Isis Metals is a reputable manufacturer and supplier of Stainless Steel 1.4122 Flat Bars, proudly based in Manila, Philippines. The company has built a solid reputation for delivering top-notch stainless steel products that boast impressive strength, wear resistance, and protection against corrosion. By utilizing cutting-edge production technology and high-quality raw materials, Isis Metals guarantees that each flat bar adheres to international quality standards for precision, durability, and performance. These Stainless Steel 1.4122 Flat Bars come in various sizes and finishes, making them a popular choice across industries like automotive, petrochemical, marine, and engineering, where reliability and mechanical strength are crucial.
The composition of Stainless Steel 1.4122 Flat Bars includes iron, chromium (12–14%), molybdenum (0.9–1.3%), carbon (0.2–0.3%), along with trace amounts of nickel, silicon, and manganese. As a martensitic stainless steel, this alloy strikes a remarkable balance between mechanical strength and corrosion resistance. It offers a tensile strength ranging from 700 to 900 MPa, a yield strength of about 500 MPa, and outstanding hardness and toughness after heat treatment. The addition of molybdenum significantly boosts resistance to pitting and oxidation, especially in mildly corrosive and high-temperature settings.
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.
These Stainless Steel 1.4122 Flat Bars find their applications in pump shafts, turbine blades, fasteners, valves, gears, and machine parts that endure high stress and moderate corrosion conditions. Their robust strength and wear resistance make them perfect for automotive, aerospace, and mechanical engineering projects, while their corrosion resistance makes them suitable for use in chemical plants and marine environments. Valued for their machinability, dimensional stability, and long service life, these flat bars are the go-to choice for precision-engineered and high-performance industrial applications.














We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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