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1.2083/S136/420 /4Cr13
1.2083/S136/420 /4Cr13

Model No: 1.2083

Grade

ASSAB: S136, AISI 420, DIN 1.2083,GB 4Cr13

Performance Characteristics:

Superior resistance to corrosion, no need for special care or maintenance; S136 is smelted by using vacuum degassing, so that the quality is more purified, the structure is even dense and the polish property is excellent; already pre-hardened and no need for further heat treatment, suitable for direct mold cutting.

Applications:

S136 is suitable for plastic molds, and has better antirust properties for the molds used under wet environment. It is mainly used for making of the high-quality transparent plastic moulds, like sunglasses and optical instruments.

C

Si

Mn

Cr

P

S

Ni

0.36-0.45

≤0.60

≤0.80

12.00-14.00

≤0.035

≤0.030

≤0.60

 Chemical Composition(%): 

Heat treatment standard:

(1) annealing, 800 ~ 900 ℃ slow cooling or about 750 ℃ quick cooling;

(2) quenching, 1050 ~ 1100 ℃ cold oil;

(3) tempering, 200 ~ 300 ℃ rapid cooling .

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