ASME/ANSI B16.9 ASTM A403 A234 A420 ASTM A8 15 AWWA C208

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Steel: US$5,000+ or 10+ MT. Laser machines: US$20,000+.

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