409 stainless steel, initially intended for automotive exhaust systems, is prized for its corrosion resistance. 409 and 409L stainless steel sheets offer affordability along with high corrosion resistance and weldability. With a lower chromium content, 409 stainless steel sheets mainly comprise iron, carbon, chromium, and titanium. The addition of titanium enhances corrosion resistance and weldability. On the other hand, 409L stainless steel sheets contain higher titanium and lower chromium content compared to 409, resulting in improved welding properties and corrosion resistance.
409 stainless steel: commonly used in automotive exhaust systems, combustion devices, and industrial pipelines due to its excellent high temperature resistance and corrosion resistance.
409L stainless steel: widely used in automotive exhaust treatment devices, building materials, and industrial equipment, especially in situations that require high corrosion resistance and welding performance.
409&409L Stainless Steel Sheets&Plates
409
C %
Si %
Mn %
P%
S%
Cr%
Ni%
ASTM
≤ 0.08
≤ 1.0
≤ 1.0
≤ 0.045
≤ 0.03
10.5-11.75
≤ 0.50
JIS
≤ 0.08
≤ 1.0
≤ 1.0
≤ 0.045
≤ 0.03
10.5-11.70
≤ 0.50
EN
≤ 0.08
≤ 1.0
≤ 1.0
≤ 0.045
≤ 0.03
10.5-12.50
≤ 0.50
GB
≤ 0.08
≤ 1.0
≤ 1.0
≤ 0.045
≤ 0.03
10.5-11.75
≤ 0.50
409L
C %
Si %
Mn %
P%
S%
Cr%
Ni%
N%
ASTM
≤ 0.03
≤ 1.0
≤ 1.0
≤ 0.040
≤ 0.03
10.5-11.75
—
—
JIS
≤ 0.03
≤ 1.0
≤ 1.0
≤ 0.040
≤ 0.03
10.5-11.70
—
—
EN
≤ 0.03
≤ 1.0
≤ 1.0
≤ 0.040
≤ 0.015
10.5-12.50
—
≤ 0.030
GB
≤ 0.03
≤ 1.0
≤ 1.0
≤ 0.040
≤ 0.03
10.5-11.75
—
—
Mechanical Properties of 409&409L Stainless Steel Sheets&Plates
Mechanical Properties
409 Stainless Steel
409 L Stainless Steel
T.S.(MPa)
≥415
≥170
Y.S.(MPa)
≥240
≥415
L.(%)
≥20
≥25
HB
≤88
≤170
HRB
≤89
≤88
HBW
≤180
≤183
Physical Properties of 409&409L Stainless Steel Sheets&Plates
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A: The products will be delivered ASAP on the basis of the quality assurance.Generally,samples order's delivery time is 5-10 days.Container orders are about 15-20 days.