2316 plastic mold steel

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Description

2316 STAINLESS STEEL

NEAREST EQUIVALENT DIN 2316 (Code X36CrMo17) AISI420, JIS SUS420M, S136

 

CHARACTERISTIC

1.2316 plastic mold steel, supplied from stock in rounds, flats and plate.

1.2316 is a chrome-molybdenum steel with improved corrosion resistance properties, 1.2316 possesses good polishability, toughness, heat resistance and wear-resistant properties. It is often used for tools for processing chemically aggressive plastic materials (e.g. PVC).

1.2316 is a martensitic stainless chromium steel with uniform hardness in all dimensions, it is easy to machine, high surface finish and polishability. 1.2316 is commonly used for plastic moulds, and offers a higher corrosion resistance than 1.2083. It can be used with for the manufacturing of chemically aggressive materials like PVC and plastics containing abrasive fillers.

This grade is not suitable for nitriding and chrome plating because of the high chrome content.

CHEMICAL COMPOSITION (%) DELIVERY CONDITION

C S max P max Si Mn Cr Mo
0.4 0.002 0.020 0.350 0.90 16 09

 

Mechanical properties

1.2316 is delivered quenched and tempered to 280 – 325 HB (29 – 33 HRC).

Hardness YS 0.2 UTS Elongation Reduction
of area
Elastic modulus
HB MPa ksi MPa ksi % Z% GPa ksi
300 855 124 1020 148 13 38 205 29733

 

 

 

Compared grades(based on usage):

GB ASTM DIN ASSAB
3Cr17NiMnMo 420 1.2316 RAMAX

Typical applications of 2316 / S136 :

Injection mould for plastics, die-casting moulds, moulding of corrosive material (PVC), extrusion tools.

Annealing 1.2316 ( RAMAX ) :

810 – 830 °C, Hardness after annealing : Max. 235 HB

 

Stress relieving 1.2316 / RAMAX :

Soak at 600 – 650°C, furnace cool.

Hardening 1.2316 , RAMAX :

Heat to 1020 – 1040 °C. Quench in oil at Oil at 500 – 550°C. Hardness after quenching : 48 – 52 HRC

Tempering:

Tempering 1.2316 mould steel
Tempering °C 100 200 300 400 500 600
HRC 49 47 46 46 47 32