Ssis440 2021 2021 ✦ Premium

Note: The 2021 specification emphasizes across different cross-sections, reducing variability in large-diameter bars. Part 5: Heat Treatment Guidelines for SSIS440 2021 Adhering to the 2021 heat treatment protocols ensures optimal performance:

A: Typically 10–15% premium over generic 440C due to additional testing and tighter chemistry. ssis440 2021

When your application demands the highest hardness, exceptional wear resistance, and the confidence of a modern specification, specifying on your next bill of materials is not just a technical decision—it is a strategic one. For more technical datasheets, heat treatment calculators, or to locate certified suppliers of SSIS440 2021, consult your national stainless steel development association or contact an ISO 17025-accredited material testing laboratory. A: Not recommended

| Property | Value (Metric) | Value (Imperial) | |---------------------------|---------------------------|---------------------------| | Tensile Strength, Ultimate | 1800 – 2000 MPa | 261 – 290 ksi | | Yield Strength (0.2%) | 1650 – 1900 MPa | 239 – 275 ksi | | Elongation in 50mm | 2 – 5% | 2 – 5% | | Hardness (HRC) | 58 – 60 | 58 – 60 | | Modulus of Elasticity | 200 GPa | 29,000 ksi | | Impact Toughness (Charpy V) | 5 – 10 J | 3.7 – 7.4 ft-lbf | For more technical datasheets

A: Up to 60 HRC with low temper (150°C). High temper (600°C) drops to ~45 HRC.

A: Not recommended. Pitting and crevice corrosion will occur. Use super duplex (e.g., 2507) instead.