TSING SHAN STEEL INDUSTRIAL LIMITED
TSING SHAN STEEL INDUSTRIAL LIMITED
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| Grade : | X3CrTi17 | ||||||
| Number: | 1.4510 | ||||||
| Classification: | Ferritic stainless steel | ||||||
| Density: | 7.7 g/cm ³ | ||||||
| Standard: |
|
UNS: S43900
EN-DIN: 1.4510
Printable PDF: 439 Stainless Steel Alloy Data Sheet
439 Oxidation resistance and corrosion resistance is superior to Type 409 in areas where temperatures may exceed the oxidation limit of Type 409 or where aqueous corrosion resistance, particularly to chlorides, is needed. Applications include: Tubular manifolds and other exhaust system with difficult to form exhaust components.
| Ti= [4 * (C+N) + 0.15] to 0.80 Stabilisation may be by use of titanium or niobium or zirconium. According to the atomic mass of these elements and the content of carbon and nitrogen, the equivalence shall be the following: Nb (% by mass)=Zr (% by mass) = 7/4 Ti (% by mass) Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. Particular ranges of sulphur content may provide improvement of particular properties. For machinability a controlled sulphur content of 0.015 % to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008 % to 0.030 % is recommended and permitted. For polishability, a controlled sulphur content of 0.015 % max is recommended. |
| C | Si | Mn | P | S | Cr | Ti |
| max 0.05 | max 1 | max 1 | max 0.04 | max 0.015 | 16 - 18 | 0.15 - 0.8 |
Density
0.278 lb./in³ / (7685 kg/m³)
Modulus of Elasticity (E)
28.4 x 10³ ksi / (193 x 10³MPa)
Electrical Resistivity
24.0 μ ohm.in / (60.0 μ ohm.cm)
ASTM A240
Typical mechanical properties are based on AK source, ASTM A240
Condition
Annealed
Tensile Strength (UTS)
66 ksi (455 MPa)
0.2% YS
43 ksi (296 MPa)
Elongation% in 2” (50.8 mm)
32%
Hardness Rockwell
74 HRBW
