GSF Steel

GSF Steel

Steel name: GSF
Diagram No.: 2046
Chemical composition in weight %: 0.28% C, 0.30% Si, 0.70% Mn, 2.80% Cr, 0.60% Mo, 1.00% Ni, 0.40% V
Steel group: Hot work tool steels
Properties: GSF is an innovative high-performance NiCrMoV alloy steel that was designed for dies, which are used under forging hammers, or for large-scale dies. GSF represents an advancement of the 55NiCrMoV7 standard steel (1.2714) and is distinguished by improved toughness, heat resistance and weldability.
Applications: Hammer forging dies in steel forming, specifically for deep contours prone to cracking. Press dies where high toughness and good heat resistance is required (e.g dies for medium sized or larger hydraulic presses). Calibration and deburring dies for forging presses. Hammers and press saddles, hammer heads, jaws in forging machines. Roughing rolls (forging rolls). Dies for the extrusion industry including mandrel holders, die holders, press columns, piston rods, return plungers, nuts. Piercers and piercing sleeves for production of seamless steel bottles. Rolling mandrels and tapered rolls in the rolling technology sector. Die holders and armoring with strengths of up to 1450 MPa. Shafts and heavy-duty machine components with yield points of 750 > MPa.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Hardening 920-940 °C in oil, polymer or vacuum hardening cooling must be interrupted at 150-180 °C.
Tempering: 400-650 °C as needed, see tempering illustration. Usually GSF comes tempered with a hardness of 38-44 HRC.
Diagram note: Tempering diagram, sample size dia 60 mm, 930 C.

Tempering Diagram

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Other Steel Data links
Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Diagrams of Steels
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

Disclaimer: The material data is a central depository of information based on global actual tests and calculated software data that is available to the public for a fee. The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.