Home > Duplex Steel > Duplex Steel S31803 Forgings
Our firm provides an extensive selection of Duplex Steel S31803 Forgings, thoughtfully procured from trusted suppliers celebrated for their skill in custom-manufactured, high-grade duplex steel goods. These meticulously designed forgings act as foundational parts throughout numerous industries, offering outstanding flexibility in dimensions, grades, and standards to meet varied customer needs. Highly regarded in fields including oil and gas, marine, and chemical processing, our top-quality Duplex Steel S31803 Forgings feature remarkable resistance to corrosion and erosion. Thanks to their duplex microstructure, these forgings provide unmatched strength and longevity, guaranteeing uniform mechanical properties across the entire forged structure.
| Standard | : | ASTM A /SA A1049 / A1049M, A788 / A788M |
| Dimension | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Forged Between | : | 2300/1700ºF (1260/930ºC) and air cooled |
| Severe Reductions | : | Ingot breakdown, Roll forging, Drawing, Blocking and Backward extrusion- 2300ºF (1260ºC). |
| Moderate Reductions | : | Finish forging and upsetting- 2200ºF (1200ºC). |
| Slight Reductions | : | Coining, restriking and end upsetting- 2050ºF (1120º). |
| Type | : | Chain Link, D Shackle, Bow Shackle etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for all your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold a large inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel S31803 Forgings in accordance with DIN, ISO, JIS or ANSI Standard.
Duplex Steel S31803 Forgings serve applications as varied as the industries that use them, driven mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Duplex Steel S31803 Forgings work well for moderate to high-temperature applications thanks to their balanced mix of austenite and ferrite phases, which provides solid mechanical properties along with resistance to oxidation and thermal fatigue. They are widely applied in sectors like oil and gas, chemical processing, and marine environments involving elevated temperatures.
When choosing Duplex Steel S31803 Forgings, take into account their resistance to corrosion, mechanical strength (covering fatigue and impact resistance), and their fit for uses that demand high strength along with good weldability. These qualities guarantee peak performance in tough settings like offshore platforms and chemical processing plants.
Duplex Steel S31803 Forgings generally do not need corrosion protection coatings because of their built-in corrosion resistance, particularly in chloride-rich environments. Nevertheless, coatings can be used for certain applications that call for extra protection against harsh chemicals or conditions.
Yes, Duplex Steel S31803 Forgings are suitable for structural use thanks to their outstanding blend of high strength, solid toughness, and resistance to corrosion, which makes them a good fit for load-bearing parts across many industries, such as construction and offshore structures.
Mail: sales@koasteel.nz