ASTM F568 Grade 4.6 Bolts, ASTM F568 Grade 4.6 Studs, ASTM F568 Grade 4.6 Threaded Rods, ASTM F568 Grade 4.6 Screws Supplier in Mumbai, India.
The requirements
Fasteners made of low carbon steel or medium carbon steel are covered by the Class 4.6 Threaded Rod standard. Grade 4.6 Bolts and Grade 4.6 Nuts are the most often used fasteners in many industries because both low carbon steel and medium carbon steel used to form the alloy of Grade 4.6 Material are cheaper than other steel grades. The Class 4.6 Material contains phosphorous and sulphur in trace levels in addition to carbon as the major alloying element.
Chemical Composition
Strength class or grade |
Material and heat treatment |
Chemical composition (analysis on the product) % |
Min. hardening temperature °C |
C |
P |
S |
B |
min |
max |
max |
max |
max |
4.6 |
Carbon steel |
- |
0,55 |
0,050 |
0,060 |
Not specif
Strength class or grade |
Material and heat treatment |
Chemical composition (analysis on the product) % |
Min. hardening temperature °C |
C |
P |
S |
B |
min |
max |
max |
max |
max |
4.6 |
Carbon steel |
- |
0,55 |
0,050 |
0,060 |
Not specified |
- |
ied |
- |
Mechanical Properties
Class/ Grade |
Material |
Proof stress |
Yield strength (min.) |
Tensile strength (min.) |
Core hardness (Rockwell) |
Grade 4.6 |
Low or medium carbon steel |
225 Mpa |
240 Mpa |
400 Mpa |
B67-95 |