15N20 Nickel Alloy Steel 1.47 x 38 x 1220mm

15N20 Nickel Alloy Steel 1.47 x 38 x 1220mm

$45.00

15N20 Nickel Alloy Steel 1.47 x 38 x 1220 mm.

Availability: Out of stock SKU: 15N20-058-1.5-48

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Description

15N20 Nickel Alloy Steel 1.47 x 38 x 1220 mm. This is a simple carbon steel also containing 2% Nickel. Its primary use by bladesmiths, gunsmiths and other manufacturers of “Damascus” pattern welded steel is to provide a contrasting layer when forge welded to simple carbon steels. It can also be used like 1075 or 1084 as a cutlery steel in its own right. Unlike most 15N20 that is supplied hardened to 40-50 HRC, this 15N20 is annealed soft to below 20 HRC.

 

15N20 Recommended Working Sequence

Forging: 1175°C. Do not forge below 815°C

Normalizing: Heat to 870°C. Cool to black in still air. Follow up with further refinement cycles at descending temperatures.

Annealing: Heat to 815°C. Furnace cool to 650°C at a rate not exceeding 28°C per hour.

Grinding or Machining

Hardening: Austenitize at 815°C. Quench in Houghton’s G-Quench or equivalent medium speed oil.

Tempering: As-quenched hardness of approximately 65 HRC, recommend tempering at 200°C for 2 hours, twice.

steel over 1metre cannot be sent to a PO box

Additional information

Weight 0.55 kg
Dimensions 122 × 3.8 × 0.147 cm

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