Development, integrated production and sales of high-strength, high-quality bolts, precision machined parts, etc., for the aerospace, automotive and medical markets.
Development, integrated production and sales of high-strength, high-quality bolts, precision machined parts, etc., for the aerospace, automotive and medical markets.
This section introduces major specifications.
| Process | Applicable Specification | |
|---|---|---|
| Public Spec. | Customer Spec. | |
| Zinc-Nickel Alloy Plating | AMS2417 | BAC5637(BOEING) |
| Chemical Conversion Coating | MIL-DTL-5541 | BAC5719(BOEING) P2304(MHI) |
| Anodizing-Chromic Acid | MIL-A-8625 | BAC5019(BOEING) P2301(MHI) |
| Anodizing-Sulfuric Acid | MIL-A-8625 | P2301(MHI) |
| Anodizing-Boric Acid - Sulfuric Acid | - | BAC5632(BOEING) |
| Passivation | AMS-QQ-P-35 AMS2700 |
BAC5625(BOEING) P2258(MHI) , KPS-1111(KHI) |
| Cleaning-Descaling of Titanium | - | BAC5753(BOEING) |
| Black Oxide Coating | MIL-DTL-13924 AMS2485 |
HP4-50(KHI) |
| Application of Sol-Gel Conversion Coating on Corrosion Resistant Alloy for Painting | - | BAC5665(BOEING) |
| Application Corrosion Resistant for Integral Fuel Tanks-manual touch-up excluded for requiring approval | - | BAC5793(BOEING) |
| Shot Peening | MIL-S-13165 | BAC5730(BOEING) P2705(MHI) |
This section introduces major specifications.
| material | material Specification | Treatment Process | KSI (strength) |
Applicable Specification | |
|---|---|---|---|---|---|
| Public Spec. | Customer Spec. | ||||
| Inconel 718 Nimonic80A Hastelloy X Waspaloy Rene`41 |
AMS5662,AMS5663 DTD5077 AMS5754 AMS5708 AMS5712 |
Solution HT Precipitation HT |
185 ~ | AMS2774 | C50TF13 |
| material | material Specification | Treatment Process | KSI (strength) |
Applicable Specification | |
|---|---|---|---|---|---|
| Public Spec. | Customer Spec. | ||||
| CP Ti Ti-6Al-4V Ti-6Al-6V-2Sn |
MIL-T-9407,AMS4921 MIL-T-9047,AMS4928 AMS4967 MIL-T-9407,AMS4971 AMS4978 |
- | 36-90 160MIN 175MIN |
AMS-H-81200 AMS2801 |
PS15800 |
| Solution HT Precipitation HT |
|||||
| material | material Specification | Treatment Process | KSI (strength) |
Applicable Specification | |
|---|---|---|---|---|---|
| Public Spec. | Customer Spec. | ||||
| 2024-T42 2024-T4 2024-T6 6061-T6 7075-T6 7075-T73 |
QQ-A-200,225 QQ-A-430 QQ-A-225 QQ-A-200,225,430 QQ-A-200,225,430 QQ-A-200,225 |
Solution HT Precipitation HT |
62MIN 62MIN 60MIN 38MIN 81MIN 70MIN |
AMS‐H‐6088 AMS2770 |
BAC5602 |
This section introduces major specifications.
| Method | Applicable Specification | |
|---|---|---|
| Public Spec. | Customer Spec. | |
| Water Washable-High Sensitivity | ASTM E1417 | BAC5423/BSS7039(BOEING) KPS-8200(KHI) J-RPS702(IHI) |
| Fluorescent post-emulsification method (Post Emulsifier- High Sensitivity) (Post Emulsifier-Ultra High Sensitivity) |
ASTM E1417 | BAC5423/BSS7039(BOEING) P7511(MHI) KPS-8200(KHI) C-0567(KHI) IS AJT-A002(IHI) IS AJT-FPM(IHI) J-RPS702(IHI) IS AJT-EIS1169(IHI) IS AJT-P3TF2(IHI) |
Nadcap is an international certification system for special processes in the aerospace industry operated by the Performance Review Institute (PRI) in the United States as a reviewing authority, and MEIRA is Nadcap certified for heat treatment, surface treatment, non-destructive inspection, and shot peening.
If special processes are included in the products ordered from suppliers by prime makers (Boeing, Airbus, GE, etc.), it is mandatory to acquire Nadcap certification as a condition for winning manufacturing contracts.
AC7102 Heat Treatment Process
AC7108 Chemical Processing
AC7114 Non Destructive Testing
AC7117 Surface Enhancement
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