MIM 17-4PH Water/Gas Atomized Powders

Main Type of 17-4PH MIM powder

PSD refers to Malvern Mastersize 3000 Analysis

Type

Size,μm

D10，μm

D50，μm

D90，μm

Oxygen content

Tap density,
g/cm³

Note

Water atomized

WFP-7

<3.2

7~8.5

<21

<4000ppm

4.3~4.7

Suitable for high gloss surface polishing

WFP-9

<3.5

8.5~10

<24

<4000ppm

4.3~4.7

Gas atomized

GFP-12

<4.5

11.5~13

<28

<1300ppm

4.7~5.2

Suitable for high gloss surface polishing

High gloss surfaceapplication of the super fine water atomized 17-4PH WFP-7 material (examples)

PSD refers to Malvern Mastersize 3000 Analysis

Product	Sintered atmosphere	Sintered Temp. range	Sintered density, g/cm³	Void ratio,%	Void dimension range	void > 10μm
17-4PH WFP-7	Hydrogen 1atm	1320~1350℃/1h	7.65~7.72	1.5~3.5	<6μm	seldom
	Argon 20KPa	1250~1280℃/1h	~7.75	1~2.5	<6μm	seldom
	Nitrogen 1atm	1320~1340℃/1h	~7.68	1.5~3.5	<6μm	seldom
	Nitrogen 80KPa	1220~1280℃/1h	~7.75	1~2.5	<6μm	seldom

Features of water atomized 17-4PH WFP-7

SEM of WFP-7 17-4PH Micro void distribution in the matrix sintered in H_{2 atmosphere Aspect of surface polished component, sintered in}H_{2 atmosphere and about 55*22mm in dimension.}