Spring material. Corrosion resistant, Fatigue resistant
Spring material. Corrosion resistant, Fatigue resistant
(OP)
I need to find an ideal spring material.
Cost is not an issue, so it may be an exotic.
The material must not be poisonous, e.g. no Berylium Bronze. This material would ideally have a Finite fatigue limit (Endurance limit), or at least a high strength up to 10^7 cycles minimum. The product is Musical instrument free reeds. Fatigue makes them go flat. Many instruments have many of them. Harmonica players breath through them.
Any suggestions of materials, and where I might find S-N curves for them appreciated.
Dave Fowler B.E.(Mech)UNSW Australia
Cost is not an issue, so it may be an exotic.
The material must not be poisonous, e.g. no Berylium Bronze. This material would ideally have a Finite fatigue limit (Endurance limit), or at least a high strength up to 10^7 cycles minimum. The product is Musical instrument free reeds. Fatigue makes them go flat. Many instruments have many of them. Harmonica players breath through them.
Any suggestions of materials, and where I might find S-N curves for them appreciated.
Dave Fowler B.E.(Mech)UNSW Australia





RE: Spring material. Corrosion resistant, Fatigue resistant
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Spring material. Corrosion resistant, Fatigue resistant
Somers Thin Strip, part of Olin Brass, is a supplier of cold-rolled stainless steel spring materials. Check out the properties for Spring and Special Spring temper material:
http://www.olinbrass.com/stainlessdag.html
Other producers of high quality, high strength stainless steel strip include Sandvik and Hitachi. You can obtain more information from their websites:
Sandvik
http://www.steel.sandvik.com/
click on Strip Steel
Hitachi
http://www.hitachimetals.com/products/specialtysteel/
RE: Spring material. Corrosion resistant, Fatigue resistant
RE: Spring material. Corrosion resistant, Fatigue resistant
I know the ceramic field very well, if you need more info. How many of these do you need?
RE: Spring material. Corrosion resistant, Fatigue resistant
We are using the material 51420 St. Steel and our application also requires fatigue and corrosion resistance. We are producing components for artificial lims.
Pls find a list of sp.material & astm list
Hope the info is satisfactory...
Ozan
Spring Material ASTM Reference
Music Wire ASTM A228 (0.80%-0.95% carbon)
Oil-Tempered MB Grade ASTM A229 (0.60%-0.70% carbon)
Oil-Tempered HB Grade SAE 1080 (0.75%-0.85% carbon)
Hard-Drawn MB Grade ASTM A227 (0.60%-0.70% carbon)
Cold-Rolled Spring Steel, Blue-Tempered or Annealed SAE 1074, 1064, 1070 (0.60%-0.80% carbon)
Cold-Rolled Spring Steel, Blue-Tempered Clock Steel SAE 1095 (0.90%-1.05% carbon)
Chromium Vanadium ASTM A231
Chromium Silicon ASTM A401
Stainless Type 302 ASTM A313 (18% chromium, 8% nickel)
Stainless Type 304 ASTM A313 (18% chromium, 8% nickel)
Stainless Type 316 ASTM A313 (18% chromium, 12% nickel, 2% molybdenum)
Stainless Type 17-7 ASTM A313 (17% chromium, 7% nickel)
Stainless Type 414 SAE 51414 (12% chromium, 2% nickel)
Stainless Type 420 SAE 51420 (13% chromium)
Stainless Type 431 SAE 51431 (13% chromium)
Spring Brass ASTM B134 (70% copper, 30% zinc)
Phosphor Bronze ASTM B159 (95% copper, 5% tin)
Beryllium Copper ASTM B197 (98% copper, 2% beryllium)
http://content.engineering.com/engineering/templates/article/0,1016,BC936B498834A4409CEFD7C703CF6349-2D27B2F55D2B7B42ABC22FF8B2616241-34D7FEEA970E6B4591F25E6CBED16854-,00.html