15N20 Nickel Alloy Steel 2.5 x 400 x 900mm

$199.00

15n20 nickel alloy carbon steel 2.5 x 400 x 900mm

Availability: In stock SKU: 15N20-2.5-400-900
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Description

15N20 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.

Recommended Working Sequence For 15N20

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.

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Additional information

Weight 9 kg
Dimensions 95 × 43 × 3 cm

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