304 Stainless steel Hexagon socket round head blot M12 10pcs
$0.73
Bulk price: $0.55 for ordering quantity >= 100
Bulk price: $0.48 for ordering quantity >= 1000
| Material | 304 Stainless steel |
| Shape | Hexagon Socket , Hexagon , Round |
| SIZE | M12*25 , M12*30 , M12*35 , M12*40 , M12*45 , M12*50 , M12*60 |
Product detail
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Product size
| diameter | pitch P | dk | dk | K | K | S | S | t |
| MAX | MIN | MAX | MIN | MAX | MIN | MAX | ||
| M2 | 0.4 | 3.8 | 3.5 | 1.8 | 1.5 | - | - | - |
| M2.5 | 0.45 | 4.6 | 4.1 | 1.9 | 1.5 | - | - | - |
| M3 | 0.5 | 5.7 | 5.4 | 1.65 | 1.4 | 2.045 | 2.020 | 10.4 |
| M4 | 0.7 | 7.6 | 7.24 | 2.20 | 1.95 | 2.56 | 2.52 | 1.3 |
| M5 | 0.8 | 9.5 | 9.14 | 2.75 | 2.50 | 3.071 | 3.020 | 1.56 |
| M6 | 1 | 10.5 | 10.07 | 3.3 | 3.0 | 4.084 | 4.020 | 2.08 |
| M8 | 1.25 | 14 | 13.57 | 4.4 | 4.1 | 5.084 | 5.020 | 2.6 |
| M10 | 1.5 | 17.5 | 17.07 | 5.5 | 5.2 | 6.095 | 6.020 | 3.12 |
| M12 | 1.75 | 21 | 20.48 | 6.60 | 6.24 | 8.115 | 8.020 | 4.16 |
| M16 | 2 | 28 | 27.48 | 8.80 | 8.44 | 10.115 | 10.025 | 5.2 |
Chemical composition
| group | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | Feature |
| 304-A2 % | 0.1 | 1 | 2 | 0.05 | 0.03 | 15-20 | 8-19 | 4 | The work hardening rate is moderate, which is suitable for general cold processing and stretching, cold working performance is good, generally used for six angle screw, nut and washer products. | |
| 316-A4 % | 0.08 | 1 | 2 | 0.05 | 0.03 | 16-18.5 | 2-3 | 10-15 | 1 | Corrosion resistance is more than 304, especially suitable for sea water and chemical media, more corrosion resistance and pitting corrosion resistance |
Mechanical properties
| Type | group | Performance level | Screw nominal diameter | tensile strength mpa/mm2 | elongation mpa/mm2 | Breaking elongation mpa/mm2 |
| austenite | A2,A4 | 50 | <=39 | 500 | 210 | 0.6d |
| austenite | A2,A4 | 70 | <=24 | 700 | 450 | 0.4d |
| austenite | A2,A4 | 80 | <=24 | 800 | 600 | 0.3d |
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Questions
Why stainless steel is magnetic?
304 stainless steel is austenitic stainless steel, When the austenite is in the cold working process, there are small amount of austenite transform to martensite . Martensite is magnetic, so the 304 stainless steel is non - magnetic or micro - magnetic.
How to identify authentic 304 stainless steel products?
Special detection potion detection, if colour is not changed.It's authentic 304 stainless steel.
What are the most commonly used stainless steel?
A. 201 stainless steel B. 304 stainless steel C. 316 stainless steel
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