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Special Alloy

SS R4

The high quality Sweden SS R4 material is one of the more steel grades we supply, Carbide for cutting tools. R4 is our main production grade, which has been approved by customers in many countries since its initial production, including our R4 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of R4 materials, and we are willing to develop together with customers from all over the world.

Also includes R4 steel material norm, chemical composition, mechanical properties, datasheet, R4 equivalent, heat treatment and temperature process of R4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in R4 this steel grade have a more comprehensive understanding, Download the full R4 PDF version of this datasheet.

2015-08-10 15:50:21 Print this page

Chemical composition (wt.%)

Co(%)
12.5

Mechanical Properties

Rp0.2 (MPa) Rm (MPa) Impact
KV (J)
Elongation
A (%)
A Z (%) Delivery Hardness HB
496 (≥) 171 (≥) 31 12 44 Solution & Aging, Ann, Ausaging, Q+T 412

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R4