H13 steel is even more remarkable it can be used to the aviation industry.

Today let’s talk about the H13 Steel,

H13 is a hot-working die steel. It is a steel type formed by adding alloying elements on the basis of carbon steel. The standard GB / T1299-2000 is implemented.

Let’s talk about H13 Steel Today.

H13 is a hot-working die steel. It is a steel type formed by adding alloying elements on the basis of carbon steel. The standard GB / T1299-2000 is implemented.

1.Corresponding grade of H13: 4Cr5MoSiV1

H13 Steel mechanical properties: hardness: annealing, 245 ～ 205HB, quenching, ≥50HRC

H13 Steel is the most widely used and representative hot work die steel.Its main characteristics are

(1) It has high hardenability and high toughness;

(2) Excellent resistance to thermal cracking, which can be water cooled in the workplace;

(3) With medium wear resistance, carburizing or nitriding processes can also be used to increase its surface hardness, but the heat crack resistance should be slightly reduced;

(4) Due to its low carbon content, the secondary hardening ability is poor in tempering;

(5) It has anti-softening ability at higher temperatures, but the hardness decreases rapidly when the use temperature is higher than 540 (1000) (that is, the working temperature can be 540);

(6) Small deformation during heat treatment;

(7) Medium and high machinability;

(8) Medium resistance to decarburization.

What is even more remarkable is that H13 Steel can also be used to make important components in the aviation industry.

1. AISI H13 tool steel Chemical composition

C(％)	0.32～0.45	Si(％)	0.80～1.20	Mn(％)	0.20～0.50
P(％)	≤0.030	S(％)	≤0.030	Cr(％)	4.75～5.50
Mo(％)	1.10～1.75	V(％)	0.80～1.20

AISI H13 Steel Forging

For forging H13 tool steel, first slowly Preheat to 750°C(1382°F), soak enough time, then rapidly heat to 1050-1100 °C(1922-2030°F). then start forging, ensure the forging temperature higher than 850°C(1562°F). Cool H13 tool steel must be slowly after H13 steel forging finished.

Ms Sharon Wan

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