3Cr17NiMo is based on the reference to the advantages and disadvantages of the Swedish S-136 and German 1.2316 steel, while the design of new plastic mold steel.

chemical composition

Sulfur: Residual content ≤ 0.020

Phosphorus P: allowable residual content ≤ 0.035

Chromium Cr: 16 ~ 17.50

Nickel Ni: 0.6-1.0

Mo Mo: 0.80 ~ 1.30

Heat treatment

(1) softening annealing - 780-820 ℃, furnace cooling, hardness HB ≤ 230.

(2) quenching - 1020-1050 ℃, oil cooling or quenching liquid, hardness HRC ≥45.

(3) Tempering - Temperature (℃): 100 200 300 400 500 600

Hardness (HRC): 49 47 46 46 47 32

Mechanical behavior

Heat treatment system: 1030 ℃ oil quenching, tempering 780-800 ℃.

Rr 0.2 (Mpa) Rm (Mpa) A (%) Z (%) HRC

≥550 ≥750 ≥24 ≥50 26-30

Use performance

(1) high purity, excellent mirror polishing.

(2) strong corrosion resistance, its corrosion resistance than the S-136 and 1.2316

(3) heat treatment is convenient, quenched and tempered pre-profit, the size and stability.

(4) wear resistance can also be comparable with the S-136 and 1.2316, and easy to weld make up.

Hubei Kaixin Supply Chain Management Co., Ltd.

TEL ：+8618272169977 ; 0714-6510168

FAX：0714-6519746

Email：info@hubeikaixin.com

Add：No.37 Huahu Ave Huahu Street.Huangshi City Hubei

Code：435000

web:www.kxdiesteel.com