316L Stainless Steel
Mat Grades internal verification confirms source-backed fidelity and data integrity. It does not constitute external certification, ASTM/CDA endorsement, or guaranteed material conformity for procurement.
Key Engineering Properties
Representative source rows, qualified by their reported conditions. Inspect the tables below for all values, limits, and source notes.
Engineering Summary
316L Stainless Steel. Source-scoped engineering data is shown with its reported limits and conditions. Unreported properties are not inferred.
Recognized Aliases
Source-backed commercial trade name and short designations cataloged in canonical data.
Standard Designations & Applicable Specifications
Semantically classified designations distinguishing primary standard identifiers, commercial trade names, and applicable specification references.
| System | Identifier | Standard System Name | Classification Notes & Provenance |
|---|---|---|---|
| TYPEPRIMARY | 316L | Producer-referenced stainless type | —Ref: Practical Data for Metallurgists, 19th edition |
| UNS | S31603 | Unified Numbering System | —Ref: Specification Sheet: Alloy 316/316L |
| Standards Body | Specification Code | Specification Title / Scope | Relationship Type |
|---|---|---|---|
| ASTM | A240 | Standard technical specification.Product specification reference, not equivalent material identity; edition not stated. · PRODUCT_SPECIFICATION · Product form: Plate | Specification Reference |
| 316L | 316L Stainless Steel Engineering Datasheet | Applicable specification reference. | Specification Reference |
Chemical Composition (Weight %)
Elemental limits and values from the cited source. Preserves exact semantic limits (minimums, maximums, and ranges).
| Element | Symbol | Atomic No. | Semantic Basis | Specified Value | Unit | Metallurgical Notes & Qualification | Data Status |
|---|---|---|---|---|---|---|---|
| Carbon | C | 6 | MAXIMUM | ≤ 0.03 | wt% | Source cell: .03max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Manganese | Mn | 25 | MAXIMUM | ≤ 2.00 | wt% | Source cell: 2.00max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Silicon | Si | 14 | MAXIMUM | ≤ 0.75 | wt% | Source cell: .75max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Phosphorus | P | 15 | MAXIMUM | ≤ 0.04 | wt% | Source cell: .045max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Sulfur | S | 16 | MAXIMUM | ≤ 0.03 | wt% | Source cell: .030max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Chromium | Cr | 24 | RANGE | 16.00 – 18.00 | wt% | Source cell: 16.00/18.00. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Nickel | Ni | 28 | RANGE | 10.00 – 14.00 | wt% | Source cell: 10.00/14.00. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Nitrogen | N | 7 | MAXIMUM | ≤ 0.10 | wt% | Source cell: .10max. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
| Molybdenum | Mo | 42 | RANGE | 2.00 – 3.00 | wt% | Source cell: 2.00/3.00. Scope: p22, Type 316L.Ref: Metallus | VERIFIED |
Physical Properties
Source-specific physical properties. Test temperatures are shown only where reported.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Density | 7.9 g/cm³ | TYPICAL | Published metric value; no test temperature stated. | 7.9 g/cm³ | Sandmeyer Steel Company | VERIFIED |
| Elastic Modulus | 200 GPa | TYPICAL | Published metric value; no test temperature stated. | 200 GPa | Sandmeyer Steel Company | VERIFIED |
| Density | 8 g/cm³ | TYPICAL | 8.00 g/cm3 | ATI (Allegheny Technologies Incorporated) | VERIFIED | |
| Elastic Modulus | 193 GPa | TYPICAL | 193 GPa | ATI (Allegheny Technologies Incorporated) | VERIFIED | |
| Poisson's Ratio | 0.29 dimensionless | TYPICAL | 0.29 dimensionless | ATI (Allegheny Technologies Incorporated) | VERIFIED |
Thermal & Thermodynamic Properties
Phase change temperatures, thermal conductivity, specific heat, mean coefficients of thermal expansion across standardized temperature ranges, and recommended thermal processing windows.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Thermal Conductivity | 14.6 W/(m·K) | TYPICAL | Test Temp: 100 °C | 14.6 W/(m·K) | Sandmeyer Steel Company | VERIFIED |
| Coefficient of Thermal Expansion | 16 µm/(m·K) | TYPICAL | Test Temp: 100 °C | 16.0 10^-6/K | ATI (Allegheny Technologies Incorporated) | VERIFIED |
| Thermal Conductivity | 16.3 W/(m·K) | TYPICAL | Test Temp: 100 °C | 16.3 W/(m·K) | ATI (Allegheny Technologies Incorporated) | VERIFIED |
Electrical Properties
Electrical conductivity and resistivity in their reported units and conditions.
