Leyon steel Co., Ltd
Leyon steel Leyon focus on pipe fittings, includes malleable iron pipe fittings, ductile iron grooved fittings and lined plastic pipe fittings, carbon steel pipe fittings and so on.
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black iron plumbing fittings 3/4 inch pipe connector black malleable iron pipe fittings
Leyon is always focusing on research and development of malleable iron fittings, grooved fittings,tubing and valves that are mainly applied in such industries as fire protection, water supply, construction industry, municipal engineering and petrochemical.
Leyon specialized in researching & manufacturing malleable iron fittings, including flange, elbow, tee, socket, reducing socket, nipple for furniture, we specially set up a factory to make furniture fittings since 2017.
Brief Introduction of normal black malleable iron pipe fittings
Material: iron
Technics: Casting
Size: 3/8"~4"
Type: galvanized/normal black cast iron pipe fittings
Connection: Female
Shape: Equal
Usage: Jointing Pipe Lines
Thread: ISO 7/1
Standard: ANSI,BS,DIN,EN
Surface treatment: Hot Dipped Galvanized/normal black
The Attribute definition list of normal black malleable iron pipe fittings
| 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 |
Visual communication of black iron pipe fittings
| Material | Malleable iron |
| Standard | Thread: ISO 7/1 |
| Dimension | ISO 49, DIN 2950,EN10242 |
| Chemical property | (C %2.4-2.9), (Si %1.4-1.9), (Mn %0.4-0.65), (P% <0.1), (S% <0.2%) |
| Physical property | Tensile strength>=350Mpa,Elongation>=10% Hardness<=150HB |
| Testing pressure | 2.5Mpa |
| Working pressure | 1.6Mpa |
| Type | Beaded with ribs or banded with ribs |
| Beaded without ribs or banded without ribs | |
| Round/square | |
| Surface | Galvanized/ no galvanized |
| Color | White/black |
| Model | Elbow, Tees, Crosses, Bends, Unions, Bushings, Lateral Braches, Sockets, Nipples, Hexagon/Round, Caps, Plugs, Locknuts, Flanges ,Side Outlet Tees, Side Outlet Elbows and etc |
| Connection | Male, Female |
| Shape | Equal, Reducing |
| Certificate | BSI,ANAB,ISO9001 |
| Application | Suitable for pipe connect of steam, air, gas, oil and so on |
| Buyer’s drawings or designs are available | |
| Package | Cartons without pallet |
| Cartons with pallet | |
| Double woven bags | |
| Or as buyer’s requirements | |
| Delivery details
| According to the quantities and specifications of each order |
| Normal delivery time is from 30 to 45 days after receiving the deposit |
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 .
