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BG-42
BG-42® is a double vacuum-melted, high-speed martensitic stainless steel with excellent hot hardness characteristics, corrosion resistance, wear resistance, and fatigue strength.
Melt-type(s): VIM-VAR
Other name(s): BG42®
Comparable grade(s): 440C
STANDARDS
| Type | Specifications |
|---|---|
| AMS | AMS 5749, AMS-STD-2154 |
| UNS | S42700 |
SIZES AVAILABLE
| Form | Size range |
|---|---|
| Bar | 0.315" - 3.750" |
| Wire | 0.215" |
CHEMICAL COMPOSITION
| Element | Range (%) |
|---|---|
| C | 1.15 |
| Cr | 14.50 |
| Fe | 78.35 |
| Mn | 0.50 |
| Mo | 4.00 |
| Si | 0.30 |
| V | 1.20 |
CHARACTERISTICS
| High temperature | Stainless | Through-hardened | Nitriding | Carburizing | Induction |
|---|---|---|---|---|---|
CHARACTERISTICS
| Characteristic | Value |
|---|---|
| High temperature | |
| Stainless | |
| Through-hardened | |
| Nitriding | |
| Carburizing | |
| Induction |
ADDITIONAL INFO
Heat Treatment
Heat treatment instructions and recommendations for BG-42® are provided by one of our mills, Carpenter. Please contact Sullivan Steel for additional guidance or information.
Machinability
Sullivan Steel typically stocks BG-42® in the annealed condition, optimal for machinability and heat treatment uniformity. Exceptions may apply.
Common Applications
Critical aerospace bearings, gas turbine parts, cutlery.
RESOURCES
Carpenter Data Sheet: TATMOTM High Speed Steel
DISCLAIMER
The product information provided on this page is provided for general reference only and is not complete. Customers and prospective customers should rely on the applicable material certifications for product information, including any exceptions to specifications, if applicable. Material certifications are available upon request. All product sales are subject to Sullivan Steel’s standard terms and conditions of sale.