1.4125 1.4112 SS Pipe And Tube
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1.4125 1.4112 SS Pipe And Tube

1.4125 stainless steel has lower attainable hardnesses but slightly higher corrosion resistances. Although all three versions of this grade are standard grades, in practice 440C is more available than the A or B variants.A free-machining variant 440F (UNS S44020) also exists, with the same high carbon content as 440C. Again this grade is not readily available in Australia.
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Product Introduction

Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 1.4125 1.4112 ss pipe and tube in China. If you're going to wholesale high quality 1.4125 1.4112 ss pipe and tube made in China, welcome to get free sample from our factory. Good service and reasonable price are available.

 

1.4125 1.4112 SS Pipe and Tube

Martensitic stainless steels are optimised for high hardness, and other properties are to some degree compromised. Fabrication must be by methods that allow for poor weldability and usually also allow for a final harden and temper heat treatment. Corrosion resistance is lower than the common austenitic grades, and their useful operating temperature range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures.

chemical composition:

Carbon C: 0.85~0.95

Silicon Si: ≤1.00

Manganese Mn: ≤1.00

Phosphorus P: ≤0.045

Sulfur S: ≤0.030

Chromium Cr: 17.00~19.00

Molybdenum Mo: 0.90~1.30

Nickel Ni: -

Vanadium V: 0.07~0.12

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