Martensitic Stainless Steels

Martensitic Stainless Steels

Material:403,410,414,416,416 (Se), 420,431,440, A440Band440C
Product: pipe,bar,sheet
Size: as customer required
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Product Details

Martensitic stainless steel is a kind of stainless steel which can be adjusted by heat treatment (quenching, tempering). This property determines that this kind of steel must have two basic conditions: first, the austenitic phase region must exist in the equilibrium phase diagram, and the carbide must be heated for a long time in the temperature range of the region, so that the carbides can be solid dissolved in the steel. Martensite is formed by quenching, that is, the chemical composition must be controlled in the γ or γ α phase region, and the passivation film resistant to corrosion and oxidation must be formed, and the chromium content must be more than 10.5%. It can be divided into martensite according to the difference of alloying elements. Chromium stainless steel and martensite chromium nickel stainless steel.

Material:403,410,414,416,416 (Se), 420,431,440, A440B and 440C

Product: pipe,bar,sheet

Size: as customer required

Commonly used material:410,440c etc.

Chemical composition table

410

C

Si

P

S

Cr

≤0.15

≤1.00

≤ 0.035

≤0.030

11.50~13.50

Chemical composition table

440C

C

Si

Mn

P

S

Cr

Mo

0.95~1.2

≤1.00

≤1.00

≤ 0.045

≤0.030

16~18

0.4~0.8


Martensitic stainless steel can be used for quenching, tempering and annealing, just as for modulated steel. The mechanical properties of the steel are similar to that of the modified steel: when the hardness increases, the tensile strength and yield strength increase, while the elongation, the cross section shrinkage and the impact energy decrease with the increase of hardness.

JDSTEELPIPE is a professional supplier of high quality Martensitic stainless steel. If you have some planning or inquiries, email info@jiade-group.com.



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