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Lork Group specializes in the supply of AM-350 Bar raw materials and processing, alloys, stainless steel, metal quality development, welcome your inquiries
Alloy 350 is a chromium-nickel-molybdenum stainless steel which can be hardnened by martensitic transformation and/or precipitation hardening. It has been used for gas turbine compressor components such as blades,discs,rotors,and shafts,and similar parts where high strength was required at room and intermediate temperatures. Depending upon the heat treatment,alloy 350 may have an austenitic structure for best formability,or a martensitic structure with strengths comparable to those of martensitic steels. The alloy normally contains about 5 to 10% delta ferrite. The corrosion resistance of alloy 350 approaches that of the chromium-nickel austenitic stainless steel
Stainless Steel AM-350 Applications
| % | Carbon | Nickel | Molybdenum | Chromium | Nitrogen | Manganese | Silicon | Sulfur |
| Min | 0.07 | 4.00 | 2.50 | 16.00 | 0.07 | 0.50 | ||
| Max | 0.11 | 5.00 | 3.25 | 17.00 | 0.13 | 1.25 | 0.05 | 0.03 |
| Metric | Typical | |
| Yield Strength 0.2%, ksi | 1030MPa | 149000psi |
| Tensile Strength, ksi | 1274MPa | 184900psi |
| Elongation, % | 25 min | 30 |
| Hardness RC | ≥42 | ≥42 |
Hot working
Alloy 350 is readily hot worked. It is worked from a maximum temperature of 2150 °F(1177 °C). The use of temperature above 2150 °F will cause an increase in the amount of ferrite. Finishing temperature should be in the range of 1700/1800 °F(927/982 °C) to prevent grain coarsening on subsequent heat treatment and promote homogenous precipitation of carbides.
Cold working
In the annealed condition, alloy 350 is essentially austenitic and has forming characteristics similar to those of the AISI 300 series stainless steels. It has a higher rate of work hardening and cold forming will cause martensite formation in proportion to the amount of deformation. If capacity is limited or deformation is severe, heating the material to 300 °F(149 °C) or above will minimize work hardening. In the hardened condition, alloy 350 has sufficient ductility for limited forming or straightening operations .
Machining
Succesfully maching alloy 350 requires the same pratices used for other stainless steels, such as rigid tool and work suports, slower speeds, positive cuts, absence of dwelling or glazing, and adequate coolant. In the annealed condition, the alloy is soft and gummy and has a high work-hardening rate. Machining alloy 350 in the annealed condition is consequently not recommended. Best machinability is obtained in the equalized and overtempered condition. Finishing operations may be performed in this condition if proper allowances are made for growth during subsequent hardening treatments. If extreme dimensional accuracy is necessary, finish machining should be done in the hardened condition.
Available Sizes And Specifications
| AM-350 stainless steel profile sizes and specifications | |
| Grade | AM-350 |
| Stainless steel seamless pipe | Outside diameter: 4.0 - 1219mm, Thickness: 0.5 -100mm,Length: 24000mm |
| Stainless steel welded pipe | Outside diameter: 6.0 - 2800mm, Thickness: 0.3 -45mm,Length: 18000mm |
| Stainless steel capillary pipe | Outside diameter: 0.4 - 16.0mm, Thickness: 0.1 -2.0mm,Length: 18000mm |
| Stainless steel welded sanitary pipe | Outside diameter:8.0- 850mm, Thickness: 1.0 -6.0mm |
| Stainless steel seamless sanitary pipe | Outside diameter: 6.0- 219mm, Thickness: 1.0 -6.0mm |
| Stainless steel square pipe | Side Length: 4*4 - 300*300mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel rectangular pipe | Side Length: 4*6 - 200*400mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel coil pipe | Outside diameter: 0.4 - 16mm, Thickness: 0.1 - 2.11mm |
| Standard | American Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213 ASTM A511 ASTM A789, ASTM A790, ASTM A376, ASME SA335, B161, SB163, SB338, SB667/668 Germany Standard: DIN2462.1-1981, DIN17456-85, DIN17458-85· European Standard: EN10216-5, EN10216-2 Japanese Standard: JIS G3463-2006, JISG3459-2012 Russian Standard: GOST 9941-81 |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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