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What is A860 Butt Weld Concentric Reducer
When you have demand to connect two parts pipes ends of different sizes, a concentric reducer is applied, but please notice the two pipe ends should be on the same center axis in the pipe line. Depending on the connecting type, there are three kinds of reducer: butt weld, socket weld and threaded. When in a butt weld pipeline steel pipe system, mostly material in ASTM A860 standard, a A860 butt weld concentric reducer will be used.
The concentric reducer can be made from different kind of materials including carbon steel, alloy steel and stainless steel depending on the whole pipeline. ASTM 860 is the generic terms of pipeline steel, which covers different grade like WPHY 42/46/52/60/65/70.
Difference Between Concentric Reducer and Eccentric Reducer
Different from eccentric reducer, a concentric reducer keep their center line in the same center line. Concentric reducers, they decrease the outer diameter of the pipe ends at a stable ate over one certain length, to reduce the pipe size and keep the pipes system symmetrical at the same time. Eccentric reducers are usually used on the flat surface on the ground because it is more easy to place the pipes on the track.
ASME B16.9 Concentric Reducer Specification
When we taking about a A860 butt weld concentric reducer, the manufacturing standard suit for it is ASMEB 16.9, the specification for butt welded fittings, here is the dimension chart of B16.9 concentric reducer.
NOMINAL PIPE SIZE | OUTSIDE DIAMETER | END TO END | |
Inch | D | P | H |
3/4 x 1/2 | 26.7 | 21.3 | 38 |
3/4 x 3/8 | 26.7 | 17.1 | 38 |
1 x 3/4 | 33.4 | 26.7 | 51 |
1 x 1/2 | 33.4 | 21.3 | 51 |
1 1/4 x 1 | 42.2 | 33.4 | 51 |
1 1/4 x 3/4 | 42.2 | 26.7 | 51 |
1 1/4 x 1/2 | 42.2 | 21.3 | 51 |
1 1/2 x 1 1/2 | 48.3 | 42.2 | 64 |
1 1/2 x 1 | 48.3 | 33.4 | 64 |
1 1/2 x 3/4 | 48.3 | 26.7 | 64 |
1 1/2 x 1/2 | 48.3 | 21.3 | 64 |
2 x 1 1/2 | 60.3 | 48.2 | 76 |
2 x 1 1/4 | 60.3 | 42.2 | 76 |
2 x 1 | 60.3 | 33.4 | 76 |
2 x 3/4 | 60.3 | 26.7 | 76 |
2 1/2 x 2 | 73 | 60.3 | 89 |
2 1/2 x 1 1/2 | 73 | 48.3 | 89 |
2 1/2 x 1 1/4 | 73 | 42.2 | 89 |
2 1/2 x 1 | 73 | 33.4 | 89 |
3 x 2 1/2 | 88.9 | 73 | 89 |
3 x 2 | 88.9 | 60.3 | 89 |
3 x 1 1/2 | 88.9 | 48.3 | 89 |
3 x 1 1/4 | 88.9 | 42.2 | 89 |
3 1/2 x 3 | 101.6 | 88.9 | 102 |
3 1/2 x 21/2 | 101.6 | 73 | 102 |
3 1/2 x 2 | 101.6 | 60.3 | 102 |
3 1/2 x 1 1/2 | 101.6 | 48.3 | 102 |
3 1/2 x 1 1/4 | 101.6 | 42.2 | 102 |
4 x 3 1/2 | 114.3 | 101.6 | 102 |
4 x 3 | 114.3 | 88.9 | 102 |
4 x 2 1/2 | 114.3 | 73 | 102 |
4 x 2 | 114.3 | 60.3 | 102 |
4 x 1 1/2 | 114.3 | 48.3 | 102 |
5 x 4 | 141.3 | 114.3 | 127 |
5 x 3 1/2 | 141.3 | 101.6 | 127 |
5 x 3 | 141.3 | 88.9 | 127 |
5 x 2 1/2 | 141.3 | 73 | 127 |
5 x 2 | 141.3 | 60.3 | 127 |
6 x 5 | 168.3 | 141.3 | 140 |
6 x 4 | 168.3 | 114.3 | 140 |
6 x 3 1/2 | 168.3 | 101.6 | 140 |
6 x 3 | 168.3 | 88.9 | 140 |
6 x 2 1/2 | 168.3 | 73 | 140 |
8 x 6 | 219.1 | 168.3 | 152 |
8 x 5 | 219.1 | 141.3 | 152 |
8 x 4 | 219.1 | 114.3 | 152 |
8 x 3 1/2 | 219.1 | 101.6 | 152 |
10 x 8 | 273.1 | 219.1 | 178 |
10 x 6 | 273.1 | 168.1 | 178 |
