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Pengkumta Fasteners proudly offers Duplex Steel Stud Bolts S31803, renowned for their exceptional strength and corrosion resistance. As a leading manufacturer and supplier in Bangkok, Thailand, we ensure top-quality materials and precision engineering in every product. Our Duplex Steel Stud Bolts S31803 are ideal for demanding applications in various industries, providing reliable performance in harsh environments. Choose Pengkumta Fasteners for superior durability and expertise in fastening solutions.
Based in Bangkok, Thailand, Pengkumta Fasteners has built a solid reputation as a reliable manufacturer and supplier of top-notch fastening solutions, including Duplex Steel Stud Bolts S31803. With years of experience and state-of-the-art production facilities, they create products that meet global performance and durability standards. Known for their exceptional corrosion resistance, strength, and reliability in tough environments, Pengkumta’s Duplex Steel Stud Bolts S31803 cater to various industries like oil, gas, petrochemicals, marine, and construction. They pride themselves on delivering high precision, timely service, and competitive pricing to customers around the world.
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | 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 % |
| Grade | Duplex Steel UNS S31803 / S31803 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Duplex Steel Stud Bolts S31803 are made up of about 22% chromium, 5–6% nickel, 3% molybdenum, and the rest is iron, with added nitrogen to boost strength. This unique duplex microstructure blends austenitic and ferritic phases, providing remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. These bolts excel in tensile strength, yield strength, and fatigue resistance while maintaining toughness in both high and low temperatures. Their balanced composition results in outstanding mechanical properties, making S31803 stud bolts a go-to choice for demanding industrial applications that face high stress and corrosive conditions.
Duplex Steel Stud Bolts S31803 find their place in industries that require exceptional durability and corrosion resistance in harsh environments. They’re commonly used in both offshore and onshore oil and gas platforms, subsea equipment, and petrochemical plants, thanks to their ability to resist chloride-induced corrosion. In marine settings, these bolts are crucial for shipbuilding and maintenance, ensuring safety and reliability. Their versatility and strength make them ideal for a wide range of applications, proving essential in sectors where performance and longevity are non-negotiable.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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