A patented free machining holder steel that meets or exceeds standards for grade W 1.2085 (AISI 420 FM).

Material properties
Corrosion resistant mould steel with excellent machinability, high dimensional stability, consistent hardness and improved thermal conductivity.

For which tools
Mould holders, support plates, hot runners, mould components.

For which plastics
Chemically aggressive and acid – releasing plastics. Injection moulding,rubber injection moulding, nextrusion, etc.

Chemical Analysis
Typical values (weight%).

C	Si	Mn	S	Ni	Cr	N
0.07	0.15	1.40	0.12	0.50	12.0	+

Mechanical Properties
Bozhong Stainless is delivered hardened and tempered to 290 – 330 HB.

Test thickness	Test hardness	Yield strength (ksi)	Tensile strength (ksi)
100 mm (3.93″)	310 HB	890 N/mm² (129)	1000 N/mm² (145)

Delivery Conditions
Typical delivery sizes

Manufacturing process	Thickness	Width
Hot rolling	15 – 150 mm – 0.59 – 5.90″	2000 mm – 78.74″
Hot forging	150 – 350 mm – 5.90 – 13.77″	2000 mm – 78.74″

PDF: http://www.industeel.info/wp-content/uploads/2016/01/DS-MOLD-SPSTAINLESS.pdf