What is A479 TP316L stainless steel round bar?
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What is ASTM A479 material?
ASTM A479 Scope: This specification covers hot- and cold-finished bars of stainless steel, including rounds, squares, and hexagons, and hot-rolled or extruded shapes such as angles, tees, and channels for use in boiler and pressure vessel construction.
What is A479 TP316L stainless steel round bar?
ASTM A479 tp316L specifies a standard for stainless steel bars, including rounds, squares, and hexagons, and hot-rolled or extruded shapes, for use in boiler and pressure vessel construction. The "tp316L" indicates the Type 316L stainless steel grade, a low-carbon version of the Type 316 alloy, offering excellent weldability and enhanced corrosion resistance, especially in welded structures and high-temperature environments.
Chemical composition of 316L ASTM 479 material
| Grade Symbol | Type 316L | |||||||
|---|---|---|---|---|---|---|---|---|
| UNS Number | S31603 | |||||||
| Elements | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum |
| Composition, % | 0.030 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 |
Mechanical properties
| Imperial | Metric | |
| Density | 0.289 lb/in3 | 8.0 g/cc |
| Ultimate Tensile Strength | 84,100psi | 580 MPa |
| Yield Tensile Strength | 42,100psi | 290 MPa |
| Melting Point | 2,500 – 2,550°F | 1,370 – 1,400°C |
316L SS Cold Rolled Round Bar Physical Properties
| Properties | Unit | Value |
|---|---|---|
| Melting Point | °C | 1370 - 1400 |
| Thermal Conductivity (at 100°C) | W/m·K | 16.2 |
| Specific Heat Capacity (at 20°C) | J/kg·K | 500 |
| Electrical Resistivity | μΩ·m | 0.074 |
| Magnetic Permeability (Relative) | - | 1.02 |
| Elastic Modulus | GPa | 193 |
| Coefficient of Thermal Expansion (0-100°C) | µm/m·K | 16 |
What is ASTM A276 ASTM A276 Type 316L and SA 479 316L?
ASTM A276 Type 316L and ASME SA 479 Type 316L are both specifications for 316L stainless steel bars and shapes, with the primary difference being that ASTM A276 is a voluntary ASTM standard for general-use bars, while ASME SA 479 applies the same material to components for boilers and pressure vessels.
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ASTM A479 Round Bar specification
| Specification | EN 10272, EN 10088-3 |
|---|---|
| Standard | ASME, EN, UNS, AISI, GB, DIN, SUS, API, ASTM |
| Sizes | 3mm to 800mm diameter |
| Length |
12 Random Lengths Long Bars: 15-20 Random Lengths |
| Finish | Centreless Ground, Black, Bright, Rough Turned, Peeled, Bright Drawn, Polished, Cold Drawn Turned, Grinding, Annealed, Smooth Turned |
| Tolerances | H8, H13, H12, H9, H11, K12, H10, K10, K11, K9 |
| Surface Finish | NO.1, NO.3, 2B, 1D, NO.4, 2D, BA, HL, 8K |
| Production Method | Rolled / Forged |
