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Product Name:
439 Stainless Steel Coil
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439 Stainless Steel is one of Ferritic stainless steel with excellent inter-granular corrosion resistance, good formability and weldability by reducing C and adding Ti contents based on 430 grade, which are mainly used in Auto exhaust parts, elevators, and kitchen equipment.
Peak Metal, always treat quality as company core heart, has good experiences on supplying 439 stainless steel with grave commitments to endusers and distributors abroad, guaranteed material quality and delivery period for all our valued customers.
● Available Specification
Item
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Standard
|
Finish
|
Thick.
(mm)
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Width (mm), Master Coil Sizes
|
Remark
|
1000
|
1219
|
1250
|
1500
|
1800
|
2000
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439
Stainless
Steel Coil
|
ASTM
JIS
GB
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No.1 (1D)
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3.0~8.0
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|
※
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※
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1.Cut length upto
12 meters
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2B, 2D
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0.4~3.0
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※
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※
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※
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● Features
1. Magnetic, ferritic stainless steel with extra low C, N contents, and addition of Ti.
2. High thermal conductivity, low coefficient of thermal expansion, excellent formability and weldability.
3. Extra-high resistance to auto exhaust condensate corrosion and oxidation resistance, with elevated temperature strength.
● Applications
1. Automotive exhaust systems: Exhaust manifold, Catalytic converter, Muffler;
2. Kitchen equipment, Elevator, Container external panel; Home appliance, tubes etc.
● Chemical Composition
GRADE
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400 SERIES, MAX, %
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C
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Mn
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P
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S
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Si
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Cr
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Ni
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Mo
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N
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Others
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405
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0.08
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1.0
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0.04
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0.03
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1.0
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11.5-14.5
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0.6
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-
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-
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Al 0.10-0.30
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409L
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0.03
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1.0
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0.04
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0.02
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1.0
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10.5-11.7
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0.5
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-
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0.03
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Ti 63(C+N) min,
0.50 max; Cb 0.17
|
410
|
0.08-0.15
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1.0
|
0.04
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0.03
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1.0
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11.5-13.5
|
0.75
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-
|
-
|
-
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410S
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0.08
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1.0
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0.035
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0.03
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1.0
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11.5-13.5
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0.6
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-
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-
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-
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420J1
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0.16-0.25
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1.0
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0.04
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0.03
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1.0
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12.0-14.0
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-
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-
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-
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-
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420J2
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0.26-0.4
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1.0
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0.04
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0.03
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1.0
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12.0-14.0
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-
|
-
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-
|
-
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430
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0.12
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1.0
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0.04
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0.03
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1.0
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16.0-18.0
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0.75
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-
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-
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-
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434
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0.12
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1.0
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0.04
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0.03
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1.0
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16.0-18.0
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-
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0.75-1.25
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-
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-
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436L
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0.25
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1.0
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0.04
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0.03
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1.0
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16.0-19.0
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-
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0.75-1.25
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-
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Cb 53C min,0.80 max
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439
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0.03
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1.0
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0.04
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0.03
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1.0
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17.0-19.0
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0.5
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-
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0.03
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Ti [0.20+4(C+N)]
min, 1.10 max; Al 0.15
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443
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0.025
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1.0
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0.04
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0.03
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1.0
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20.0-23.0
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0.5
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-
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0.025
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(Ti+Cb)83(C+N) min,
0.80 max. Cu: 0.3-0.8
|
444
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0.025
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1.0
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0.04
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0.03
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1.0
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17.5-19.5
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1
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1.75-2.5
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(Ti+Cb)[0.20+4(C+N)]
min,0.80 max; Cu≤0.035
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447
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0.01
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0.3
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0.025
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0.02
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0.2
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28.0-30.0
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0.15
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3.5-4.2
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0.02
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(C+N) 0.025, Cu≤0.15
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