Part Number WS 1.7103

Technical Data Sheet

Chemical Composition Limits
Weight % C Cr Mn Si S P Fe
67 SiCr5 0.67 0.60-0.80 0.40-0.60 0.90-1.10 0.010-0.035 0.035 max Rem
WS 1.7103 0.67 0.60-0.80 0.40-0.60 0.90-1.10 0.010-0.035 0.035 max Rem
AISI 9254 0.67 0.60-0.80 0.40-0.60 0.90-1.10 0.010-0.035 0.035 max Rem

67SiCr5 (AISI 9254)is a Spring Steel which is manufactured in Rod, Bar and coil.

67SiCr5 is available in:
Precision cold drawn, Ground polished pointed and chamfered ends above 4mm Ø Eddy-current tested above 5mm Ø bars.

Delivery Form
For automatic lathes of 3m (2m) lengths

Standard ISO h8

Tensile Strength
At delivery about 740 N/mm2

Heat Treatment
Hardening Temperature (Oil): (830-860 ºC max)
Obtainable hardness: 61 HRC
After Tempering: 40-60 BRC

Cutting Rate
About 20m/min depending on the lubrication oil, the cutting tools, shape of parts.

Stock Range
Every mm size and half-mm from Ø 3 to 22mm, other sizes available on request. For all stock and size availability contact Sales.

At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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