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Mahavir Metals India Manufacturer & Supplier of Stainless Steel SS 304 Rod and SS 304 Black Bars are both constructed of 304 stainless steel and hence have a similar chemical composition, which means they can both tolerate high temperatures and pressure. The primary distinction between SS 304 Rod and SS 304 Black Bars is in their construction. The rod has a smooth surface with circular cross-sections. The rolling process, on the other hand, is used to make the Black Bars, in which the steel is pushed through many rolls to achieve the desired shape and size.
Condition A indicates the bar is annealed, Condition H is a bar that has been hardened and tempered at a relative temperature, Condition T is a bar that has been hardened and tempered at a relatively high temperature, Condition S is when the grade 304 rod is furnished in a strain hardened or relatively light cold worked, and Condition B is when the grade 304 rod is furnished in a relatively severe choking. Heat treatment and a corrosion test are performed on the type 304 bar.
Specification | EN 10272, EN 10088-3 Grade 1.4301, AMS 5639, EN58E |
Standard | GB, AISI, DIN, SUS, API, UNS, ASME, ASTM, EN |
Sizes | 3mm to 800mm diameter |
Length |
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Finish | Bright Drawn, Polished, Peeled, Bright, Cold Drawn Turned, Smooth Turned, Centreless Ground, Black, Grinding, Annealed, Rough Turned |
Tolerances | H12, K10, H10, K11, H11, K12, H13, H9, H8, K9 |
Surface Finish | 8K, HL, NO.3, BA, 2B, 1D, NO.4, 2D, NO.1 |
Production Method | Rolled / Forged |
Characteristics |
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Value Added Services at Mahavir Metal |
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Other available forms | Angle, Profiles, T, I/H, Ingot, Precision Ground, Hollow, Channel, Half Round, Blocks, Threaded, Billet, Rectangle, Rounds, Triangle, Forging, Rod |
Port |
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Export to | Saudi Arabia, Canada, Oman, Spain, Ireland, Russia, Korea, Italy, Mexico, Brazil, Malaysia, Canada, Egypt, Singapore, USA, Dubai, Peru, Thailand, Kuwait, Indonesia, Vietnam, etc |
Our Stainless Steel 304 Rod/ Bars conforms to Standard ISO 15156/ NACE MR0175 |
Grade | Old British | UNS No | Japanese JIS | Swedish SS | Euronorm | ||
En | BS | Name | No | ||||
SS 304 Bar | 58E | 304S31 | S30400 | SUS 304 | 2332 | X5CrNi18-10 | 1.4301 |
Element | % Present |
Carbon | 0.0 – 0.07 |
Chromium | 17.50 – 19.50 |
Manganese | 0.0 – 2.00 |
Silicon | 0.0 – 1.00 |
Phosphorous | 0.0 – 0.05 |
Sulphur | 0.0 – 0.03 |
Nickel | 8.00 – 10.50 |
Nitrogen | 0.0 – 0.11 |
Fe/ Iron | Balance |
Mechanical & Physical Properties | Value |
Proof Stress MPa | 190 Min MPa |
Tensile Stress MPa | 500 to 700 MPa |
Elongation A50 mm Min | 45 Min % |
Hardness Brinell Max | 215 Max HB |
Density g/cm³ | 8.00 g/cm³ |
Melting Point ( °C) | 1450 °C |
Thermal Expansion | 17.2 x10^-6 /K |
Modulus of Elasticity GPa | 193 GPa |
Thermal Conductivity W/m.K | 16.2 W/m.K |
Electrical Resistivity | 0.72 x10^-6 Ω .m |