10 x 5 | 273.1 | 141.3 | 178 |
10 x 4 | 273.1 | 114.3 | 178 |
12 x 10 | 323.9 | 273.1 | 203 |
12 x 8 | 323.9 | 219.1 | 203 |
12 x 6 | 323.9 | 168.3 | 203 |
12 x 5 | 323.9 | 141.3 | 203 |
14 x 12 | 355.6 | 323.9 | 330 |
14 x 10 | 355.6 | 273.1 | 330 |
14 x 8 | 355.6 | 219.1 | 330 |
14 x 6 | 355.6 | 168.3 | 330 |
16 x 14 | 406.4 | 355.6 | 356 |
16 x 12 | 406.4 | 323.9 | 356 |
16 x 10 | 406.4 | 273.1 | 356 |
16 x 8 | 406.4 | 219.1 | 356 |
16 x 6 | 406.4 | 168.3 | 356 |
18 x 16 | 457 | 406.4 | 381 |
18 x 14 | 457 | 355.6 | 381 |
18 x 12 | 457 | 323.9 | 381 |
18 x 10 | 457 | 273.1 | 381 |
18 x 8 | 457 | 219.1 | 381 |
20 x 18 | 508 | 457 | 508 |
20 x 16 | 508 | 406.4 | 508 |
20 x 14 | 508 | 355.6 | 508 |
20 x 12 | 508 | 323.9 | 508 |
20 x 10 | 508 | 273.1 | 508 |
20 x 8 | 508 | 219.1 | 508 |
22 x 20 | 559 | 508 | 508 |
22 x 18 | 559 | 457 | 508 |
22 x 16 | 559 | 406.4 | 508 |
22 x 14 | 559 | 355.6 | 508 |
22 x 12 | 559 | 323.9 | 508 |
24 x 10 | 559 | 273.1 | 508 |
24 x 22 | 610 | 559 | 508 |
24 x 20 | 610 | 508 | 508 |
24 x 18 | 610 | 457 | 508 |
24 x 16 | 610 | 406.4 | 508 |
24 x 14 | 610 | 355.6 | 508 |
24 x 12 | 610 | 323.9 | 508 |
24 x 10 | 610 | 273.1 | 508 |
A860 Butt Weld Concentric Reducer Package
For small size A860 butt weld concentric reducer,we will use wooden case with plastic protector at the end.
For large sizeA860 steel butt weld concentric reducer, we will use wooden pallet with water proof plastic film outside.
For all sizes, the panting of the fittings can be customized.
Chemical Composition of A860 Material
Carbon | ≤0.20*A |
Manganese | 1.00-1.45 |
Phosphorus | ≤0.030 |
Sulfur | ≤0.010 |
Silicon | 0.15-0.40*B |
Nickel | ≤0.50*C |
Chromium | ≤0.30*C |
Molybdenum | ≤0.25*C |
Copper | ≤0.35*C |
Titanium | ≤0.05 |
Vanadium | ≤0.10 |
Columbium | ≤0.04 |
Vanadium plus Columnium | ≤0.12 |
Aluminum | ≤0.06 |
*The carbon equivalent C.E.=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 shall not exceed 0.42%.
*B If vacuum carbon deoxidation is used, silicon shall not exceed 0.10% by heat analysis and 0.12% by product analysis.
*C The sum of Ni+Cr+Mo+Cu shall not exceed 1.0%.
Mechanical Property of A860 Material
ASTM A860 | Yield Strength | Tensile Strength | Elongation | Cv, avg./min. | |||
Grade | ksi | MPa | ksi | MPa | % | ft*lbs | J |
WPHY 42 | 42 | 290 | 60-85 | 415-585 | 25 | 30/25 | 40/34 |
WPHY 46 | 46 | 315 | 63-88 | 435-605 | 25 | 30/25 | 40/34 |
WPHY 52 | 52 | 360 | 66-91 | 455-625 | 25 | 30/25 | 40/34 |
WPHY60 | 60 | 415 | 75-100 | 515-690 | 20 | 30/25 | 40/34 |
WPHY 65 | 65 | 450 | 77-102 | 530-705 | 20 | 30/25 | 40/34 |
WPHY 70 | 70 | 485 | 80-105 | 550-725 | 20 | 30/25 | 40/34 |
What is A860 Butt Weld Concentric Reducer
When you have demand to connect two parts pipes ends of different sizes, a concentric reducer is applied, but please notice the two pipe ends should be on the same center axis in the pipe line. Depending on the connecting type, there are three kinds of reducer: butt weld, socket weld and threaded. When in a butt weld pipeline steel pipe system, mostly material in ASTM A860 standard, a A860 butt weld concentric reducer will be used.
