EN19 Steel | SAE 4140 | 1.7225 | SCM440 | 42CrMo4

Specification

En19 steel is a high-quality engineering alloy steel containing chromium and molybdenum. It falls in a class of low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. It can be heat treated in a number of ways to give it a combination of properties.

Application

EN 19 steel is a alloy structural steel, EN 19 is used for engineering structural, use in Machine tool and automotive industries gear, gears, shafts, spindles, gears, bolts, studs and a wide variety of applications where a good quality high tensile steel grade is suited.

Chemical Analysis %

C	Mn	Cr	Si	MO	P	S
0.35-0.45	0.50-0.80	0.90-1.50	0.10-0.35	0.20-0.40	0.045Max	0.045Max

Delivery condition
Annealed 180-220 HB
Heat Treatment

Soft Annealing	Cooling	Stress Relieving	Hardening	Quenching	Hardness after quenching HRC
680°-720°C	Furnace	600°-650°C	540°-680°C	Air, oil, salt bath 820°-860°C	50 MAX

Tempering °C

Tempering°C	100	200	300	400	500	600
HRC	49	48	48	47	47	46