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Ferritic Martensitic Seamless Tube ASTM A268 TP409 1.4512 S40900

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Ferritic Martensitic Seamless Tube ASTM A268 TP409 1.4512 S40900

Brand Name : YUHONG

Model Number : ASTM A268 TP409

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : China

MOQ : 1000kgs

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 1000 tons per month

Delivery Time : Depends on quantity

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case

Specification : ASTM A268. ASME SA268

Grade : TP409

Type : Seamless, Welded

Test : NDT, IBR

Finish : Annealed & Pickled, Bright Annealing, Polished

Surface : Polishing, Mirro Surface, Bright, Pickling

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Ferritic Martensitic Seamless Tube ASTM A268 TP409 1.4512 S40900

This specification covers a number of grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and high-temperature service. Most of these grades are commonly known as the “straight-chromium” types and are characterized by being ferromagnetic.


The tubes shall be made by the seamless or welded process with no filler metal added, tubes shall be reheated to a temperature of 1200.F [650.C] or higher and cooled to meet the requirements of this specification, All tubes shall be free of excessive mill scale, suitable for inspection. A slight amount of oxidation will not be considered as scale.

Grade 409 stainless steel is a Ferritic steel that offers good mechanical properties and high-temperature corrosion resistance. It is commonly considered as a chromium stainless steel, with applications in exhaust systems of automobiles and applications that demand weldability.

TP409 stainless grade combines the following characteristics:

-Basic corrosion and oxidation resistance
-Composition balanced for optimum formability
-Weldable only in thin sections due to fully ferritic structure
-Low cost and limited cost variation due to low alloy content

Chemical Composition

Grade C Si Mn P S Cr Ni Ti
TP409 0.08 max 1.00 max 1.00 max 0.045 max 0.030 max 10.5~11.7 0.5 max 6*C min, 0.75 max

SS409 Tubing Tolerance

Stainless Steel 409 Tube OD
Stainless Steel 409 Tube Tolerance
4mm to 35mm
+/- 0.08mm
35mm to 38mm
+/- 0.15mm
38mm to 60mm
+/- 0.20mm
60mm and above
+/- 0.25mm

Equivalent Material

STANDARD

WERKSTOFF NR.

UNS

JIS

KS

TP409

1.4512

S40900

SUS409

STS409

Mechanical Properties

Grade Tensile strength Yield strength Elongation
TP409 380 170 20

Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
TP409 7800 200 11.0 11.7 12.4 25.8 27.5 460 600

Applications

-Aerospace – piston engine manifolds
-Chemical Processing
-Expansion Joints
-Food Processing – equipment and storage
-Petroleum Refining – polythionic acid service
-Waste Treatment – thermal oxidizers

Ferritic Martensitic Seamless Tube ASTM A268 TP409 1.4512 S40900


Product Tags:

Ferritic Seamless Tube

      

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Martensitic Stainless Steel Seamless Tube

      
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