Stainless Steel 1.4122 Flat Bars are made from martensitic chromium steels, typically containing around 12–14% chromium, 0.2–0.3% carbon, along with small amounts of manganese, silicon, and molybdenum. After heat treatment, they display impressive hardness and moderate resistance to corrosion. These bars provide high tensile strength (up to 950 MPa) and good wear resistance, making them ideal for applications that demand strength and toughness, especially in environments where some corrosion resistance is acceptable. The steel is also amenable to polishing and machining, allowing for precision-finished components.
Stainless Steel 1.4122 is a high-chromium content martensitic steel that shows excellent strength and corrosion resistance properties. It generally contains the following percentages: 12-14% of chromium, 0.15-0.4% of carbon, and 0.6-1.0% of molybdenum with trace contents of other elements such as manganese and silicon. Typical mechanical properties of Stainless Steel 1.4122 consist of tensile strength between 600-850 MPa yield strength between 450-600 MPa and around elongation of 10-12%. It provides good hardness and wear resistance, and it is, therefore, appropriate for applications that require high strength and durability, such as in engineering and automotive components.
Standard : AISI, ASTM, BS, DIN, GB, JIS
Specification : ASTM A276 / ASME SA276
Diameter : 6mm-500mm
Width: 100-4200mm
Length : 1 to 6 meters & as per customer’s requirement.
Range : 3 MM TO 350 MM DIA
Dimensions: 5.5MM – 1100MM
Form : Round Bars, Square Bars
Materials Grades: Stainless Steel 1.4122
| Grade | C | Si | Mn | P | S | Cr | Mo | N | Others |
| SS 1.4122 | 0.33-0.45 | max 1.00 | max 1.5 | max 0.040 | max 0.015 | 15.5-17.5 | 0.80-1.30 | max 1.00 | – |
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
| 869 (≥) | 926 (≥) | 41 | 44 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
| EN | DIN | AFNOR |
| 1.4122 | 1.4122 – X 39 Cr Mo 17 1 | Z 38 CD 16-01 |
Yes, Stainless Steel 1.4122 flat bars can be welded, though preheating and post-weld heat treatment may be necessary to reduce the risk of cracking and ensure optimal weld quality.
Yes, Stainless Steel 1.4122 flat bars can be heat treated. It is typically hardened by quenching and tempering, allowing control over hardness and strength for specific applications.
Stainless Steel 1.4122 flat bars resist corrosion due to their high chromium content, forming a passive oxide layer that protects the material from oxidation and corrosion in various environments.
Stainless Steel 1.4122 Flat Bars find their way into a variety of applications where high mechanical strength and wear resistance are crucial. They are commonly used in the production of turbine blades, pump components, shafts, and cutting tools, proving particularly valuable in sectors like automotive, power generation, oil and gas, and mechanical engineering. Their durability in abrasive conditions makes them perfect for valves, gears, and industrial machinery. Moreover, they are well-suited for structural elements in construction projects where both strength and a polished appearance are key.
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