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| Mailing Address |
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UKF Stainless Ltd
12 Buntsford Park Road
Bromsgrove
Worcestershire
B60 3DX
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| Telephone / Fax |
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| Tel: |
01527 578686 |
| Fax: |
01527 837792 |
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| Email |
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 info@ukfstainless.co.uk |
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X12 CrNi 17 7
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Introduction:
All stainless steels will exhibit some increase of
yield strength, tensile strength and hardness when
cold worked by drawing, rolling, bending, etc. In
this steel, the increases are much greater. For example,
after 20% reduction:
| |
17Cr7Ni |
18Cr12Ni
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| Vickers Hardness |
390 |
280 |
| Tensile strength (MPa) |
2250 |
780 |
| Magnetic permeability |
20 |
1005 |
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17Cr7Ni is less suitable for deep drawing but pure
stretch formability may be improved as locally strained
regions harden to give transformation induced plasticity.
Corrosion resistance is similar to the 18Cr10Ni S304xx
types, but precautions are necessary to avoid sensitization
to corrosion resulting from chromium carbide precipitation,
eg. during welding.
Metallurgy:
The increased effects of cold working are due to austenite
instability causing some formation of martensite during
cold work. The development of martensite is reflected
in an increased magnetic response.
Composition:
| Element |
Minimum
(%) |
Maximum
(%) |
| Chromium |
16.00 |
18.00 |
| Nickel |
6.00 |
8.00 |
| Manganese |
- |
2.00 |
| Carbon |
- |
0.15 |
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Similiar Specifications:
EURONORM X12CrNi 17 7
16.0-18.0%Cr, 6.0-8.0%Ni,
<2.0%Mn, <0.15%C
ASTM UNS S30100 301
16-18%Cr, 6-8%Ni, <0.10%N, <2%Mn, <0.15%C
BS 301S21
16-18%Cr, 6-8%Ni, <2%Mn, <0.15%C
DIN/SEW X12CrNi 17 7 1.4310
16-18%Cr, 6-9%Ni, <0.8%Mo, <2%Mn, <0.12%C
JIS SUS 301
16-18%Cr, 6-8%Ni, <2%Mn, <0.15%C
Applications:
Railway carriage cladding,Sink unit drainers,Clips,
Springs for temperatures up to 300°C,
Automotive trim.
Product Forms:
Plate, Sheet and Strip
EURONORM X12CrNi 17 7 88-86/2
ASTM UNS S30100
301 167, 240, 480, 66
BS 301S21 1449/2
JIS SUS 301 4304, 4305, 4307
Bar and Long Products
EURONORM X12CrNi 17 7 88-86/1
JIS SUS 301 4303
Forgings and Others
EURONORM X12CrNi 17 7 88-86/1
Tube
ASTM UNS S30100
301 554
General
ISO 683/13 14
DIN/SEW X12CrNi 17 7 1.4310
SEW400
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Page Last Modified: 10/04/06 11:05
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