The concentric reducer can be made from different kind of materials including carbon steel, alloy steel and stainless steel depending on the whole pipeline. ASTM 860 is the generic terms of pipeline steel, which covers different grade like WPHY 42/46/52/60/65/70.
Difference Between Concentric Reducer and Eccentric Reducer
Different from eccentric reducer, a concentric reducer keep their center line in the same center line. Concentric reducers, they decrease the outer diameter of the pipe ends at a stable ate over one certain length, to reduce the pipe size and keep the pipes system symmetrical at the same time. Eccentric reducers are usually used on the flat surface on the ground because it is more easy to place the pipes on the track.
ASME B16.9 Concentric Reducer Specification
When we taking about a A860 butt weld concentric reducer, the manufacturing standard suit for it is ASMEB 16.9, the specification for butt welded fittings, here is the dimension chart of B16.9 concentric reducer.
NOMINAL PIPE SIZE | OUTSIDE DIAMETER | END TO END | |
Inch | D | P | H |
3/4 x 1/2 | 26.7 | 21.3 | 38 |
3/4 x 3/8 | 26.7 | 17.1 | 38 |
1 x 3/4 | 33.4 | 26.7 | 51 |
1 x 1/2 | 33.4 | 21.3 | 51 |
1 1/4 x 1 | 42.2 | 33.4 | 51 |
1 1/4 x 3/4 | 42.2 | 26.7 | 51 |
1 1/4 x 1/2 | 42.2 | 21.3 | 51 |
1 1/2 x 1 1/2 | 48.3 | 42.2 | 64 |
1 1/2 x 1 | 48.3 | 33.4 | 64 |
1 1/2 x 3/4 | 48.3 | 26.7 | 64 |
1 1/2 x 1/2 | 48.3 | 21.3 | 64 |
2 x 1 1/2 | 60.3 | 48.2 | 76 |
2 x 1 1/4 | 60.3 | 42.2 | 76 |
2 x 1 | 60.3 | 33.4 | 76 |
2 x 3/4 | 60.3 | 26.7 | 76 |
2 1/2 x 2 | 73 | 60.3 | 89 |
2 1/2 x 1 1/2 | 73 | 48.3 | 89 |
2 1/2 x 1 1/4 | 73 | 42.2 | 89 |
2 1/2 x 1 | 73 | 33.4 | 89 |
3 x 2 1/2 | 88.9 | 73 | 89 |
3 x 2 | 88.9 | 60.3 | 89 |
3 x 1 1/2 | 88.9 | 48.3 | 89 |
3 x 1 1/4 | 88.9 | 42.2 | 89 |
3 1/2 x 3 | 101.6 | 88.9 | 102 |
3 1/2 x 21/2 | 101.6 | 73 | 102 |
3 1/2 x 2 | 101.6 | 60.3 | 102 |
3 1/2 x 1 1/2 | 101.6 | 48.3 | 102 |
3 1/2 x 1 1/4 | 101.6 | 42.2 | 102 |
4 x 3 1/2 | 114.3 | 101.6 | 102 |
4 x 3 | 114.3 | 88.9 | 102 |
4 x 2 1/2 | 114.3 | 73 | 102 |
4 x 2 | 114.3 | 60.3 | 102 |
4 x 1 1/2 | 114.3 | 48.3 | 102 |
5 x 4 | 141.3 | 114.3 | 127 |
5 x 3 1/2 | 141.3 | 101.6 | 127 |
5 x 3 | 141.3 | 88.9 | 127 |
5 x 2 1/2 | 141.3 | 73 | 127 |
5 x 2 | 141.3 | 60.3 | 127 |
6 x 5 | 168.3 | 141.3 | 140 |
6 x 4 | 168.3 | 114.3 | 140 |
6 x 3 1/2 | 168.3 | 101.6 | 140 |
6 x 3 | 168.3 | 88.9 | 140 |
6 x 2 1/2 | 168.3 | 73 | 140 |
8 x 6 | 219.1 | 168.3 | 152 |
8 x 5 | 219.1 | 141.3 | 152 |
8 x 4 | 219.1 | 114.3 | 152 |
8 x 3 1/2 | 219.1 | 101.6 | 152 |
10 x 8 | 273.1 | 219.1 | 178 |
10 x 6 | 273.1 | 168.1 | 178 |
10 x 5 | 273.1 | 141.3 | 178 |
