What does A4-70 mean on a bolt?
When we say A4-70 it generally means that the bolt / screw is from SS 316 grade and has an ultimate tensile strength as 70 kg or 700 n/mm2. ISO 3506-1 Grade A4-70. A4-70. Hex bolts, screws, stud bolts, double ended studs, full thread rods, full threaded studs.
What is a Class 70 bolt?
The “70” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). Therefore, A4-70 is an austenitic, acid proof stainless grade (usually 316 material – 316 or 316L) which has been cold worked to provide a nimimum tensile strength of 700N/mm² (MPa).
How strong is an A2 70 bolt?
A Bolt Marked A2-70 Is A 304 Stainless Steel Bolt With A 700 N/mm2 Tensile Strength (See Below Table). The -70 Representing The Tensile Strength Divided By 10.
Is A2 or A4 harder stainless?
A2 vs A4 stainless steel strength Whereas grade A4 is stronger than grade A2, and its tensile properties are almost similar to alloy steel grade 8.8.
What is the difference between A2 70 and A4 70?
The material composition is the primary difference that makes difference in the mechanical properties and other aspects of these materials. The a4 material has 16% chromium, 2% molybdenum and 10.5% nickel in the composition. The a2 material has 10.5% chromium in the composition.
Is A4-70 high tensile?
The A4-70 grade has 700MPa tensile strength and A4-80 has 800MPa minimum tensile strength.
What is the difference between A2-70 and A4-70?
What is the difference between A2-70 and A4 70?
What does A2-70 mean on a nut?
Garde A2-70 Bolts, Screws & Nut. A2-70 Stainless Steel Fastener is recognized by 2 ways, A2 which describe it as being from SS 304 family and 70 which classifies its strength. When we say A2-70 it generally means that the bolt / screw is from SS 304 grade and has an ultimate tensile strength as 70 kg or 700 n/mm2.
Is A4 the same as 316?
A4 Stainless Steel A4 Stainless is often referred to as 316 or 18/10 stainless. As in A2 above, the numbers 18/10 refer to the chromium and nickel content- 18% chromium and 10% nickel.