ASTM A276 316L UNS S31600 Stainless Steel Round Bar Rod Chemical
Bright Annealed
1.4401 stainless steel is a commonly used stainless steel material, also
known as AISI 316 or ASTM A276 Type 316. It has excellent corrosion
resistance and mechanical properties, suitable for various
industrial fields. This article will provide a detailed
introduction to the chemical composition, hardness, density, heat
treatment, mechanical properties, mechanical properties,
application areas, and welding process of this material.
Chemical composition
The chemical composition of 1.4401 stainless steel includes:
maximum carbon (C) content of 0.07%, maximum silicon (Si) content
of 1.0%, maximum manganese (Mn) content of 2.0%, maximum phosphorus
(P) content of 0.045%, maximum sulfur (S) content of 0.03%,
chromium (Cr) content of 16.5-18.5%, nickel (Ni) content of
10.0-13.0%, and molybdenum (Mo) content of 2.0-2.5%.
Hardness
The hardness of 1.4401 stainless steel under annealing conditions
is HB ≤ 215.
Density
The density of 1.4401 stainless steel is approximately 7.99g/cm ³.
Heat treatment
1.4401 stainless steel can be heat treated through solution
treatment and cooling to improve its hardness and strength.
Mechanical properties
The tensile strength of 1.4401 stainless steel is ≥ 520 MPa, yield
strength is ≥ 205 MPa, elongation is ≥ 40%, and elastic modulus is
about 200 GPa.
Mechanical performance
1.4401 stainless steel has good corrosion resistance and processing
performance, and can be used for manufacturing chemical equipment,
food processing equipment, medical devices, etc.
Application field
1.4401 stainless steel is widely used in chemical industry,
pharmacy, food processing, shipbuilding, medical equipment and
other fields, especially in the environment with high requirements
for corrosion resistance.
Welding process
1.4401 stainless steel is suitable for conventional welding methods
such as arc welding, gas shielded welding, etc., but attention
should be paid to controlling welding heat input and avoiding
overheating to maintain its corrosion resistance.
In summary, 1.4401 stainless steel has excellent corrosion
resistance and mechanical properties, making it suitable for
manufacturing and processing in multiple fields. Understanding its
chemical composition, hardness, density, heat treatment, mechanical
properties, mechanical properties, application fields, and welding
processes is of great significance for the correct selection and
application of this material.
Stainless Steel 316l Round Bar Mechanical Properties
| Element | SS 316L |
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | 485 Min |
| Yield Strength (0.2%Offset) | 170 Min. |
| Elongation | 40% Min |
| Hardness (Brinell) | 217 Max. |
Stainless Steel Bar Specifications
| ASTM A276 | This specification encompasses cold-finished or hot-finished bars,
including rounds, squares, and hexagons, and hot-rolled or extruded
shapes, such as angles, tees, and channels in the more commonly
used types of stainless steels. |
| ASTM A479 | This specification includes cold and hot finished stainless steel
bars, including rounds, squares, and hexagons, and hot-rolled or
extruded shapes such as angles, tees, and channels. |
| ASTM A484 | This specification includes wrought stainless steel bars, shapes,
forgings, and billets or other semi-finished materials, except
wire, for forging. The materials are available in four types of
conditions. |
| ASTM A582 | This specification includes cold or hot finished bars, which are
suitable for machining processes. This specification includes
rounds, squares, and hexagons, from common types of stainless
free-machining steels. |
| ASTM B473 | This specification includes nickel alloy bar & wire, which can be
produced in a solution-annealed condition, stabilized-annealed
condition, or annealed condition. |
