B16 Alloy Steel Bar - B5F5B - ASTM A 193
B16 alloy steel bar is a chromium, molybdenum, vanadium alloy steel widely used for high strength industrial applications. It is commonly used in power generation turbines in high strength fastener applications such as bolt material.
- Inventory & Specs
- Chemical Composition
- Physical Properties
- Mechanical Properties
- Datasheet
- Additional Info
Inventory Size Ranges for B-16 Alloy Steel
| Type | Thickness | ASTM | Get a Quote |
|---|---|---|---|
| Bar | 1.000" - 7.000" | ASTM A193 Grade B16 (w/ supplement of S2 charpy impact test) | Get a Quote |
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Other industry standards we comply with:
- S6 stress relieving by AOD-ESR melt
- GE-B5F5
- EN 10204
- Hot worked, solution treated (annealed), then descaled
Common Trade Names
- B16 alloy
- B16 steel
- B16 bolt material
Industry Applications for B-16 Alloy Steel
- Power generation
- Bolting
Chemical Composition
| Element | Min | Max | |
|---|---|---|---|
| C | Carbon | 0.42 | 0.50 |
| Cr | Chromium | 0.80 | 1.15 |
| Mn | Manganese | 0.45 | 0.70 |
| Mo | Molybdenum | 0.45 | 0.65 |
| P | Phosphorus | - | 0.025 |
| V | Vanadium | 0.25 | 0.35 |
| S | Sulfur | - | 0.025 |
| Al | Aluminum | - | 0.015 |
| Si | Silicon | 0.20 | 0.35 |
Physical Properties
- Density: 0.283 lb/in3
- B16 alloy is typically hardened by oil quenching and tempering after the part has reached room temperature
- In diameters over 7", water quenching may be used to meet Charpy impact properties
Mechanical Properties
Hardness
Generally, B16 alloy steel bar is supplied in the quenched and tempered condition where the hardness is normally Rc 35-43. In the annealed condition, hardness is typically 187 BHN.
Machinability
Generally supplied in the quenched and tempered condition, machinability is similar to standard AISI alloys such as 4340.