Duplex nuts and 2205 Duplex Steel Heavy Hex Nut supplier in Mumbai
Verified stockist of Duplex 2205 nuts and UNS S31803 lock nuts as per International standards
Duplex Steel Hex Nut
Duplex nuts
2205 Duplex Steel Heavy Hex Nut
We guarantee the shortest delivery of UNS S32205 hex jam nuts and super duplex hexagonal nut with all documentation
Table of Content
Duplex steel hex nut specifications
| Length | Yield strength | Size | Specifications |
|---|---|---|---|
| 10mm to 1000mm | 550MPa | 1/2†to 4†| ASTM A479 | ASME SA479 |
| Thread | International Standard | Diameter | Application |
| BSW, METRIC, UNF, UNC, BSF, custom | BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, ASTM DIN | 3/8″ to 1″ |
|
| ISO Standard | Head Drive | Temperature range | Coating |
| ISO 4033, ISO 4032 | Phillips/Slot, Phillips, Slotted, Six-Lobe | 1800ºF (980ºC)- 2150ºF (1175ºC) | PTFE, zinc plated, black phosphate, hot dip galvanized |
We can offer UNS S32750 nylone nut and UNS S32760 coupling nuts from M3 – M200 in both metric and imperial sizes
Types of duplex stainless steel hex nut
Duplex 2205 nuts
- Standards: ASTM A479 & ASME SA479
- Sizes: M1. 6 to M100
UNS S31803 lock nuts
- Length: up to 180 mm
- Temperature range: 2010 and 2100°F (1100 to 1150°C)
UNS S32205 hex jam nuts
- Thread types: Metric, Metric Fine, BSW, BSF, UNC, UNF and BA
Super Duplex hexagonal nut
- Yield strength: 450MPa
- Tensile strength: 655MPa
UNS S32750 nylone nut
- Applications: Petrochemical, Power Generation, Oil and Gas
UNS S32760 coupling nuts
- Coatings: PTFE, black phosphate, zinc plated, hot dip galvanized
Duplex stainless steel hex machine nut and UNS S32550 finished Hex Nuts with PMI, NDT & Hydrogen Embrittlement Testing
Duplex 2205 nuts chemical composition
| Grade | Mn | C | Si | S | P | Fe | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|---|---|
| Duplex S32205 | 2.00 maximum | 0.030 maximum | 1.00 maximum | 0.020 maximum | 0.030 maximum | 63.54 min | 21.0 – 23.0 | 4.50 – 6.50 | 2.50 – 3.50 | 0.8 – 0.20 |
| Duplex S31803 | 2.00 maximum | 0.030 maximum | 1.00 maximum | 0.020 maximum | 0.030 maximum | 63.72 min | 22.0 – 23.0 | 4.50 – 6.50 | 3.0 – 3.5 | 0.14 – 0.20 |
| S32760 | 1.00 maximum | 0.05 maximum | 1.00 maximum | 0.010 maximum | 0.030 maximum | 57.61 min | 24.00 – 26.00 | 6.00 – 8.00 | 3.00 – 4.00 | 0.20 – 0.30 |
| S32750 | 1.20 maximum | 0.030 maximum | 0.80 maximum | 0.020 maximum | 0.035 maximum | 58.095 min | 24.00 – 26.00 | 6.00 – 8.00 | 3.00 – 5.00 | 0.24 – 0.32 |
Duplex steel 2205 heavy hex nut mechanical properties
| Element | Density (gram/cm 3) | Melting Point (°C) | Density (lb/in 3) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 / S32205 | 7.805 | 1420 – 1465 | 0.285 | 2588 – 2669 |
| Grade | Density | Tensile Strength | Melting Point | Elongation | Yield Strength (0.2%Offset) |
|---|---|---|---|---|---|
| 2507 | 7.8 gram/cm3 | Psi – 116000, MPa – 800 | 1350 °C (2460 °F) | 15 % | Psi – 80000, MPa – 550 |
Duplex 2205 hex nuts equivalent
| STANDARD | WNR. | UNS |
|---|---|---|
| Duplex 2205 | 1.4462 | S31803 / S32205 |
| Super Duplex Steel 2507 | 1.4410 | S32750 / S32760 |