HV Bolt 12.9

HV Bolt 12.9

[ AREAS-959 ]

HV Bolts 12.9 Grade

The ISO 898-1:2013 Grade 12.9 specification covers carbon steel bolts and studs ranging from M-6 to M-64 diameter. 

We use high carbon steel material and high alloy steel raw materials to achieve the required properties of grade 12.9.

HV Bolt 12.9

ISO 898-1:2013 grade 12.9 Chemical properties

Property class

Material and heat treatment

Chemical composition limit (cast analysis, %)a

Tempering temperature ⁰C

Min.

C

P

S

Bb

min.

max.

max.

max.

max.

12.9f h i

Alloy steel quenched and temperedg

0,30

0,50

0,025

0,025

0,003

425

12.9f h i

Carbon steel with additives (e.g. Boron or Mn or Cr or Molybdenum) quenched and tempered

0,28

0,50

0,025

0,025

0,003

380


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