A prehardened structure mold steel (300 HB/31 HRC) with S, and corrosion resistant

W1.2316 S is a 16%Cr 1% Mo mold steel with improved corrosion resistance properties, thanks to the chromium and molybdenum additions. Furthermore, specific sulfur additions are considered to increase its machinability properties. In quenched and tempered conditions, the grade has a fully bainite martensite microstructure and can be delivered in the prehardened conditions (300 HB or 340 HB).

The grade is not designed for highly finish polished surfaces or etched surfaces. This grade is commonly used for mold steel applications including cores, inserts, molds… subjected to wet condition and/or storage conditions. The grade is also used for the manufacturing of corrosive materials like PVC.

Standard
• EN X36: X36 CrMo17 (S)
• WERKSTOFF Nb: 1.2316 with S addition (≈ 1.2085)
• AFNOR: Z40 CD16S

Chemical Analysis
Typical values (weight%).

C	S max	P max	Si	Mn	Cr	Mo
0.4	0.070	0.030	0.350	0.80	16	1.03

Mechanical Properties
Typical values – Longitudinal direction at 20°C (68°F)
Plates Air quenched and tempered for 300 HB (th 45 mm – 1.8”)

Hardness	YS 0.2		UTS		Elongation	Reduction of area	KCV		Elastic modulus
HB	MPa	ksi	MPa	ksi	%	Z%	J	ft. lbs	GPa	ksi
300	860	125	1045	151	10	21	11	8	207	30035
340	950	138	1160	168	10	20	10	7	207	30035

Delivery Conditions
Typical delivery sizes

Thickness	Width
20 – 120 mm (.79″ – 4.7″)	1500 – 2500 mm (59 – 98.4″)
120 – 300 mm (4.7″ – 12″)	1500 – 1700 mm (49″ – 67″)

PDF: http://www.industeel.info/wp-content/uploads/2016/01/DS-MOLD-W12316S.pdf