UNS S32750 is a super duplex grade of stainless steel, which is a very common alloy intended for multiple uses across industries that where the equipment used undergo high levels of stress. One such very demanding industry is the oil and gas industry. astm a182 F53 bolts or ALLOY 1.4410, is an alloy that exhibits high mechanical strength with superior corrosion resistance properties. In particular, the Super Duplex Steel Gr F53 Stud bolts are known to fare well in aggressive environments that contain chloride ions.
Stress corrosion cracking or SCC is an issue that ordinary steels aren’t able to cope up with. The chemical composition of astm a182 gr f53 bolts is designed to beat this problem, especially in the petrochemical and oil industry. Another industry where chlorine induced SCC causes problems is the pulp and paper industry. The pulp and paper industry makes use of chlorine containing bleaches such as sodium hypochlorite, which leaves chloride residue on dented steel components.
Over time, the residue increases, especially if the equipment has not been properly cleaned. Using a proper finish to smoothen the Super Duplex Steel Gr F53 Heavy Hex Nuts improves its resistance to corrosion despite its use in such environments. The chemistry of Super Duplex Gr F53 Round Head Bolts makes it formidable to corrosion including types like erosion corrosion and pitting. In the chemical processing industry, the presence of stressors such as chemicals in combination with high pressure damages ordinary steel alloys unlike the more resilient ASTM A182 Grade F53 Fasteners.
Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
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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 |
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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 (%) |
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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 |
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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 |