Hemi Metals is a manufacturer and supplier based in Hamilton New Zealand, that is known for making high-quality stainless steel products. With a motto of excellence, Hemi Metals delivers wide ranges of stainless steel forged bars and rods which are designed according to the varied needs of many industries, from automotive to aerospace and construction, with superior strength, durability, and corrosion resistance as the premium qualities of the best stainless steel alloys. With careful manufacturing, it ensures its manufactured products that not only stand tall on strict mechanical and dimensional parameters but are trusted for delivering quality high-performance stainless steel solutions from Hemi Metals throughout the New Zealand.
Stainless steel forged bars and rods contain a minimum percentage of iron. They are chromium alloyed 10-30%, nickel 8-20%, with minor molybdenum, manganese, silicon, and carbon. Grades are usually 304, with an 18% content of chromium, 8% of nickel, while grade 316 has a chromium content of 16-18%, 10-14% nickel, and 2-3% of molybdenum. The most resistant to corrosion of all alloys. Mechanical properties include tensile strength up to 2000 MPa, yield strength in the range of 250-1000 MPa, and elongation up to 40%. Stainless steel also has good hardness, toughness, and fatigue resistance, making it suitable for high-stress applications in various industries such as aerospace, automotive, and manufacturing.
Standards : ASTM A276, ASTM A484, AISI
Grade : 201, 202, 301, 302, 303, 304, 304H, 304L, 316, 316H, 316L, 309, 309S, 310, 310S, 316Ti, 317, 317L, 347, 321, 321H, 410, 416, 420, 430, 430F, 431, 440C, 630, 17-4PH, F51
Range : from 2.00mm to 6.35mm (0.078″ to 0.25″)dia.
Tolerance : DIN 671, ASTM A484 & as per customer’s specific requirement.
Finish : Cold drawn, Centreless Ground, Polished
| Grade | Su | C | Si | P | Cr | Ni | M | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|
| 316 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 16.0-18.0 | 10.0 14.0 | 2.00 max | 2.0 3.0 | – |
| 317L | 0.030 max | 0.035 max | 0.75 max | 0.045 max | 18.0-20.0 | 11.0 14.0 | 2.00 max | 3.0 4.0 | – |
| 304 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 18.0-20.0 | 8.0 11.0 | 2.00 max | – | – |
| 310 S | 0.030 max | 0.08 max | 1.5 max | 0.045 max | 24.0-26.0 | 19.0 22.0 | 2.00 max | 3.0 4.0 | – |
| 347 H | 0.030 max | 0.04 0.10 | 0.75 max | 0.045 max | 17.0- 19.0 | 9.0 13.0 | 2.00 max | – | 10C(Cb+Ta)<1.10% |
| 321 | 0.030 max | 0.08 | 0.75 max | 0.045 max | 17.0-20.0 | 9.0 12.0 | 2.00 max | – | 5C 0.70% |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Density | Elongation | Melting Point |
|---|---|---|---|---|---|
| SS 303 | Psi – 85,000 | Psi – 45,000 | 55% | 50 % | Rb 180 |
| SS 202 | 515 MPa | 275 MPa | 8.0 g/cm3 | 40 % | 1454 °C |
| SS 304 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 304L | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 316 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 35 % | 1454 °C |
| SS 316L | 485 Min | 170 Min. | 8.0 g/cm3 | 40 % | 1400 °C |
| Type | Peeled nd Ground | Cold Drawn and Polish | Peeled and Polished | Cold Drawn and Ground |
|---|---|---|---|---|
| Sizes (mm) | 20.00 – 50.00 | 3.00 to 75.00 | 40.00 – 150.00 | 10.00 to 75.00 |
| Sizes (inch) | 3/4 – 2.00 | 1/8 to3.00 | 1.50 – 6.00 | 5/6 to 2.50 |
| Tolerance | h9 to h11 | h8 to h11 | h11, h11-DIN 1013 | h8 to h11 |
| CD | CF | CG | BD | ST | P&T |
|---|---|---|---|---|---|
| Cold drawn | Cold finished | Centreless ground | Bright drawn | Smooth turned | Peeled and turned |
| P | HRAP | HF | SRE | PR | RT |
| Polished | Hot rolled annealed and pickled | Hot finished | Slit rolled edge | Peeled and reeled | Rough turned/peeled |
The typical lifespan of stainless steel forged bars varies based on usage, environment, and maintenance but generally lasts 20 to 50 years, with proper care, especially in corrosion-resistant conditions.
Yes, stainless steel forged bars and rods can be customized in size, including diameter, length, and shape, to meet specific requirements for various applications in industries like manufacturing and construction.
Stainless steel forged bars are considered environmentally friendly due to their recyclability, durability, and resistance to corrosion. They have a long lifespan, reducing the need for frequent replacements and minimizing waste.
Stainless steel forged bars and rods have application in most industrial fields, from their strength, toughness, and corrosion resistance. Common applications cover heavy duty equipment, parts of automotive industries, aerospace, and marine. They cover most of the shafts, gears, valves, pumps, and fasteners in the production process. Their excellent mechanical properties are magnificent for high-stress environments, such as those found in power plants and oil rigs. Stainless steel rods and bars are more important in building, chemical treatment, and medical appliances where durability and strong resistance to heavy wear and the extreme temperatures offer longevity.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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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