385 meets and exceeds the requirements specified in MIL-A-12560 (appendix A Class 1).
| Weldability | Carbon equivalent of 0.72 Typical |
| Mechanical Properties (ASTM A370) |
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| Charpy V-Notch Impact (ASTM A673) BEND TEST | Standard size, 17 foot-pounds (23 joules) @ -40 deg C/F test temp, transverse direction hardness 363 BHN. (note the complete requirements are in MIL-A-12560J Table V) 4T (up to .50 inches-12.5mm) |
| Flatness | Requirements are 50% of that specified in ASTM A-6. Tighter flatness tolerances are available (subject to SWC approval). |
| Thickness | The requirements are 50% of that specified in ASTM A-6. Special tolerances are available (subject to SWC approval). |
| Ballistic Testing | The requirements of 385 meet and exceed the requirements specified in MIL-A-12560 J (appendix A Class 1). 385 has been qualified at Aberdeen (US Army Proving Ground). Production lot qualification is performed at an approved test facility. |
| Availability | 385 is available in standard widths of 48", 60" and 72" with a maximum availability of 96". Inquire for width/thickness availability. |
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