threaded cast iron pipe fittings black iron pipe union Malleable Iron Pipe Fittings
Leyon company is one of professional manufacturers and exporters of pipeline fittings in China.
The products includes: malleable pipe fitting, ductile iron groove pipe fitting, ductile iron threaded pipe fittings, carbon steel threaded pipe fittings, clamps, pipe nipple , Stainless steel pipe fittings, stainless steel valve.
they are widely used the pipe systems of nuclear power plants, power station, water, natural gas, petrochemical, oilfields, fire-fighting, ship buildings, engineering fields and construction industry.
Up till now, there are 80,000 square meters of workshops and a plural of modern production lines in our factory.
The Attribute definition list
| Size |
Inch |
1/8 |
1/4 |
3/8 |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
| mm |
6 |
8 |
10 |
15 |
20 |
25 |
32 |
40 |
Dim.
(mm) |
A |
19 |
21 |
25 |
28 |
33 |
38 |
45 |
50 |
| Size |
Inch |
2 |
21/2 |
3 |
4 |
5 |
6 |
|
|
| mm |
50 |
65 |
80 |
100 |
125 |
150 |
|
|
Dim.
(mm) |
A |
50 |
69 |
78 |
96 |
115 |
1301 |
|
|
| Size |
Inch |
3/8X1/4 |
1/2x1/4 |
1/2x3/8 |
3/4x3/8 |
3/4x1/2 |
| mm |
10X8 |
15X8 |
15X10 |
20X10 |
20X15 |
Dim.
(mm) |
A |
23 |
26 |
26 |
28 |
30 |
| |
B |
23 |
26 |
26 |
28 |
31 |
| Size |
Inch |
1x1/2 |
1x3/4 |
11/4x1/2 |
11/4x3/4 |
11/4x1 |
| mm |
25X15 |
25X20 |
32X15 |
32X20 |
32x25 |
Dim.
(mm) |
A |
32 |
35 |
34 |
36 |
40 |
| |
B |
34 |
36 |
38 |
41 |
42 |
| Size |
Inch |
11/2X1/2 |
11/2x3/4 |
11/2x1 |
11/2x11/4 |
2x1/2 |
| mm |
40X15 |
15X8 |
40X25 |
40X32 |
50X15 |
Dim.
(mm) |
A |
36 |
39 |
42 |
46 |
38 |
| |
B |
42 |
44 |
46 |
28 |
48 |
| Size |
Inch |
2x3/4 |
2x1 |
2x11/4 |
2x11/2 |
21/2x1 |
| mm |
50X20 |
50X25 |
50X32 |
50X40 |
65x25 |
Dim.
(mm) |
A |
40 |
44 |
56 |
52 |
56 |
| |
B |
50 |
52 |
58 |
55 |
63 |
| Size |
Inch |
21/2X11/2 |
3x21/2 |
21/2x2 |
3x11/2 |
| mm |
65X40 |
80X65 |
65X50 |
80X40 |
Dim.
(mm) |
A |
64 |
82 |
61 |
58 |
| |
B |
69 |
85 |
66 |
72 |
| Size |
Inch |
3x2 |
4x21/2 |
4X3 |
|
| mm |
80X50 |
100X65 |
100X80 |
|
Dim.
(mm) |
A |
73 |
78 |
84 |
|
| |
B |
78 |
90 |
92 |
|
Material: Malleable Iron
StandardThread: BSPT(ISO 7/1),NPT(ANSI B1.20.1)
Dimension: ASME B16.3,ASME B16.14,ASME B16.39,BS EN 10242,BS143,BS1256, ISO 49,DIN 2985
Head shape: Beaded or Banded
Connection: Male,Female threaded
Shape: Equal,Reducing
What’s the different of ductile iron , gray iron and malleable cast iron ?
The characteristic of ductile iron is very tough, graphite is in the form of a ball.
The feature of gray iron is very brittle , graphite is in the form of strip .
The particularity of malleable cast iron is graphite is a group of flocculent tiles .
So the ductile iron is hardest , malleable cast iron is harder than gray iron .
Why the the toughness of them is different ?
The big reason is time of annealing . If it annealing long time , then the cost also is higher and the quality also is better .
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