The concept and meaning of super austenitic stainless steel seamless pipe and tube

Huzhou Nanxun Yintuo Special Material Technology Co., Ltd. is a professional supplier of stainless steel seamless pipes, including the production of super austenitic stainless steel seamless pipe and tube and austenitic stainless steel seamless pipe. Here are two products to introduce to you Now, if you are interested, please continue reading:

Austenitic stainless steel refers to stainless steel with an austenitic structure at room temperature. When the steel contains about 18% Cr, 8%-25% Ni, and about 0.1% C, it has a stable austenite structure. The austenitic chromium-nickel stainless steel includes the famous 18Cr-8Ni steel and the high Cr-Ni series steel developed by adding Cr and Ni content and adding Mo, Cu, Si, Nb, Ti and other elements on this basis. Austenitic stainless steel is non-magnetic and has high toughness and plasticity, but its strength is low. It is impossible to strengthen it through phase transformation. It can only be strengthened by cold working. If elements such as S, Ca, Se, Te, etc. Machinability.

Super austenitic stainless steel has the same structure as ordinary austenitic alloys. Super austenitic metals are designed to resist crevice corrosion, pitting corrosion, chloride-induced corrosion and stress corrosion cracking. It can also withstand alkaline and salt solutions, prevent the product from being contaminated by metals, and prevent rapid degradation of the fluid transfer system.

The main specifications of super austenitic stainless steel seamless pipe and tube are:

1. ASME SA213 specification for seamless ferrite and austenitic alloy-steel boilers, superheaters and heat exchanger tubes

2. ASME SA312 seamless, welded and cold worked austenitic stainless steel pipe specification

3. ASTM A269 specification for seamless and welded austenitic stainless steel pipes for general service

4. UNS N08904, UNS N08925 and UNS N08926 seamless pipe ASME SB677 code

5. ASME SB690 iron-nickel-chromium-molybdenum alloy specification (UNS N08366 and UNS N08367) seamless pipes and tubes

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The concept and meaning of super austenitic stainless steel seamless pipe and tube
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