Home > AISI L6 Round Bars
AISI L6 round barsare premium tool steel bars recognized for their toughness and outstanding resistance to impact. With a distinctive blend of chromium, nickel and molybdenum, the L6 round plate delivers superior toughness and resistance to corrosion, making it well-suited for use in demanding environments. It is widely employed in producing tools, dies and industrial equipment, and these plates guarantee dependable performance under high-pressure situations. Their outstanding mechanical characteristics and weldability make them simple to fabricate and tailor. Following rigorous quality benchmarks, AISI L6 round bars offer a dependable option for applications requiring strength, stability and precision.
| Standard | Grade | C | Si | Mn | P | S | Cr | Ni | Mo | V |
| ASTM A681 | L6 | 0.65-0.75 | 0.1-0.5 | 0.25-0.80 | ≤0.03 | ≤0.03 | 0.6-1.2 | 1.25-2.0 | ≤0.50 | — |
| EN ISO 4957 | 55NiCrMoV7 | 0.50-0.60 | 0.1-0.4 | 0.60-0.90 | ≤0.03 | ≤0.02 | 0.8-1.2 | 1.50-1.8 | 0.35-0.55 | 0.05-0.15 |
| DIN 17350 | 1.2714 56NiCrMoV7 | 0.50-0.60 | 0.1-0.4 | 0.65-0.95 | ≤0.03 | ≤0.03 | 1.0-1.2 | 1.50-1.8 | 0.45-0.55 | 0.07-0.12 |
| JIS G4404 | SKT4 | 0.50-0.60 | 0.1-0.4 | 0.60-0.90 | ≤0.03 | ≤0.02 | 0.8-1.2 | 1.50-1.8 | 0.35-0.55 | 0.05- |
| Quenching at 860 °C in oil | Tempering | 100°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | 450°C | 500°C | 550°C | 600°C | 650°C |
| HB | 634 | 615 | 595 | 577 | 543 | 512 | 482 | 468 | 442 | 409 | 390 | — | |
| HRC | 59 | 58 | 57 | 56 | 54 | 52 | 50 | 49 | 47 | 44 | 42 | — | |
| R,N/mm 2 | 2420 | 2330 | 2240 | 2160 | 2010 | 1880 | 1760 | 1700 | 1580 | 1430 | 1340 | — | |
| Quenching at 860 °C in air | Tempering | 100°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | 450°C | 500°C | 550°C | 600°C | 650°C |
| HB | 560 | — | 512 | — | 482 | — | 442 | 421 | 400 | 371 | 336 | 301 | |
| HRC | 55 | — | 52 | — | 50 | — | 47 | 45 | 43 | 40 | 36 | 32 | |
| R,N/mm 2 | 2070 | — | 1880 | — | 1760 | — | 1580 | 1480 | 1390 | 1250 | 1110 | 1 |
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 hold 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 provide these AISI L6 Round Bars in accordance with DIN, ISO, JIS or ANSI Standard.
AISI L6 Round Bars find uses that are as varied as the sectors they serve, led chiefly 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, AISI L6 Round Bars, as an alloy tool steel, may be prone to galvanic corrosion when placed in contact with unlike metals while an electrolyte is present. To reduce this hazard, safeguards like coatings, insulation, or the use of compatible metals are advised. Routine upkeep and monitoring can assist in avoiding galvanic corrosion, securing the durability and effectiveness of AISI L6 round bars across diverse industrial uses.
Contact via Email: sales@koasteel.nz