Material Condition |
: |
Annealed, Solution Annealed & Pickled, Quenched & Tempered, Hardened & Tempered. |
| Supply Condition |
|
Cold Drawn & Polished.
Cold Drawn, Centerless Ground & Polished.
Peeled, Centerless Ground & Polished.
Peeled (Rough Turned.
Buffed (Mirror Finish).
Chamfered(30/45/60 Degree).
Solution Annealed, Grit 240-320 Polish. |
| Characteristics Feature |
|
- Very good resistance to uniform corrosion
- Very good resistance to pitting and crevice corrosion
- High resistance to stress corrosion cracking and corrosion fatigue
- High mechanical strength
- Good sulfide stress corrosion resistance
- Good abrasion and erosion resistance
- Good fatigue resistance high energy absorption
- Low thermal expansion
- Good weldability
|
Equivalent Grade
& Specification Standards |
: |
Astm a276 UNS S31803, S32205, S32750, S32760 |
Round Bars |
: |
Sizes: 10 mm to 100 mm.
Length: 100mm upto 6 mtrs. |
| Hexagon Bars(A/F) |
|
Sizes: 25mm to 75mm
Length: 100mm upto 6 mtrs. |
| Rectangular Flat Bars |
|
Sizes: 10 mm to 50mm thickness.
Length: Upto 6 mtrs. |
Forged Bars |
: |
Sizes: 150 to 300 mm.
Length: 100mm upto 6 mtrs. |
Continuous Cast Billets |
: |
120 x 120 to 225 x 225mm as per requirement. |
Round Cornered Square Billets |
: |
45 mm to 122 mm as per requirement. |
| Size Tolerance |
|
h8, h9 (DIN 671), h10, h11,ASTM A484, DIN 1013. |
| Packing |
|
In 250 to 1000 Kgs. export worthy bundles, wrapped with HDPE cloth and strapped with metal strips at 3-4 places. Identification labels are tagged according to standard specification with color code. Wooden boxes are provided on demand. Each bar can be packed in protective folio on demand. |
| Characteristics Features Of Duplex Steel |
|
- Very good resistance to uniform corrosion
- Very good resistance to pitting and crevice corrosion
- High resistance to stress corrosion cracking
- High resistance to corrosion fatigue
- High mechanical strength
- Good sulfide stress corrosion resistance
- Good abrasion and erosion resistance
- Good fatigue resistance high energy absorption
- Low thermal expansion
- Good weldability
|
Application |
: |
- Offshore technology
- Oil and gas equipment
- Seawater desalination plants
- Chemical industry, especially when handling chlorides
- Flue-gas cleaning
- Desalination plants and seawater systems
- Pulp and paper industry
- Cargo tanks and pipe systems in chemical tankers
- Firewalls and blast walls on offshore platforms
- Bridges
- Storage tanks
- Pressure vessels, reactor tanks, and heat exchangers
- Rotors, impellers and shafts
|
