SS 904L Plate Stainless steel has excellent resistance to warm seawater and chloride attack. The high resistance of SS 904L Plate Stainless steel is against stress corrosion cracking and SS 904L Plate Stainless steel is due to the presence of high amounts of nickel in its composition.
SS 904L Plate Stainless steel Mechanical Properties
| Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness Rockwell B (HR B) | Hardness Brinell (HB) |
| 490 | 220 | 36 | 70-90 typical | 150 |
The addiction to heat cracks can be confined, if the weld metal features a lower content of ferrite (delta ferrite). Contents of ferrite up to 10% have a favourable effect and do not affect the corrosion resistance generally. The thinnest layer as possible have to be welded (stringer bead technique) because a higher cooling speed decreases the addiction to hot cracks. A preferably fast cooling has to be aspired while welding as well, to avoid the vulnerability to intergranular corrosion and embrittlement.
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