10 x 4 | 273.1 | 114.3 | 178 |
12 x 10 | 323.9 | 273.1 | 203 |
12 x 8 | 323.9 | 219.1 | 203 |
12 x 6 | 323.9 | 168.3 | 203 |
12 x 5 | 323.9 | 141.3 | 203 |
14 x 12 | 355.6 | 323.9 | 330 |
14 x 10 | 355.6 | 273.1 | 330 |
14 x 8 | 355.6 | 219.1 | 330 |
14 x 6 | 355.6 | 168.3 | 330 |
16 x 14 | 406.4 | 355.6 | 356 |
16 x 12 | 406.4 | 323.9 | 356 |
16 x 10 | 406.4 | 273.1 | 356 |
16 x 8 | 406.4 | 219.1 | 356 |
16 x 6 | 406.4 | 168.3 | 356 |
18 x 16 | 457 | 406.4 | 381 |
18 x 14 | 457 | 355.6 | 381 |
18 x 12 | 457 | 323.9 | 381 |
18 x 10 | 457 | 273.1 | 381 |
18 x 8 | 457 | 219.1 | 381 |
20 x 18 | 508 | 457 | 508 |
20 x 16 | 508 | 406.4 | 508 |
20 x 14 | 508 | 355.6 | 508 |
20 x 12 | 508 | 323.9 | 508 |
20 x 10 | 508 | 273.1 | 508 |
20 x 8 | 508 | 219.1 | 508 |
22 x 20 | 559 | 508 | 508 |
22 x 18 | 559 | 457 | 508 |
22 x 16 | 559 | 406.4 | 508 |
22 x 14 | 559 | 355.6 | 508 |
22 x 12 | 559 | 323.9 | 508 |
24 x 10 | 559 | 273.1 | 508 |
24 x 22 | 610 | 559 | 508 |
24 x 20 | 610 | 508 | 508 |
24 x 18 | 610 | 457 | 508 |
24 x 16 | 610 | 406.4 | 508 |
24 x 14 | 610 | 355.6 | 508 |
24 x 12 | 610 | 323.9 | 508 |
24 x 10 | 610 | 273.1 | 508 |
A860 Butt Weld Concentric Reducer Package
For small size A860 butt weld concentric reducer,we will use wooden case with plastic protector at the end.
For large sizeA860 steel butt weld concentric reducer, we will use wooden pallet with water proof plastic film outside.
For all sizes, the panting of the fittings can be customized.
Chemical Composition of A860 Material
Carbon | ≤0.20*A |
Manganese | 1.00-1.45 |
Phosphorus | ≤0.030 |
Sulfur | ≤0.010 |
Silicon | 0.15-0.40*B |
Nickel | ≤0.50*C |
Chromium | ≤0.30*C |
Molybdenum | ≤0.25*C |
Copper | ≤0.35*C |
Titanium | ≤0.05 |
Vanadium | ≤0.10 |
Columbium | ≤0.04 |
Vanadium plus Columnium | ≤0.12 |
Aluminum | ≤0.06 |
*The carbon equivalent C.E.=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 shall not exceed 0.42%.
*B If vacuum carbon deoxidation is used, silicon shall not exceed 0.10% by heat analysis and 0.12% by product analysis.
*C The sum of Ni+Cr+Mo+Cu shall not exceed 1.0%.
Mechanical Property of A860 Material
ASTM A860 | Yield Strength | Tensile Strength | Elongation | Cv, avg./min. | |||
Grade | ksi | MPa | ksi | MPa | % | ft*lbs | J |
WPHY 42 | 42 | 290 | 60-85 | 415-585 | 25 | 30/25 | 40/34 |
WPHY 46 | 46 | 315 | 63-88 | 435-605 | 25 | 30/25 | 40/34 |
WPHY 52 | 52 | 360 | 66-91 | 455-625 | 25 | 30/25 | 40/34 |
WPHY60 | 60 | 415 | 75-100 | 515-690 | 20 | 30/25 | 40/34 |
WPHY 65 | 65 | 450 | 77-102 | 530-705 | 20 | 30/25 | 40/34 |
WPHY 70 | 70 | 485 | 80-105 | 550-725 | 20 | 30/25 | 40/34 |
