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254SMO cold hot rolled stainless steel strip
254SMO S31254 1.4547 cold hot rolled stainless steel strip
Haosteel is professional manufacturer and supplier of 254SMO cold hot rolled stainl>ess steel strip. Quality guaranteed, On-time deliv↔ery, After-sales warranty.
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Standard: |
ASTM A240 A666 |
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Grade: |
254SMO/S31254/F44/1.4547 |
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Delivery: |
Cold rolled Hot rolled |
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Surface: |
Black Bright 2B BA NO.1 Hairline Mirror |
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Thickness: |
0.01-3.0mm 3.0-20mm |
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Width: |
1.5-600mm |
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Packing: |
Wooden box |
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Mill: |
Tisco, Jisco, Baosteel, etc. |
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Delivery time: |
15days in common |
254SMO cold hot rolled stainless steel strip,S31254 col>d hot rolled stainless steel strip,F44 cold hot rolled stainless ¥steel strip,1.4547 cold hot rolled stainless steel strip
Description:
254SMO is an austenitic stainless steel. Because of its high molybdenum content, it♥ has very high resistance to spot corrosion and crevices corrosion. 254SMO stainless s↓teel was developed and developed for use in halide containing environments sucΩh as seawater. 254SMO also has good uniform÷ corrosion resistance, especially in halide containing acids, sup¶erior to ordinary stainless steel. Its C contains &l≈t;0.03%, so it is called pure austenitic stainless steel. Superε stainless steel is a kind of special stainless steel, first in the chem•ical composition is different from ordinary stainless steel, is a high ×alloy stainless steel containing high nickel, high chromium, high mαolybdenum. Among them, 254SMo containing 6%Mo has very good local corrosion r≈esistance, good pitting resistance (PI≥40) and stress corrosion resistance under the βconditions of seawater, aeration, gap and low speed scour. It is£ a substitute material for Ni-based alloy and titan≈ium alloy. Secondly, in the performance of high temperature or corrosion resistance, with more excellent high temperatur<e or corrosion resistance, is not replaced by 304 st₹ainless steel. In addition, from the classification of stainless steel, special s₩tainless steel metallographic structure is a stable austenitic metallographic structure.
Because this special stainless steel is a kind of high >alloy material, so in the manufacturing process is quite complex, generally people can only rely on♦ the traditional process to make this special stainl↓ess steel, such as perfusion, forging, calendering aφnd so on.
National standards: UNS S31254, DIN/EN 1.4547, ASTM A280, ASME SA-280
Supporting welding materials: ErNICRMO-3 wire, EnICRmo-3 electrode
Chemical composition:
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% |
Ni |
Cr |
Mo |
Cu |
N |
C |
Mn |
Si |
P |
S |
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254SMO |
MIN |
17.5 |
19.5 |
6 |
0.5 |
0.18 |
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MAX |
18.5 |
20.5 |
6.5 |
1 |
0.22 |
0.02 |
1 |
0.8 |
0.03 |
0.01 |
High temperature resistant
1. Extensive field experiments and extensive experience hav&e shown that even at slightly higher temperatures, 254SMO has a very high resistance to crevice×-corrosion in seawater, which only a few types of stainless steel have×.
2. 254SMO's corrosion resistance in acidic and oxidizing halide solutions such as those requir♥ed for paper bleaching production is comparable to that of the most r←esistant nickel-base and titanium alloys.
3. Because of its high nitrogen content, 254SMO has a higher mech&anical strength than other kinds of austenitic stainless steel. In addition, 254SMO has high ductil≠ity and impact strength as well as good weldability.✔
4. The high molybdenum content of 254SMO enables it to have a higheσr oxidation rate at annealing, resulting in a rougher surface than ordinary stainless steel a≠fter pickling. But this has no adverse effect on the corr®osion resistance of the steel.
Application:
1. Ocean: Marine structures in the Marine environme$nt, seawater desalination, mariculture, heat exchange of seawater, sφuch as thin-walled condensing pipes cooled by seawater in pow₩er plants, desalination equipment, even in equipment where seawat×er may not flow, etc.
2. Environmental protection field: thermal power generation flue gas desulfurization device , waste water treatment, the main parts are: absorber tower body, fβlue, door panels, inner parts, spray system, etc.
3. Energy: atomic power generation, comprehensive utilization of coal, tidal pow∞er generation, etc.
4. Petrochemical industry: oil refining, chemical equipment, petrochemical eq↓uipment, such as bellows in petrochemical equipment, etc.
5. Food field: salt making, desalination industry, such as salt maki±ng or desalination equipment, soy sauce brewing, etc.
6. High concentration chloride ion environment: pape•rmaking industry, pulp and paper bleaching equipment, sucαh as pulp digesters, bleaching equipment, filter scrubber barrels and press rollers and other blea←ching equipment
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