CORROSION RESISTANCE
Depends on the composition of the stainless with molybdenum, chromium, and nitrogen being essential.
Super Duplex Flanges suppliers in UAE
Alloy 2507 blind flanges and ASME SA182 F53 weld neck flange manufacturers in Dubai
Super Duplex Flanges Benefits And Use
Like with all stainless steel, the amount of nitrogen, molybdenum, and chromium determines the stainless steel's ability to resist corrosion. Duplex stainless steel has very high resilience to stress corrosion splitting even in sulfide and chloride conditions, making it corrosion-resistant.
Here, the phrase "super duplex" refers to the superior alloying capability and performance, which first appeared in usage in 1980. High chromium content is seen in super duplex flanges. It renders the pipes durable and fit for use in caustic treatments that comprise acid and chlorine. The chemical and petrochemical sectors suffer from these issues. When feasible, super duplex stainless steel is used in place of conventional mild steel.
Which Testing Best For Super Duplex 2507 Flanges?
A super austenitic grade is duplex 2507. The 2507 Flange's alloy has components like 25% chromium, 4% molybdenum, with 7% nickel as its basic structure or chemical composition. Applications requiring great strength and corrosion protection focus on the development of the Sa182 F11 Flange alloy.
The 2205 flanges can be subjected to several testing procedures to determine the steels' level of pitting resilience in chloride-containing conditions. It is also generally known that the Super Duplex 2507 Flanges exhibit excellent resistance to crevice corrosion.
Importers of ASTM A182 F55 slip on flanges in the Middle East, check the advantages of super duplex stainless steel flanges, and the online price list
Is Super Duplex Stainless Steel Flanges Magnetic?
The architecture of Super Duplex Stainless Steel Flanges are composed of a blend of austenitic and ferritic particles. Microstructures made of austenitic metal are not magnetic, whereas those made of ferritic metal are. Super duplex levels are therefore likewise regarded as magnetic.
The strength of a metal's magnetism is gauged by its magnetic permeability. The magnetic susceptibility for austenitic stainless steels. The corresponding figure for duplex or super duplex will be close to 50. The magnetic rating for ferritic stainless steel could be in the hundreds. There is a difference between duplex and austenitic values because may be managed and sorted by taking advantage of their magnetization.
The view corrosion resistance of 2507 super duplex socket weld flanges, UNS S32760 orifice flanges, and alloy 2507 RTJ flanges stockists in UAE offer MTR and MTC with each delivery
Table of content
Specialized in manufacturing
Super Duplex Flanges
2507 Super Duplex Flanges can be defined as the super duplex grade of stainless steel. The primary chemical components of the Super Duplex 2507 consist of chromium (25%), molybdenum (4%), and nickel (7%) in its alloy.
Size
1/2 Inches To 48 Inches
Class
150 To 2500
Schedule
SCH 10S To SCH 80S
ASME
B16.5
Properties : ASME SA182 Super Duplex Steel 2507 Flanges
HEAT RESISTANCE
Super duplex comes with lower thermal expansion and higher heat conductivity than austenitic steel.
WELDABILITY
The super duplex stainless steel flanges variants tend to have good weldability.
Advantages Of Super Duplex Flanges
- Heat conductivity is high
- High strength
- Good sulfide stress corrosion resistance
- High energy absorption
- Good workability and weldability
- High thermal conductivity
- Ductility And Toughness
- Strong And Durable Flange
Super Duplex Flanges Specification
| Specifications | Super Duplex Flanges |
|---|---|
| Brand Name | Schulzmann |
| Supporting Material For Flange | Gasket/ Ring Joint/ Flange Bolts |
| Use In | Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc. |
| DIN Standard | PN6/ PN10/ PN16/ PN25/ PN40/ PN64 |
| Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
| Methods Of Forging | Casting Forging Rolling Cutting |
| JIS Standard | 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K |
| Size | 1/2” to 24” (customized diameters: up to 60”.) |
| Payment Type | L/C,T/T,D/P,Paypal |
| Face Type | RF (Raised Face), RTJ (Ring Type Joint) |
| Available Packing | Packing In Plywood Box And Plywood Pallet |
| Transportation In | Air & Ocean and Land |
| Class | Class 150 to 2500. PN 2.5 to PN 250. |
| EN Standard | 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar |
| Equipment | Pushing Machine Press machine electric bevelling machine |
| Manufacturing Productivity | 1200 ton per month |
| Supply Ability | 1000 Ton Per Month |
Super Duplex Steel Flanges Price List
| Description | Price In US ($) |
|---|---|
| SW, RF, FLANGE (SIZE : 4) | US $2075.51 Per KG |
| SW, RF, FLANGE (SIZE : 1) | US $194.40 Per KG |
| SW, RF, FLANGE (SIZE : 6) | US $6174.43 Per KG |
| 200 MM DIA | US $566.18 Per KG |
| SORF, B16.5, 250 MM DIA | US $13570.58 Per KG |
| SORF, B16.5, 50 MM DIA | US $288.51 Per KG |
| SORF, B16.5, 200 MM DIA | US $1132.37 Per KG |
| 25 MM DIA | US $168.00 Per KG |
| WELD NECK, 150#, 250 MM DIA | US $2261.76 Per KG |
| WELD NECK, 150#, 100 MM DIA | US $300.32 Per KG |
| UNS S32760, WELD NECK, 150#, 250 MM DIA | US $4523.53 Per KG |
| S32760, BLIND, 150#, 100 MM DIA | US $600.66 Per KG |
| CLASS 300, BLRF, 50 MM DIA | US $577.02 Per KG |
| CLASS 300, BLRF, 25 MM DIA | US $335.98 Per KG |
American Standard For UNS S32760 Flanges
Japanese Standard For 2507 Super Duplex Flanges
Other Standard (Russian/ Italian/ South Africa Standard Flanges)
Super Duplex Flange Pressure Rating
*For Class 75, Class 150 and Class 300.
| Temperature °F |
Working Pressure by Classes, psi | ||
| Class 75 | Class 150 | Class 300 | |
| -20~100 | 145 | 290 | 750 |
| 200 | 130 | 260 | 745 |
| 300 | 115 | 230 | 665 |
| 400 | 100 | 200 | 615 |
| 500 | 85 | 170 | 580 |
| 600 | 70 | 140 | 555 |
| 650 | 60 | 125 | 545 |
| 700 | - | 110 | 540 |
| 750 | - | 95 | 530 |
*For Class 400, Class 600 and Class 900.
| Temperature °F |
Working Pressure by Classes, psi | ||
| Class 400 | Class 600 | Class 900 | |
| -20~100 | 1000 | 1500 | 2250 |
| 200 | 990 | 1490 | 2230 |
| 300 | 890 | 1335 | 2000 |
| 400 | 820 | 1230 | 1845 |
| 500 | 775 | 1160 | 1740 |
| 600 | 740 | 1115 | 1670 |
| 650 | 730 | 1095 | 1640 |
| 700 | 725 | 1085 | 1625 |
| 750 | 710 | 1065 | 1595 |
*For Class 1500 and Class 2500.
| Temperature °F |
Working Pressure by Classes, psi | |
| Class 1500 | Class 2500 | |
| -20~100 | 3750 | 6250 |
| 200 | 3720 | 6200 |
| 300 | 3335 | 5560 |
| 400 | 3070 | 5120 |
| 500 | 2905 | 4840 |
| 600 | 2785 | 4640 |
| 650 | 2735 | 4560 |
| 700 | 2710 | 4520 |
| 750 | 2660 | 4430 |
| Standard | 2507 Super Duplex Flanges |
|---|---|
| Werkstoff Nr. | 1.4410 |
| UNS | UNS S32750 And UNS S32760 |
Super Duplex 2507 Flanges Chemical Composition
| % | components |
| Si | 0.8 |
| P | 0.035 |
| C | 0.03 (max.) |
| Mn | 1.5 |
| Mo | 3.0-5.0 |
| Ni | 5.5-8.0 |
| N | 0.2-0.35 |
| S | 0.02 |
| Cr | 24-26 |
| Cu | 0.5-3.0 |
ASTM A182 Super Duplex 2507 Flanges Used In Oil And Gas Industry
Super Duplex Blind Flange
Super Duplex Slip On Flange
Alloy 2507 Weld Neck Flange
Super Duplex Steel Threaded Flange
2507 Super Duplex RTJ Flange
UNS S32750 Orifice Flange
UNS S32760 Spectacle Blind Flange
ASTM A182 F53 Plate Flange
ASME SA182 F55 Reducing Flange
WNR 1.4410 Raised Face Flange
Alloy 2507 Socket Weld Flange
Super Duplex Stainless Flat Flange
SDDS Flanges
Super Duplex 2507 Flange
2507 Super Duplex Flange
UNS S32750 Flanges
Super Duplex Steel Forged Flange
UNS S32760 Flanges
Suppliers of super duplex steel spectacle blind flanges in UAE, view A182 F53 super duplex threaded flanges composition, and heat treatment process of ASTM A182 F53 plate flanges
UNS S32750 Flanges Mechanical Properties
| Tensile Strength (in MPa) | 770 |
| Proof Stress 0.2% (in MPa) | 550 |
| A5 Elongation (in %) | 25 |
Alloy 2507 Flanges Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Melting point | 1350°C | 2460°F |
| Density | 7.8 g/cm3 | 0.281 lb/in3 |
Heat Treatment Process of Super Duplex Steel Flanges
Super Duplex Slip On Flanges Weight Chart
| NPS | Weight Of Super Duplex Slip On Flanges In KG |
|---|---|
| ½ | 1 |
| ¾ | 2 |
| 1 | 2 |
| 1¼ | 3 |
| 1½ | 3 |
| 2 | 5 |
| 2½ | 8 |
| 3 | 9 |
| 3½ | 11 |
| 4 | 13 |
| 5 | 15 |
| 6 | 19 |
| 8 | 30 |
| 10 | 43 |
| 12 | 64 |
| 14 | 90 |
| 16 | 106 |
| 18 | 130 |
| 20 | 165 |
| 22 | 185 |
| 24 | 220 |
Also, check the super duplex 2507 flanges manufacturing process, suppliers & manufacturers of DIN 1.4410 lap joint flange in FF/ RF/ RTJ faces
| Normal Pipe Size In Inch | (I.D.) Gasket | (O.D.) Gasket |
|---|---|---|
| Class 150 | ||
| 1/2 | 0.84 | 1.875 |
| 3/4 | 1.06 | 2.25 |
| 1 | 1.31 | 2.625 |
| 1 1/4 | 1.66 | 3 |
| 1 1/2 | 1.91 | 3.375 |
| 2 | 2.38 | 4.125 |
| 2 1/2 | 2.88 | 4.875 |
| 3 | 3.50 | 5.375 |
| 4 | 4.50 | 6.875 |
| 5 | 5.56 | 7.75 |
| 6 | 6.62 | 8.75 |
| 8 | 8.62 | 11 |
| 10 | 10.75 | 13.375 |
Manufacturing Process Of Super Duplex Steel Forged Flanges
Raw Material
- View Raw Material
- Check Quantity
- Check Visual and Dimension
Inspection
- Check Chemical Analysis
- Preservation Analysis Certificate
Material Cutting
- Weight Measuring
- Cut Surface Check
- Marking
Flange forging
- Check Material Grade
- Weight Measuring
- Temperature Control
Heat Treatment
- Normalizing
- Solution Treatment
- Mechanical Test
Forging Rolling
- Weight Measuring
- Check Temperature
- Check Dimension
Final Inspection
- Dimension size inspect
- Visual Test
- Nondestructive Test
Rust Prevention
- Check Preserve
- Marking on the flange
- Coating
Well Packing
- Check Packing Spec.
- Packing Inspection
- Delivery
Super Duplex Blind Flanges Schedule Chart
| NPS | OD | 10 (SCH) | 20 (SCH) | 30 (SCH) | STD Wall | 40 (SCH) | 60 (SCH) | EXT Hvy | 80 (SCH) | 100 (SCH) | 120 (SCH) | 140 (SCH) | 160 (SCH) | XX Hvy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 0.84 | 0.083 | . | . | 0.109 | 0.109 | . | 0.147 | 0.147 | . | . | . | 0.188 | 0.294 |
| ¾ | 1.05 | 0.083 | . | . | 0.113 | 0.113 | . | 0.154 | 0.154 | . | . | . | 0.219 | 0.308 |
| 1 | 1.315 | 0.109 | . | . | 0.133 | 0.133 | . | 0.179 | 0.179 | . | . | . | 0.25 | 0.358 |
| 1 ¼ | 1.66 | 0.109 | . | . | 0.14 | 0.14 | . | 0.191 | 0.191 | . | . | . | 0.25 | 0.382 |
| 1 ½ | 1.9 | 0.109 | . | . | 0.145 | 0.145 | . | 0.2 | 0.2 | . | . | . | 0.281 | 0.4 |
| 2 | 2.375 | 0.109 | . | . | 0.154 | 0.154 | . | 0.218 | 0.218 | . | . | . | 0.344 | 0.436 |
| 2 ½ | 2.875 | 0.12 | . | . | 0.203 | 0.203 | . | 0.276 | 0.276 | . | . | . | 0.375 | 0.552 |
| 3 | 3.5 | 0.12 | - | - | 0.216 | 0.216 | - | 0.3 | 0.3 | - | - | - | 0.438 | 0.6 |
| 3 ½ | 4 | 0.12 | - | - | 0.226 | 0.226 | - | 0.318 | 0.318 | - | - | - | - | 0.636 |
| 4 | 4.5 | 0.12 | - | - | 0.237 | 0.237 | - | 0.337 | 0.337 | - | 0.438 | - | 0.531 | 0.674 |
| 5 | 5.563 | 0.134 | - | - | 0.258 | 0.258 | - | 0.375 | 0.375 | - | 0.5 | - | 0.625 | 0.75 |
| 6 | 6.625 | 0.134 | - | - | 0.28 | 0.28 | - | 0.432 | 0.432 | - | 0.562 | - | 0.719 | 0.864 |
| 8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
| 12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
| 14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | - |
| 16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | - |
| 18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | - |
| 20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | - |
| 22 | 22 | 0.25 | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
| 24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | - |
| 26 | 26 | - | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
| 30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
What Is Difference Between Super Duplex Flanges & Duplex Steel
Bolts Circle Of Super Duplex Stainless Steel Flanges
| NPS (in inch) |
Class 150 Flanges | ||||
|---|---|---|---|---|---|
| Diameter ( in Inches) |
Number of Bolts |
Diameter of Bolts (in Inches) |
Diameter of Bolts Holes (in Inches) |
(B.C.) (in Inches) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |