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UNS N08904 Stainless Steel Seamless Tube SMLS Pipe 904L A312 45 Mm X 5 Mm

Categories Stainless Steel Seamless Tube
Brand Name: MITTEL TISCO BAO STEEL
Model Number: 904L
Certification: SGS ISO MTC
Place of Origin: China
MOQ: 300KGS
Price: 6.5 USD/KG
Payment Terms: L/C, T/T
Supply Ability: 50000KGS
Delivery Time: 7 Days
Packaging Details: Wooden Box
Application: Construction,Industry,boiler,Chemical
Standard: DIN,ASTM,JIS,AISI
Type: Seamless
Welding line type: Seamless
Thickness: 0.5 ~ 60mm
Length: 3000mm~6000mm,Customer Request
Shape: Round Pipe Tube
Outer diameter: 6-630mm
Technique: Cold Drawn
Surface: Annealing,pickling
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UNS N08904 Stainless Steel Seamless Tube SMLS Pipe 904L A312 45 Mm X 5 Mm

904L Stainless Steel Pipe & Tube Specifications

SpecificationASTM A312, A269, A789, A790
Grade904L Stainless Steel
FinishesAnnealing Pickling, Bright Annealing
NPS1/8″ – 24″
SchSch5 – Sch160
ShapesRound, U Bend, Coil Shape
ApplicationHeat Exchanger, Boiler, Condenser, Cooler, Heater

904L Stainless Steel

904L has high nickel composition with low carbon content, copper alloy adding improve its resistance to corrosion, the “L” in 904L stands for low carbon, it is typical Super Austenitic stainless steel, equivalent grades are DIN 1.4539 and UNS N08904, 904L has better properties than other austenitic stainless steels.

904L Stainless Steel Chemical Composition (Max %):


GradeNiCrMoCuCMnSiPSFe
904L23 – 2819 – 234 -51 – 20.02210.0450.035Balance

904L Stainless Steel Mechanical Properties

GradeTensile Strength, MinYeild Strength, MinElognationHardness
904L490 Mpa215 Mpa35%90 HRB Max

904L Stainless Steel Physical Properties

GradeDensity
(Kg/M3)
Elastic Modulus
(GPa)
Mean Co-Eff Of
Thermal Expansion
(Μm/M/°C)
Thermal Conductivity
(W/M.K)
Specific Heat 0-100°C
(J/Kg.K)
Elec Resistivity
(NΩ.M)
0-100°C0-315°C0-538°CAt 20°CAt 500°C
904L79001901511.5500952

904L Stainless Steel Properties

  • Excellent resistance to stress corrosion cracking due to the presence of high amounts of nickel content.
  • Pitting and crevice corrosion, intergranular corrosion resistance.
  • Grade 904L is less resistant to nitric acid.
  • Excellent formability, toughness and weldability, due to low carbon composition, it can be welded using any standard method, 904L cannot be hardened by heat treatment.
  • Non-magnetic, 904L is an Austenitic stainless steel, therefor 904L possesses Austenitic structure properties.
  • Heat Resistance, Grade 904L stainless steels offer good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.
  • Heat Treatment, Grade 904L stainless steels can be solution heat-treated at 1090 to 1175°C, following by rapid cooling. Thermal treatment is suitable for hardening these grades.

904L Stainless Steel Equivalents

  • WERKSTOFF NR 1.4539
  • UNS N08904
  • BS 904S13

SMLS Pipe 904L A312 45 mm x 5 mm UNS N08904 Stainless Steel Seamless Tube


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