Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Super Duplex S32750 Bolts And Nuts, which gives better-guaranteed corrosion resistance. Super Duplex S32750 Hex Head Bolts is the most widely used duplex (ferritic/austenitic) stainless steel grade. The standard Super Duplex S32760 Hex Head Nuts composition has over the years been refined by us, and the resulting restricted composition range was endorsed. Super Duplex S32750 Square Bolts is not generally suitable for use at temperatures above 300 Degree C as it suffers from precipitation neither of brittle micro constituents nor below -50 Degree C because of its ductile – to – brittle – transition.
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Although Super Duplex S32760 Square Nuts has good high-temperature oxidation resistance, this grade – like other duplex stainless steels – suffers from embrittlement if held for even short times at temperatures above 300 Degree C. If embrittled, Super Duplex S32750 Eye Bolts can only be rectified by a full solution annealing treatment, which is almost never used above 300 Degree C.
Solution treatment (annealing) – heat these Super Duplex S32760 Eye Nuts up to 1020 Degree C – 1100 Degree C and cool rapidly, which further cannot be hardened by thermal treatment, but does work harden. Super Duplex S32750 T-Bolts have higher strength which is around twice that of Type 304 austenitic stainless steel. Super Duplex S32760 T-Nuts finds applications due to both excellent corrosion resistance and high strength.
Super Duplex S32750 / S32760 Bolt/Nut Specifications |
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| Specifications | : | ASTM F 55 ASME SF 55 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye Bolts, T bolt, Hex Bolt, Lag Bolts, Counter Sunk Bolts, Hex Head Nuts, Square nuts, Lock Nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome Nuts, Acorn Nuts. |
S32750 / S32760 Super Duplex Bolt/Nut Chemical Composition
| S32750 / S32760 | C | N | P | Si | Mn | Mo | Ni | Cr | S | Other |
| 0.030 | 0.24/0.32 | 0.035 | 0.80 | 1.20 | 3.0/5.0 | 6.00/8.00 | 24.0/26.0 | 0.020 | Cu:0.50 |
Super Duplex Steel S32750 / S32760 Bolt/Nut Mechanical Properties
| S32750 / S32760 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Equivalent Grades for S32750 / S32760 Super Duplex Stainless Steel Bolt/Nut
| STANDARD | UNS | WERKSTOFF NR. |
| Super Duplex S32750 | S32750 | 1.4410 |
| Super Duplex S32760 | S32760 | 1.4410 |
Super Duplex S32750 / S32760 Bolt/Nut Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
S32750 / S32760 Super Duplex Bolt/Nut Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Super Duplex S32750 Bolts
Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Super Duplex S32750 Bolts And Nuts, which gives better-guaranteed corrosion resistance. Super Duplex S32750 Hex Head Bolts is the most widely used duplex (ferritic/austenitic) stainless steel grade. The standard Super Duplex S32760 Hex Head Nuts composition has over the years been refined by us, and the resulting restricted composition range was endorsed. Super Duplex S32750 Square Bolts is not generally suitable for use at temperatures above 300 Degree C as it suffers from precipitation neither of brittle micro constituents nor below -50 Degree C because of its ductile – to – brittle – transition. Although Super Duplex S32760 Square Nuts has good high-temperature oxidation resistance, this grade – like other duplex stainless steels – suffers from embrittlement if held for even short times at temperatures above 300 Degree C.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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