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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As a 30 years experienced DIN standard black tees manufactory, Leyon has been considered the quality of malleable iron cast as its basis condition to survive. So supplier try their best to produce best DIN standard black tees.
| 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,FM,UL |
| 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 |
DIN standard black tees is made of advanced metallurgy and processing control.
Spectroscopic analyzer of malleable iron samples
The improving of material of physical properties rely on strict annealing process .
Accurate thread processing is based on international standard strictly.
The DIN standard black tees have outlets ranging from 1/8” through 8”
Comparison tables :
| Size | Inch | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 11/4 |
| mm | 6 | 8 | 10 | 15 | 20 | 25 | 32 | |
| Dim. (mm) | A | 19 | 21 | 25 | 28 | 33 | 38 | 45 |
| Size | Inch | 3/8X1/4 | 1/2X1/4 | 1/2X3/8 | 3/4X1/4 | 3/4X1/8 | ||
| mm | 10X8 | 15X8 | 15x10 | 20x8 | 20X10 | |||
| Dim. (mm) | A | 23 | 24 | 26 | 26 | 28 |
| Size | Inch | 3/4x1/2 | 1x1/4 | 1x3/8 | 1x1/2 | 1x3/4 |
| mm | 20x15 | 25x8 | 25x10 | 25x15 | 25x20 | |
| Dim. (mm) | A | 30 | 28 | 30 | 32 | 35 |
| Size | Inch | 11/4x3/8 | 11/4x1/2 | 11/4x3/4 | 11/4x1 | 11/2x1/2 |
| mm | 32x10 | 32x15 | 32x20 | 32x25 | 40x15 | |
| Dim. (mm) | A | 32 | 34 | 36 | 40 | 36 |
| Size | Inch | 11/2x3/4 | 11/2x1 | 11/2x11/4 | 2x1/2 | 2x3/4 |
| mm | 40x20 | 40x25 | 40x32 | 50x15 | 50x20 | |
| Dim. (mm) | A | 38 | 42 | 46 | 38 | 40 |
| Size | Inch | 2x1 | 2x11/4 | 2x11/2 | 21/2x1/2 | 21/2x3/4 |
| mm | 50x25 | 50x32 | 50x40 | 65x15 | 65x20 | |
| Dim. (mm) | A | 44 | 48 | 52 | 46 | 49 |
| Size | Inch | 3x3/4 | 3x1 | 3x11/4 | 3x11/2 | 3x2 | 3x21/2 |
| mm | 80x20 | 80x25 | 80x32 | 80x40 | 80x50 | 80x65 | |
| Dim. (mm) | A | 52 | 51 | 55 | 58 | 64 | 72 |
| Size | Inch | 4x1 | 4x11/4 | 4x11/2 | 4x2 | 4x21/2 | 3x21/2 |
| mm | 100x25 | 100x32 | 100x40 | 100x50 | 100x65 | 80x65 | |
| Dim. (mm) | A | 56 | 60 | 61 | 70 | 78 | 76 |
| Size | Inch | 3x8x1/2x3/8 | 1/2x3/4x1/2 | 1/2x1x1/2 | 3/4x1x3/4 | 1x11/4x1 |
| mm | 10x15x10 | 15x20x15 | 15x25x15 | 20x25x20 | 25x32x25 | |
| Dim. (mm) | A | 26 | 31 | 34 | 36 | 42 |
| Size | Inch | 1x11/2x1 | 11/4x11/2x11/4 | 11/4x2x11/4 | 11/2x2x11/2 | |
| mm | 25x40x25 | 32x40x32 | 32x50x32 | 40x50x40 | ||
| Dim. (mm) | A | 46 | 48 | 54 | 55 |
| Size | Inch | 11/2x3/4 | 11/2x1 | 11/2x11/4 | 2x1/2 | 2x3/4 |
| mm | 40x20 | 40x25 | 40x32 | 50x15 | 50x20 | |
| Dim. (mm) | A | 38 | 42 | 46 | 38 | 40 |
| Size | Inch | 2x1 | 2x11/4 | 2x11/2 | 21/2x1/2 | 21/2x3/4 |
| mm | 50x25 | 50x32 | 50x40 | 65x15 | 65x20 | |
| Dim. (mm) | A | 44 | 48 | 52 | 46 | 49 |
The usage of malleable cast iron pipe fitting