| Property Parameter | Canonical SI Value | Semantic Basis | Test Temperature / Context Range | Source Raw Reference | Source Reference | Status |
|---|---|---|---|---|---|---|
| Electrical Resistivity | 740 nΩ·m | TYPICAL | Test Temp: 20 °C | 74 µΩ·cm | Sandmeyer Steel Company | VERIFIED |
| Electrical Resistivity | 740 nΩ·m | TYPICAL | 74 µΩ·cm | ATI (Allegheny Technologies Incorporated) | VERIFIED |
Contextual Mechanical Properties & Tempers
Engineering strength, ductility, and hardness values grouped by product form, temper, and section thickness. Mechanical properties are contextual and not isotropic averages.
| Product Form | Temper / Condition | Section Size | Tensile (UTS) | Yield Strength | Elongation | Shear Strength | Fatigue Strength | Hardness (Scales Preserved) | Status |
|---|---|---|---|---|---|---|---|---|---|
| Plate | ASTM requirements at room temperature (producer sheet)Source values and qualifiersTensile Strength: ≥ 482.6 MPa (MINIMUM)Separate ASTM grade column in producer datasheet; heat treatment and thickness applicability not stated for these requirements. Typical 0.375-inch plate column is not reused as a guarantee. Source specifies room temperature without a numeric temperature.Sandmeyer Steel Company — p2 mechanical table Yield Strength: ≥ 172.4 MPa (MINIMUM)Separate ASTM grade column in producer datasheet; heat treatment and thickness applicability not stated for these requirements. Typical 0.375-inch plate column is not reused as a guarantee. Source specifies room temperature without a numeric temperature.Sandmeyer Steel Company — p2 mechanical table Elongation: ≥ 40 % (MINIMUM)Separate ASTM grade column in producer datasheet; heat treatment and thickness applicability not stated for these requirements. Typical 0.375-inch plate column is not reused as a guarantee. Source specifies room temperature without a numeric temperature. Elongation gauge length: 2 in.Sandmeyer Steel Company — p2 mechanical table HRB Hardness: ≤ 95 HRB (MAXIMUM)Separate ASTM grade column in producer datasheet; heat treatment and thickness applicability not stated for these requirements. Typical 0.375-inch plate column is not reused as a guarantee. Source specifies room temperature without a numeric temperature.Sandmeyer Steel Company — p2 mechanical table | — | ≥ 482.6 MPa | ≥ 172.4 MPa | ≥ 40 % | — | — | ≤ 95 HRB | VERIFIED |
Comparable Grades & Cross-References
Carefully classified cross-reference relationships for 316L Stainless Steel. Comparable does not mean equivalent.
| Related Material | Family | Relationship Classification | Metallurgical Notes & Differences | Status | Action |
|---|---|---|---|---|---|
| 316 Stainless Steel | Stainless Steel | Commonly Compared | Producer presents distinct standard-carbon and low-carbon grades together. This comparison relationship does not assert interchangeability or dual certification for arbitrary stock.Materials serve different design priorities (e.g. higher strength vs superior corrosion resistance or cost). | VERIFIED | Side-by-Side Compare → |
Sources & Provenance Trail
Reference publications and standards organization registers cited across this material record.
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