Grade 1.4028 ( 420J2 ), finish 2B, cold rolled martensitic stainless steel sheets

Stainless steel grade 1.4028 ( 420J2 ) is medium-hardness martensitic grade. Corrosion resistant in water and steam.

Applied for cutting utensils, surgical instruments, measuring tools, mechanical parts esp. subject to wear.

Designations

Chemical composition ( in weight % )

Applications

Cutting utensils and surgical instruments, Measuring tools, Mechanical parts especially in wear resistant applications,

Springs, Printing industry...

Heat treatment

Annealing

Annealing of this material can be performed by heating uniformly to 840 - 900°C (1544 - 1652°F) and

held until the temperature is uniform throughout the section.

Soaking and cooling is required.

Hardening

Stainless steel grade 420J2 can be hardened by heating 950 - 1020°C (1742 - 1868°F) and

held until temperature is uniform throughout the section.

This should be followed by quenching in oil or air cooling.

Tempering

Tempering should be done when it is slightly warm.

We are looking forward to your enquiries.

Contact:LIU

Email: sales@ahoneststeel.com

Cell:0086 189 1527 2882