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- API 5CT N80 casing and tubing pipe
- API 5CT K55 casing and tubing pipe
- API 5CT J55 casing and tubing pipe
- EN10028-2 16Mo3 Boiler and Pressure Vessel steel Plate Notch impact energy
- EN10028-2 P265GH Pressure vessels steel equivalents
- EN 10210 S355J2H low alloy carbon structural steel
- EN 10210 S355J0H steel hollow materials
- GB/T 18248 34CrMo4
- GB/T 18248 35CrMo alloy steel
- 30CrMo steel Heat treatment, 30CrMo steel tube/pipe
ASTM A240 Martensitic 409 Stainless Steel Possible Alternative Grades
409 Stainless Steel combines good elevated temperature corrosion resistance with medium strength, good formability, and overall cost. ASTM A240 Martensitic 409is commonly considered as a chromium stainless steel, with applications in exhaust systems of automobiles and applications that demand weld ability.
Key Properties of 409 Stainless Steel
ASTM A240 Martensitic 409 properties given below relate to annealed tubing of ASTM A268. The specified properties may not be similar to other products such as bar and coil.
Composition ranges of grade 409 stainless steels
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Ti |
|
|
409 |
min. |
- |
- |
- |
- |
- |
10.5 |
- |
6x C |
Mechanical properties of grade 409 stainless steels
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
409 |
450 |
240 |
25 |
75 |
131 |
ASTM A240 Martensitic 409 Corrosion Resistance
Grade 409 stainless steels have excellent resistance to exhaust gas and atmospheric corrosion。 The surface of grade 409 steels is liable to mild corrosion, which limits the usage of steels for decorative purposes.
409 Steel Application
409 Stainless Steel has been successfully used in Automotive exhaust systems, Catalytic converters, Mufflers, Tailpipes, Farm equipment, Structural support and hangers, Transformer cases, Furnace components, Heat exchanger tubing
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