G41400 Blind Flanges and SAE 4140 Industrial Flanges Manufacturer in India
Alloy steels tend to have improved properties over carbon steel grades. Grade 4140 is an alloy steel that delivers a good performance because of its higher alloying content, making it suited to several industries. AISI 4140 Flanges contain inclusions of chromium, molybdenum, and manganese. It is categorized as low alloy steel because the content of the alloying elements in the material is less than 5% of its total weight. Yet, it remains a ductile grade, which could be formed into various shapes including the UNS G41400 Threaded Flange.
It is not easy to construct threads on alloys that do not have ductility. In such cases, the construction of threads could easily destroy the surface, making it unsuitable for use. It is possible to shape them in an annealed condition because the material remains ductile. However, the formability of the alloy is tougher in comparison to plain carbon steels, therefore forming the SAE 4140 Industrial Flanges requires more force. As with most steel alloys, it is heat treated by normalizing, followed by hardening, and quenching by cooling in air. This heat treatment offers good results as the AISI 4140 Pipe Flanges has improved durability and good toughness. The other characteristics of this material include high fatigue strength, with resistance to both abrasion and impact. These properties are important in demanding industries such as the oil and natural gas or petroleum industry, where the DIN 1.7225 Welding Neck Flange is put through high stresses. Hence, the need for improved tensile and mechanical properties, in comparison to the very basic carbon steel alloys. Although the alloys have low contents of elements in their material composition, the corrosion resistance properties of the G41400 Blind Flanges are an improvement over traditional steels.
Check DIN 1.7225 Welding Neck Flange Dimension and Price List ex Mumbai
AISI 4140 Flanges Specification Schedule
Exporter and supplier of UNS G41400 Threaded Flange, Check AISI 4140 Flange Pressure Ratings, SAE 4140 Industrial Flanges Specifiaction
| Size Chart | 1/2" to 48" |
|---|---|
| Pressure Rating | Class 150, 600, 300, 1500, 900, 2500 LBS |
| Pressure Calculation in DIN | 6/ 16/ 10/ 40/ 25Bar / PN6 PN16 PN10 PN40 PN25 PN64 |
| JIS | 5K, 16 K, 10 K, 30 K, 20 K, 63 K, 40 K |
| UNI | 6/ 16/ 10/ 40/ 25Bar |
| EN | 6/ 16/ 10/ 40/ 25Bar |
| Flange Face Type | Lap-Joint Face, Large Male-Female, Raised Face, Flat Face, Small Tongue, Small Male-Female, Ring Type Joint, Large Tongue & Groove Flanges manufacturer and Supplier |
| Flanges Marking | All Flanges are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request. |
List Of G41400 Blind Flanges Types
G41400 Blind Flanges
1.7225 Welding Neck Flange
AISI 4140 Pipe Flanges
Werkstoff Nr. 1.7225 Forged Flanges
SAE 4140 Industrial Flanges
AISI 4140 Slip On Flange
A182 AISI 4140 Lap Joint Flanges
UNS G41400 Threaded Flange
AISI 4140 Spectacle Blind Flanges
DIN 1.7225 Welding Neck Flange Chemical Composition
Check AISI 4140 WNRF Flanges Composition and SAE 4140 Ring Type Joint Flanges Dimension, AISI 4140 Pipe Flanges Manufacturers in India
| Element | Content |
|---|---|
| Chromium | 0.80 Tp 1.10 |
| Manganese | 0.75 Tp 1.0 |
| Silicon | 0.15 To 0.30 |
| Carbon | 0.380 To 0.430 |
| Molybdenum | 0.15 To 0.25 |
| Sulfur | 0.040 |
| Phosphorous | 0.035 |
| Iron | Balance |
UNS G41400 Threaded Flange Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Bulk modulus | 140 GPa | 20300 ksi |
| Yield strength | 415 MPa | 60200 psi |
| Shear modulus | 80 GPa | 11600 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Hardness, Knoop | 219 | 219 |
| Hardness, Rockwell B | 92 | 92 |
| Hardness, Brinell | 197 | 197 |
| Hardness, Rockwell C | 13 | 13 |
| Machinability | 65 | 65 |
| Hardness, Vickers | 207 | 207 |
Equivalent Grades for SAE 4140 Ring Type Joint Flanges
PED approved G41400 Blind Flanges suppliers in India, Buy Werkstoff Nr. 1.7225 Forged Flanges in all sizes and UNS G41400 Socket weld Flanges thickness
| STANDARD | UNS | WERKSTOFF NR. |
| AISI 4140 | G41400 | 1.7225 |
AISI 4140 Pipe Flanges Weight Chart
| Nominal Pipe Size | Dimension | Weight in Kg | ||||
|---|---|---|---|---|---|---|
| Normal Pipe Size (Inche) |
Diameter Nominal | Flange Outer Diameter in MM |
Flange Thickness in MM |
Socket Weld | Weld Neck | Blind |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
| 3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |