What does A4-80 mean on a bolt?
What does A4-80 mean on a bolt?
A4-80 Stainless Steel Fastener is recognized by 2 ways, A4 which describe it as being from SS 316 family and 80 which classifies its strength. When we say A4-80 it generally means that the bolt / screw is from SS 316 grade and has an ultimate tensile strength as 80 kg or 800 n/mm2.
What is the difference between A4 70 and A4-80?
A4-80. Made from the second most common stainless steel grade, this material is stronger than grade 2 and generally as strong as medium to low carbon steel. It is also slightly stronger than its A4-70 relative. It is on the low middle end of the grade scale.
Is 316 the same as A4?
That said, there are two main classifications of stainless steel commonly available and in use. These are called A2 and A4. A2 is also known as 304, whereas A4 is also known as 316.
How strong is A4 stainless steel?
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min |
|---|---|---|
| A4-80 | 800 | 600 |
| 316 | 515 | 205 |
| 316L | 485 | 170 |
| 316H | 515 | 205 |
What is the difference between A2 and A4 stainless steel?
A4 stainless is often used in marine or chemical environments as it has greater corrosion resistance than A2. The chemical composition of both A2 and A4 stainless steel are almost identical with the most notable differences being the higher nickel content and the addition of Molybdenum in A4.
What is the strongest stainless steel bolt grade?
Stainless steel bolts are rated for corrosion resistance. Bolt strength is rated in PSI (pounds per square inch). A stainless steel bolt has the same PSI rating as a grade 5 bolt (125,000 PSI). A grade 8 bolt has a stronger rating with a PSI of 150,000.
What is A4-80 stainless steel?
Therefore, A4-80 is an austenitic, acid proof stainless grade (usually 316 material – 316 or 316L) which has been cold worked to provide a minimum tensile strength of 800N/mm² (MPa).
What is A4-80 metric bolt?
A4 80 Bolt is a type of bolt with 800MPa minimum tensile strength. Viha Steel & Forging is a leading manufacturer and supplier of the different types of A4-80 Metric Bolts. The A in the name indicates that the material of the bolt is an austenitic stainless steel.
What is the size of grade a2-80 stainless steel fasteners?
Their size is usually scaled to 24 inches from ½ inches. Series of 304 stainless steel fasteners, especially 304L and 304 fasteners, create Stainless Steel Grade A2-80. The metal solution used makes a massive improvement in the physical and mechanical properties of the Grade A2-80.
What is A4-80 Din es?
A4-80 DIN ES ISO 3506-1: 1997 specifies the mechanical properties of bolts, screws and nuts made of austenitic (amongst others) stainless steels, when tested over an ambient temperature range of 15ºC to 25ºC.
