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439 stainless steel is an enhanced ferritic material based on the 430 grade, with reduced carbon content and added stabilizing elements like titanium. This formulation significantly improves intergranular corrosion resistance, formability, and weldability. While its elongation is approximately 30% (lower than 304 grade), it offers comparable strength and corrosion resistance, with superior performance compared to 200 series materials.
Chemical Composition
Country
Standard
Grade
C
Si
Mn
P
S
Cr
Ni
N
Ti
USA
ASTM
439
≤0.03
≤1.00
≤1.00
≤0.04
≤0.03
17.0-19.0
≤0.5
≤0.04
0.2+4(C+N)-1.10
Germany
DIN
1.4510
≤0.05
≤1.00
0.00
≤0.04
≤0.015
16.0-18.0
-
-
4(C+N)-0.80
Mechanical Properties
Standard
Tensile Strength (N/m)
Yield Strength (≤N/m)
Elongation (≥%)
Hardness (≤HV)
ASTM
≥415
205
22
180
Primary Applications
Elevator and escalator decoration panels
Architectural decorative panels and structural components
Automotive exhaust system components
Washing machine inner drums
Industrial Applications
Automotive exhaust systems
Catalytic converters
Mufflers and tailpipes
Farm equipment components
Structural supports and hangers
Transformer cases
Furnace components
Heat exchanger tubing
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...