Home > AISI 1055 Round Bars
AISI 1055 Round Barsare high-carbon steel bars recognized for their considerable strength and long-lasting durability. Containing roughly 0.55% carbon, these strips deliver outstanding wear resistance and toughness, which makes them well suited for uses that demand impact and abrasion resistance. They are frequently applied in producing tools, machinery parts and automotive components, delivering dependable performance in demanding conditions. AISI 1055 round bars present an economical option with remarkable mechanical properties for heavy industrial uses or precision engineering.
| Mechanical properties a at room temperature in the quenched and tempered condition (+QT) | |||
| Diameter d mm | ≤ 16 | 16-40 | 40-100 |
| Thickness t mm | < 8 | 8-20 | 20-60 |
| Yield Strength Mpa | ≥550 | ≥490 | ≥420 |
| Tensile Strength Mpa | 800-950 | 750-900 | 700-850 |
| Elongation, % | ≥12 | ≥14 | ≥15 |
| Reduction of area ,% | ≥30 | ≥45 | ≥40 |
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | Cr+Mo+Ni |
| C55/1.0535 | 0.52-0.6 | 0.60-0.90 | ≤ 0.045 | ≤ 0.045 | ≤ 0.4 | ≤ 0.4 | ≤ 0.1 | ≤ 0.4 | ≤ 0.63 |
| C55E/1.1203 | 0.52-0.6 | 0.60-0.90 | ≤ 0.03 | ≤ 0.035 | ≤ 0.4 | ≤ 0.4 | ≤ 0.1 | ≤ 0.4 | ≤ 0.63 |
| C55R/1.1209 | 0.52-0.6 | 0.60-0.90 | ≤ 0.03 | 0.02-0.04 | ≤ 0.4 | ≤ 0.4 | ≤ 0.1 | ≤ 0.4 | ≤ 0.63 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive 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 needs.
We supply these AISI 1055 Round Bars in accordance with DIN, ISO, JIS or ANSI Standard.
AISI 1055 Round Bars find use across a wide range of industries, led chiefly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, AISI 1055 Round Bars, as a high-carbon steel, are prone to galvanic corrosion whenever they contact dissimilar metals in the presence of an electrolyte. Preventing this typically involves protective steps like coatings, insulation, or selecting compatible metals. Routine maintenance and monitoring can reduce the likelihood of galvanic corrosion, safeguarding the durability and performance of AISI 1055 round bars across a range of applications.
Mail: sales@koasteel.nz
