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409 Mirror Polished Stainless Steel Strip Brush Flat Spring 1mm

  • 409 Mirror Polished Stainless Steel Strip Brush Flat Spring 1mm
Place of Origin Made in China
Brand Name Vespolari Jiangsu
Certification ISO SGS ROHS
Minimum Order Quantity 1Ton
Price Negotiable
Packaging Details standard waterproof package
Delivery Time 7-14 business days
Payment Terms TT L/C
Supply Ability 10000000per month

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Product Details
Name Stainless Steel Coil/Strip Material 201/304/304L/321/316/316L/309/309S/310S/904Lect, Or Customized
Thickness 0.17 Mm~3 Mm Width 10 Mm~250 Mm
Standard ASTM, JIS, GB, AISI, DIN, BS,EN Certificate ISO
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Product Description

409(L) stainless steel coil

Type 409 Stainless Steel(UNS S40900) is a stabilized ferritic stainless steel that provides improved oxidation and corrosion resistance compared to carbon steel.

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Project Introduction

Type 409 Stainless Steel(UNS S40900) is a stabilized ferritic stainless steel that provides improved oxidation and corrosion resistance compared to carbon steel. Ease of fabrication combined with its corrosion resistance and economy have significantly broadened its utilization in automotive exhaust and other non-automotive applications.

ASTM A240 defines three (3) sub categories of Type 409 stainless steel; UNS S40910, UNS S40920 and UNS S40930. Each of these designations has a slightly different Ti or Nb stabilization requirement. Each of these compositions can be supplied as UNS S40900 unless the purchaser specifically identifies a specific composition.

It is produced with enhanced formability characteristics known as High Performance” or Ultra Form” in the industry.

Specifications

ASTM A240

Typical Applications: Automotive exhaust systems applications such as manifolds exhaust pipes, catalytic converters, mufflers, tail pipes and other components. Non-automotive exhaust applications such as home heating systems, automotive thermostats and fuel filters, electrical transformer cases, caskets and heat exchanger tubing.

Chemical Composition: (ASTM A240)

Element

UNS S40910

UNS S40920

UNS S40930

Carbon

0.030 max.

0.030 max.

0.030 max

Manganese

1.00 max.

1.00 max.

1.00 max.

Sulfur

0.020 max.

0.020 max

0.020 max

Phosphorus

0.040 max.

0.040 max.

0.040 max.

Silicon

1.00 max.

1.00 max.

1.00 max.

Chromium

10.5 11.7

10.5 11.7

10.5 11.7

Nickel

0.50 max.

0.50 max.

0.50 max.

Nitrogen

0.030 max.

0.030 max.

0.030 max.

Titanium

6x(C+N) min. 0.50 max.

8X(C+N)min. / 0.15 0.50

0.05 min.

Niobium

0.17 max.

0.10 max.

  

Ti + Nb

    

[0.08+8x(C+N)] min. 0.75 max.

Mechanical Properties

Type

Yield Strength 0.2% offset (KSI)

Tensile Strength (KSI)

% Elongation (2" Gauge length)

Hardness Rockwell

S40910

25 min.

55 min

20 min.

HRB 88 max.

S40920

25 min.

55 min.

20 min.

HRB 88 max.

S40930

25 min.

55 min.

20 min.

HRB 88 max.

Physical Properties

Density (lb./ in^2) @ RT

  

0.28

Modulus of Elasticity in Tension (psi x 10^6)

  

29

Specific Heat (BTU/°F/lb.)

32 to 212 °F

0.114

Thermal Conductivity (BTU/hr/ft^2/ft)

212°F

14.4

Mean Coefficient of Thermal Expansion (in. x 10^-6 per °F)

32 to 212°F

5.84
 

32 to 500°F

6.12
 

32 to 900°F

6.60
 

32 to 1,200°F

6.86

Electrical Resistivity (micro ohms - cm)

at 70°F

60.0

Oxidation Resistance - Continuous Service(°F)

  

1450

Forming

409 stainless can be cut, blanked stretch formed and drawn without difficulty. The formability characteristics of Type 409 are very similar to carbon steel.

Welding

Type 409is readily welded using the conventional weld

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