535.0 (7Mg) Aluminum Alloy
- Former designations. Almag 35.
- Former AMS. 4238A, 4239
- Former ASTM. GM70B
- UNS number. A05350
- Government. QQ-A-601, QQ-A-371
- Description: 535 is commonly not heat treated. We typically always use 535.2 aluminum alloy. The aluminum alloy 535, better known as Almag 35 is a light weight high strength alum. magnesium alloy that doesn’t require heat treatment. Almag 35 offers excellent corrosion resistance, machines well and is also dimensionally stable making it great for products such as instruments or marine alum. sand castings amongst other uses.
Typical Properties & Characteristics of Aluminum Sand Castings
| Typical Aluminum Alloys (a) | … | Resistance to Corrosion (b) | … | … | … | Typical Mechanical Properties | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | Former AA Designation | ASTM Spec. No. | Federal Spec. No. | SAE Alloy No. | Approx. Weight, lb./in.3 | General | Stress Corrosion Cracking | Relative Machinability (c) | Castability (k) | Weldability (Arc) (d) | Ultimate Tensile Strength, ksi (i) | Yield Strength Tension, ksi (e) (i) | Elongation, Percentage in 2 in. (Round Specimen, 1/2" Dia.) (f) (i) | Shear Strength, ksi (g) | Fatigue Endurance Limit, ksi (h) | Brinell Hardness (500-kg Load, 10-mm Ball) (j) | ||||||||||
| 535.0-F | Almag 35 | B26 | QQ-A-601 | 324 | 0.095 | 1 | A | 1 | 5 | 4 | 40 | 21 | 13 | 28 | 10 | 70 | ||||||||||
| AA Number | Former AA designations | Former ASTM number | Cu | Mg | Mn | Si | Others |
|---|---|---|---|---|---|---|---|
| 535.0 | Almag 35 | GM70B | … | 6.80 | 0.18 | … | 0.18 Ti |
| Alloy | Fluidity | Resistance to hot cracking | Pressure tightness | Heat Treatment | Strength at elevated temperatures | General corrosion resistance | Machining | Polishing | Anodizing Appearance | Weldability |
|---|---|---|---|---|---|---|---|---|---|---|
| 535.0 | 5 | 4 | 5 | Optional | 3 | 1 | 1 | 1 | 1 | 4 |
| Alloy | Uses |
|---|---|
| 535.0 | Marine industry, corrosive prone applications |
| Typical Tensile Properties for separately cast test bars of comon aluminum casting alloys | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Alloy | Temper | Tensile strength | Shear strength | Tensile strength | Shear strength | Elongation % | ||||
| Mpa | ksi | Mpa | ksi | Mpa | ksi | Mpa | ksi | |||
| 535.0 | F | 275 | 40 | 140 | 20 | 190 | 27.5 | 162 | 23.5 | 13 |
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