1.4418 Stainless steel seamless pipe for The propeller of Military aircraft

2015-07-01/Jawaysteel 2015-06-25,Jawaysteel had produced 1.4418 stainless steel seamless pipesuccessfully and shipped out.
Here by, we want to brief introduce this material from chemical composition and physical composition. So any inquiry of 1.4418 material, pls send email or call us directly. Good quality with best price will be offered for you.

1.What is 1.4418?
1.4418(X4CrNiMo16-5-1) is Martensite / Ferritic stainless steel which has a superior physical properties, widely used in Ship, Automobile, Machinery and other industries. Such as: Screw, Machine tool parts.(shaft, bolts, etc)

2.What’s the chemical composition of 1.4418?
Grade 1.4418,chemical composition as bellow in form(%)
Grade C Si Mn S P Cr Ni Mo N 1.4418 ≤0.06 ≤.70 ≤1.50 ≤0.03 ≤.04 15.0-17.0 4.0-6.0 0.8-1.5 ≥0.02

Remarks: Special scope of Sulfur can improve some performance, advise and allow control the Sulfur content of 0.015% to 0.03% for machining products, In order to ensure the availability of welding, advise and allow control the Sulfur content of 0.008% to 0.03%,in order to ensure the polishing, suggest that controlled sulfur content as high as 0.015%

3.What’s the physical of 1.4418?

1)Heat treatment condition: +A, +QT760, +QT900
2)Hardness: HB≤320
3)Yield point: Rp0.2 MPa ≥550 or ≥700
4)Tensile strength:Rm, ≤1100,760-960,900-1100
5)Breaking elongation A%:14/16
6)Notch impact energy KVJ:70/90

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