Super duplex stainless steel, also known as UNS S32750, is a very popular alloy designed for a variety of applications across industries where the equipment employed is subject to high levels of stress. The oil and gas business is one such extremely demanding sector. Alloy 1.4410, also known as astm a182 F53 bolts, is a material with excellent corrosion resistance and strong mechanical strength. Bolts made of Super Duplex Steel Gr F53 in particular are renowned for performing well in hostile settings where chloride ions are present.
Normal steels cannot handle the problem of stress corrosion cracking, or SCC. In the petrochemical and oil industries, in particular, astm a182 gr f53 bolts are made to overcome this issue. The pulp and paper industries is another instance SCC caused by chlorine causes issues. Sodium hypochlorite and other chlorine-containing bleaches are used in the pulp and paper industries, and they leave chloride residue on dented steel parts.
The residue builds up over time, particularly if the equipment hasn't been adequately cleaned. Despite being used in such conditions, the Super Duplex Steel Gr F53 Heavy Hex Nuts have improved corrosion resistance thanks to a good polish. Super Duplex Gr F53 Round Head Bolts are resistant to corrosion, including erosion corrosion and pitting, due to their chemical composition. In contrast to the more resilient ASTM A182 Grade F53 Fasteners, typical steel alloys in the chemical processing industry are damaged by stressors such chemicals combined with high pressure.
| Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
|---|---|
| Threads: | BSF, UNF METRIC, UNC, BSW or as required |
| Standard | ANSI – American National Standards Institute
DIN:DIN 933, DIN 931, DIN 970, DIN 934 UTS – Unified Thread Standard : UNF, NPT, NPTF, UNS, UNC, UNEF ISO – International Organization for Standardization ISO 4033, : ISO 4032, JIS standards |
| Fasteners/ Bolts Size | M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 |
| Length | 3 mm to 200 mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Finishing | Zinc white, (yellow, black, blue), black oxide,
Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating |
| raw materials of Source | JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc. |
| Form | Square, Hex, Threading as per Gauge, Round Etc. |
| Process of Production | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
|
| Packing | IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request |
| For Bolts & Screws | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H |
| For Nuts | A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040 |
| For SHCS | F837B, F837C, F837E, F837 |
| For Threaded Rods | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2 |
| Element | Content (%) |
|---|---|
| Chromium, Cr | 24 – 26 |
| Nickel, Ni | 6 – |
| Phosphorous, P | 0.035 Max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.015 Max |
| Molybdenum, Mo | 3 – |
| Manganese, Mn | 1.2 Max |
| Silicon, Si | 0.8 Max |
| Copper, Cu | Balance |
| Nitrogen, N | 0.3 |
| Iron, Fe | Balance |
| Grade | Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) |
Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Alloy GR F53 | 110 | 80 | 15 | 28 max |
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| ASTM A182 GR.F53 | – | 1.4410 |
| Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
|---|---|---|---|
| DIN 913 | DIN 963 | DIN 938 | DIN 125 |
| DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
| DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
| DIN 916 | BS 1981 | BS 4439 | BS 3410 |
| DIN 551 | BS 483 | BS 2693 | |
| DIN 553 | BS 2470 | Spring Washers | |
| DIN 438 | DIN 127 | ||
| BS 4168 | BS 4464 | ||
| BS 1802 |
