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Stainless Steel - Coupling Information
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For information on where you can buy couplings please see the Sourcing page or the links further down this page. No articles have been written yet for couplings stainless steel or associated products.
Information and best sources for all types of couplings and related products. Please use the contact forms provided on this site to submit corrections or new information that you feel may be useful. All information submitted should have some relationship to couplings and associated products.
This web site provides the answers to many common questions about precision couplings and related products such as shafting. Information provided relates to technical aspects such as precision and material composition as well as where you can purchase various types of couplings. Materials covered include plastics, stainless steel, chrome steel and aluminium. Information on this site is being updated regularly and we seek input from all users. Please use the contact forms provided to submit corrections and additional information. Useful information about couplings is available in the links below and to the right of this page. Where to purchase couplingsSmall Parts and BearingsAll types of couplings for small industrial and hobby applications. Shipping daily to USA, England, Asia and most worldwide destinations. www.smallparts.com.au Miniature Bearings Australia Wholesale couplings for small industrial and hobby applications. www.minibearings.com.au H.E. Supplies (Hobby Engineering) couplings and semi-precision rod for all types of small dynamic hobbies including remote control cars, boats, planes, helicopters and other models. www.hobbyparts.com.au More information on couplings |
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Composition of Various Materials used in coupling manufacture
The main component of these steels is Fe (Iron) with the addition of the elements shown in the following chart.
| Chrome Steel | ||||||||
| % Composition | C | Si | Mn | P | S | Ni | Cr | Mo |
| Grade SAE52100 (SUJ2, 100Cr6) | <0.95 ~ 1.10 | <0.15 ~ 0.35 | <0.501 | <0.026 | <0.026 | - | 1.30 ~ 1.60 | <0.081 |
| Austenitic Stainless | ||||||||
| % Composition | C | Si | Mn | P | S | Ni | Cr | Mo |
| Grade 303 (SUS303, 303S31, X8CrNiS189, 1.4305) | <0.101 | <1.001 | <2.001 | <0.046 | >0.15 | 8.00 ~ 10.00 | 17.00 ~ 19.00 | - |
| Grade 304 (SUS304, 304S16, XDCrNi189, 1.4301) | <0.081 | <1.001 | <2.001 | <0.046 | <0.031 | 8.00 ~ 10.50 | 18.00 ~ 20.00 | - |
| Grade 316 (SUS316, 306S16, X15CrNiMo1810. 1.4401) | <0.081 | <1.001 | <2.001 | <0.046 | <0.031 | 10.00 ~ 14.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 |
| Martensitic Stainless | ||||||||
| % Composition | C | Si | Mn | P | S | Ni | Cr | Mo |
| Grade 410 (SUS410, 410S21, X10Cr13, 1.4006) | <0.151 | <1.001 | <1.001 | <0.041 | <0.031 | <0.601 | 11.50 ~ 13.50 | - |
| Grade 416 (SUS416, 416S21, X12CrS13, 1.4005) | <0.151 | <1.001 | <1.251 | <0.041 | <0.031 | - | 12.00 ~ 14.00 | - |
| Grade 440C (SUS440C, AISI440C, X102CrMo17, 1.4125) | 0.95 ~ 1.2 | <1.001 | <1.001 | <0.041 | <0.031 | - | 16.00 ~ 18.00 | <0.751 |
| Ferritic Stainless | ||||||||
| % Composition | C | Si | Mn | P | S | Ni | Cr | Mo |
| Grade 430 (SUS430, 430S17, X8Cr17, 1.4016) | <0.121 | <0.751 | <1.001 | <0.041 | <0.031 | <0.601 | 16.00 ~ 18.00 | - |
- C - Carbon
- Si - Silicon
- Mn - Manganese
- P - Phosphorous
- S - Sulphur
- Ni - Nickel
- Cr - Chromium
- Mo - Molybdenum
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Site Summary:
couplings.com.au is your one stop resource for all types of information on couplings. The pages are administered by Miniature Bearings Australia and provide technical and sourcing information for all types of couplings including helical, rigid, flexible, large and small. Materials discussed include plastics, aluminium and stainless steel.
This site is not a point of sale. It is designed to provide information only and to hopefully point you in the right direction with your couplings enquiries. This may include links to Miniature Bearings Australia or it's distributors, and it may also include links to competitors sites.
User input is encouraged and forms are provided throughout the site to enable users to make corrections or provide additional data.
Online purchases of many types of couplings can be made through the Small Parts and Bearings online store which is linked directly to the Miniature Bearings Australia online catalogue. We also suggest that you may want to take a look at Shafting Information, Gearboxes Information and H.E. Supplies Hobby Parts.
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