Part Number WS 1.2516

Technical Data Sheet

Chemical Composition Limits
Weight % C Cr Mn V Si Tu Fe
SG-EXTRA 1.15-1.25 0.15-0.25 0.20-0.35 0.07-0.12 0.15-0.12 0.90-1.10 Rem
Other Chemically similar Specifications
Weight % C Cr Mn V Si Tu Fe
WS 1.2516 1.15-1.25 0.15-0.25 0.20-0.35 0.07-0.12 0.15-0.12 0.90-1.10 Rem
DIN 120WV4 1.15-1.25 0.15-0.25 0.20-0.35 0.07-0.12 0.15-0.12 0.90-1.10 Rem
AISI F1~ 1.15-1.25 0.15-0.25 0.20-0.35 0.07-0.12 0.15-0.12 0.90-1.10 Rem

Part Number WS 1.2516 is a hardenable silver steel. SG Extra material is Manufactured in Rod, Bar and coil (WS 1.2516 Silver Steel). For all stock and size availability contact Sales.

Material Features:
This product is a steel for tools and die making part. The high content of carbon grants a hardening to the core, even for bid diameters. It is a steel for upper class tools: The low content of sulphur will allow the welding of this material.

coils: Cold drawn + polished: 10-35kg/coil
Bars: Ø0-1.99mm: cold drawn and polished
Bars: Ø 2.00-40mm: cold drawn, ground and polished
Bar Lengths: 2m (3m) Surface roughness N5-N6

Tensile Strength
about 750 N/mm2

Standard tolerances
Diameter : h8
Out of Roundness/eccentricity: 1/2 of dia tolerance
Tolerance in length: +/-30mm

Heat treatment
Hardening water :790-810 ºC above dia 10mm
Oil: 810-830 ºC above dia 10mm
Max obtainable hardness 64-66 HRC

Cutting rate
10-20m/min (approximate value, depending on the lubrication oil, the cutting tools, the shape of parts.

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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