What Is AISI 4140 Flange?
Connections made through valves, pipes, and tubes are essential in transporting media for different refineries and factories. 4140 chromoly flanges are one of the efficient means of connecting different piping equipment. The AISI 4140 Flange is a chromium-molybdenum grade that has lower alloy steel. These flange allow workers to easily inspect and modify the system. They are very easy to maintain and install in the piping grade.
Alloy 4140 pipe flanges are seen in different pressure and temperature setups. These flange provide stability and strength to pipes as there is the movement of pressurized gases and fluids. The SAE 4140 industrial flange are designed in pressure classes from 75 to 2500 and so on. These flange have good resistance to corrosive media and are available in RF, FF, and RTJ face types.
Table of Content
- AISI 4140 Flange Chemical Composition
- Hardness for 4140 Chromoly Flanges
- AISI 4140 Forged Steel Flange Temperature Range
- AISI 4140 Pipe Flange Specifications
- Advantages of AISI 4140 Alloy Steel Flanges
- UNS G41400 Weld Flanges Melting Point
- 4140 Alloy Steel Ring Flanges Yield Strength
- 4140 Chrome Moly Flanges Material Equivalent
- AISI 4140 Steel Flanges Heat Treatment
- SAE 4140 Flanges Mechanical Properties
- Types Of AISI 4140 Flange
4140 Chromoly Blind Flanges Manufacturer In India Since 2002
The UNS G41400 blind flanges are produced without a bore and are used to seal the ends of pressure vessels or valves. These flange are usually bolted and are common in different pressure conditions.
Check SAE 4140 Forged Flanges Chemical Composition and Hardness
The AISI 4140 forged flanges is slipped over a pipe and welded on their interior or exterior to ensure a leak-proof sealing. These SAE 4140 slip on flange are preferred by engineers in the oil and gas industry as they are cheap and are very reliable in their functionality.
![Carbon [C] :](imginfo/carbon.jpg "Carbon [C] :")
Carbon [C] :
- 0.38 To 0.43%
![Manganese [Mn] :](imginfo/manganese.jpg "Manganese [Mn] :")
Manganese [Mn] :
- 0.75 To 1.00%
![Phosphorus [P] :](imginfo/phosphorus.jpg "Phosphorus [P] :")
Phosphorus [P] :
- 0.035% (Max.)
![Sulfur [S] :](imginfo/sulfur.jpg "Sulfur [S] :")
Sulfur [S] :
- 0.025% (Max.)
![Silicon [Si] :](imginfo/silicon.jpg "Silicon [Si] :")
Silicon [Si] :
- 0.15 To 0.35%
![Chromium [Cr] :](imginfo/chromium.jpg "Chromium [Cr] :")
Chromium [Cr] :
- 0.80 To 1.10%
| Condition | Brinell Hardness |
|---|---|
| Annealed Condition | 197 To 255 BHN |
| Normalized Condition | 235 To 255 BHN |
| Quenched and Tempered | 285 To 320 BHN |
Supplier of UNS G41400 Weld Neck Flanges in Mumbai for Low Temperature Conditions, Refer Temperature Range
SAE 4140 weld neck flanges possess superior strength and are seen in high-pressure conditions. These flange are recognized by a tapered hub, allowing them to be used under repeated bending as they transfer the stress on the system.
| Operating Temperature Range | -20°F to -40°F |
|---|---|
| Maximum Service Temperature | 1,200°F |
| Tempering Temperature | 400°F to 1,000°F |
Most Selling Size :
- PN2.5 To PN400
- NPS: ½" to 24"
- DN15 To DN1500
- Contact AISI 4140 flange manufacturer in India for above 48 Inch
Pressure Rating :
- CL 150 and CL 300
- CL 600 and CL 900
- CL 1500 and CL 2500
Size (Maximum) :
- 26" To 60" As Per ASME B16.47
Manufacturing Way :
- Forged
- Cast
- Plate
No. Of Bolts Hole :
- 4 To 48
Forging Temperature :
- 850°C (Min.)
Advantages :
- High Tensile Strength
Surface Finish :
- Stock finish
DIN Number :
- DIN 1.7225
Common Face :
- Male & Female Face
- RF Face
- FF Face
- RTJ Face
- Tongue & Groove Face
Available Threads :
- MPT & MNPT Threads
- NPT Threads
- BSP Threads
- FPT Threads
- BSPT Threads
Wall Thickness :
- SCH 10/ 20/ 40
- SCH 60/ 80/ 100
- SCH 120/ 140/ 180
Uses :
- Power Generation
- Nuclear Energy
- Oil & gas plants
- Petrochemicals
Testing Requirements :
- Tensile test
- Impact test
- Material inspection
- Hardness test
- PMI test
Melting Point
- 1416°C
End Connection :
- Threaded
- Welding
Marking :
- Standard & Heat No.
- Grade & Material
- Manufacturers Name
- Size & Schedule
UNS Number :
- UNS G41400
Germany Standards :
- DIN 2633
- DIN 2527
- DIN 2501
- DIN 2576
- DIN 2561
- DIN 2632
European Standards :
- EN 1092-1
- EN 1092-2
- EN 1092-1 TYPE 01
- EN 1092-1 TYPE 02
- EN 1092-1 TYPE 05
- EN 1092-1 TYPE 11
- EN 1092-1 TYPE 13
Japanese Standard :
- JIS B2220
AWWA Standard :
- AWWA c207
BS Standard :
- BS4504
Value Added Services :
- Threading
- Minor Fabrication
- Beveling end
- Casting
- Polishing
Logistics :
- By Sea
- By Air
- Oman = 5 days
- UAE = 5 day
- Indonesia = 9 days
- Singapore = 8 days
- Bahrain = 9 day
- Philippines = 14 day
- Kuwait = 10 day
- Malaysia = 10 day
Available Packaging :
- Carton Box
- Wooden Cases
- Wooden Pallet
Advantages of Using 4140 Chromoly Steel SWRF Flanges, View Melting Point
A DIN 1.7225 socket weld flange has a similar strength to a slip on flange and is preferred in piping equipment that are in sizes less than 2 NPS. The corrosion issues with these flange restrict their use in certain applications.
-
205 to 649°C
Check AISI 4140 Chromoly Weld Flanges Yield Strength and Material Equivalent
-
415 Mpa
Grade :
- AISI 4140 Flange
WERKSTOFF NR. :
- WNR 1.7225
UNS Number :
- UNS G41400
Material :
- Alloy Steel
Casting :
- ASTM A915 SC 4140
| Heat Treatment | Temperature Range |
|---|---|
| Annealing | 815°C to 870°C |
| Normalizing | 870°C to 900°C |
| Quenching and Tempering | 843°C to 899°C |
| Stress Relieving | 538°C to 593°C |
Tensile Strength :
- 655 MPa (minimum)
Elongation (% in 50mm) :
- 25.70% (minimum)
Density :
- 7.85 g/cc
Specific Heat Capacity :
- 0.473 J/g-°C
Thermal Conductivity :
- 42.6 W/m-K
Modulus of Elasticity :
- 190-210 GPa
4140 Chromoly Slip On Flange
SAE 4140 Weld Neck Flange
G41400 Blind Flange
UNS G41400 Plate Flange
4140 Alloy Steel Spectacle Blind Flanges
4140 Chromoly Steel Threaded Flange
AISI 4140 Steel Socket Weld Flange
4140 Alloy Long Weld Neck Flange
4140 Chrome Moly Lap Joint Flange
A182 Gr 41400 Orifice Flanges
AISI 41400 60k Reducing Flange
DIN 1.7225 Flat Face Flange
