Hemi Metals, located in Hamilton, New Zealand, is a reputable manufacturer and supplier of high-quality Stainless Steel 416 Flat Bars, perfect for precision machining and robust industrial applications. SS 416 is a free-machining martensitic stainless steel designed for excellent machinability, along with solid corrosion resistance and mechanical strength. With a focus on strict dimensional accuracy, a smooth surface finish, and controlled metallurgical quality, these flat bars deliver reliable performance in challenging environments. Hemi Metals caters to various industries, including automotive, industrial machinery, oil & gas, and precision engineering, where productivity, accuracy, and durability are key.
Stainless Steel 416 is composed of about 12–14% chromium, with a carefully controlled carbon content and added sulfur to enhance machinability. While the sulfur boosts cutting performance, it does slightly compromise corrosion resistance compared to SS 410. Typically, SS 416 flat bars achieve tensile strength between 500–700 MPa after heat treatment, showcasing good hardness and moderate ductility. This material is magnetic, responds well to hardening and tempering, and offers exceptional machinability among stainless steel grades, all while ensuring dependable mechanical performance.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 416 | 0.15 | 14.0 – 12.0 | 1.25 | – | 0.06 | 0.15 | 1 |
| Element | Density, lb/in3 | Melting Point | Electrical Resistivity |
| SS 416 | 0.282 lbs/in3 7 .80 g/cm3 | 2700 – 2790 °F (1488 – 1530 °C) | At 70 °F (21 °C): 343.0 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Stainless Steel 416 Flat Bar is commonly used in applications requiring moderate corrosion resistance, high strength, and machinability. It's used in shafts, valves, pumps, fasteners, and machinery components, particularly in the automotive, aerospace, and manufacturing industries.
The typical hardness level of Stainless Steel 416 Flat Bar ranges from 30 to 40 HRC (Rockwell Hardness Scale). The hardness can vary depending on the heat treatment process, with higher hardness achieved through quenching and tempering.
Common methods for machining Stainless Steel 416 Flat Bar include turning, milling, drilling, and grinding. Due to its high machinability, it can be easily processed using conventional tools, though cutting speeds and coolant usage should be optimized to reduce heat buildup.
Stainless Steel 416 Flat Bars find extensive use in applications that demand excellent machinability, solid strength, and moderate corrosion resistance. They are commonly utilized in precision-machined components, gears, shafts, valve parts, fasteners, pump components, spindles, and bushings. In sectors like automotive, oil & gas, and industrial machinery, SS 416 flat bars are essential for high-speed production parts and mechanical assemblies. They also play a role in power tools, fittings, and general engineering fabrications. With their outstanding machinability, mechanical strength, and cost-effectiveness, they guarantee high productivity and reliable longevity.






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Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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