Outokumpu 1.4318 データシート

Wrought Stainless Steel

Outokumpuで提供さ

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製品説明
Austenitic stainless steel
Type X2CrNiN18-7 stainless steel: EN 1.4318, AISI 301LN, low carbon, high nitrogen

Applications
  • Generally used for structural parts where high strength and toughness are needed beside a corrosion resistance similar to grade 1.4301 / AISI 304.
  • When hardened by cold working (surface finish 2H or TR), the strength and corrosion resistance of this steel grade steel is utilized in structural applications, like in transportation vehicles.
  • The combination between ductility and toughness is excellent even at low temperatures.

Welding
  • Weldability is good. The thermal expansion is 1,5-times larger compared with carbon steels.
  • Chromium and nickel contents of the filler metal have to match or to be higher than the composition of the base metal, e.g. type 19-9.
  • Cleaning the weld seam has a significant importance for corrosion resistance. Pickling is recommended.

Forming and machining
  • Work hardening is pronounced due to high work hardening rate and formation of martensite in the range of larger deformations.
  • Formability is good, thus forces needed and the elastic return is bigger compared with carbon steels and even when compared with grade 1.4301 / AISI 304.
  • Because of high ductility and work hardening it is recommended to use sharp cutting tools and an effective cooling and adequate feed of tool when machined.

Corrosion resistance
  • Corrosion resistance is comparable to grade 1.4301 / AISI 304.
  • Resistance to atmospheric corrosion is adequate for several applications. Special attention should be paid on surface finish and regular cleaning procedures in marine and industrial environments.
  • In chloride containing solutions pitting and crevice corrosion is possible depending on various parameters like chloride concentration, temperature, pH value, redox potential, crevice geometry and others.
  • When the temperature of chloride containing solutions exceeds 50°C and the construction is loaded, stress corrosion cracking is possible.
  • The best material performance is reached usually with the help of adequate design, correct post-weld treatment and regular cleaning during use (if applicable).
一般  
供給体制 
  • 供給可能
供給可能地域 
  • アジア太平洋地域
  • アフリカ&中東
  • ラテンアメリカ
  • 北アメリカ
  • 欧州
Available Documents
Technical Datasheet (English)
Metals General
公称値
単位
 
Applicable Specifications
 
 
Metal Type
 
 
Alloy Identification
 
 
Metals Type Analysis
公称値
単位
 
Type Analysis
     
Carbon
%
 
Chromium
%
 
Iron (Balance)
%
 
Nickel
%
 
Nitrogen
%
 
Metals Physical
公称値
単位
 
密度
lb/in³
 
Metals Mechanical
公称値
単位
 
Tensile Strength (Ultimate)
ksi
 
Tensile Strength (Yield), 0.2%
ksi
 
Tensile Elongation (Break)
%
 
Metals Thermal
公称値
単位
 
Mean CTE (68 から 212°F)
in/in/°F
 
熱伝導性 (68°F)
Btu·in/hr/ft²/°F
 
ノート
1一般的なプロパティ:これらは仕様として解釈されるものではありません。
 
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