Precipitation-hardening stainless steels

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Precipitation-hardening Stainless Steel – Properties, Grades & Manufacturing

What is Precipitation-hardening Stainless Steel


Precipitation-hardening Stainless Steel: it can be strengthened by a relatively low-temperature heat treatment. They can be heat-treated to strengths greater than can the martensitic grades.


There are more than 200 different grades of stainless steel. but there are five families of stainless steel: Austenitic Stainless Steel, Ferritic Stainless Steel, Martensitic Stainless Steel, Duplex Stainless Steel, and Precipitation-hardening Stainless Steel.

Some Typical Precipitation-harderning Stainless Steel

  • CB7Cu-1 (17-4PH)
  • CB7Cu-2 (15-5PH)
  • PH13-8Mo

Casting Methods for Precipitation-hardening Stainless Steel

Different casting methods are selected based on part size, weight, tolerance and production volume.

Popular process with low tooling cost.
Unique choice for big castings

Best for small and high-precision components

Centrifugal Casting

Suitable for pipe/tube, round flange, sleeve etc.

Not Sure Which Casting Process Fits Your Project?

The process for Austenitic Stainless Steel castings will be chosen by steel grade, design and quantity. As a professional supplier in the metal casting industry, we have over 15 years of experience in OEM manufacturing. Our engineers will recommend the most suitable process, material, and cost solution within 24–48 hours.

Key Properties of Precipitation-hardening Stainless Steel

High Hardness

Max hardness to 375HB (49HRC) after heat treatment

high Strength

it can get very high yield and tensile strength.

Good Corrosion Property

Similar corrosion resistance as SS304

Most stainless steel casting grades comparison across international standards including GB, ASTM, DIN, JIS, and ISO.

Index China Japanese USA Russia Germany Italy France England India Spanish Mexico Australia Sweden Bulgaria Taiwan
(GB) (JIS) ASTM UNS (TOCT) DIN W-Nr. (UNI) (NF) (BS) (IS) (UNE) (DGN) (AS) (SS14) (BDS) (CNS)
1ZG1Cr13SCS1CA-15J9115015X13ЛG-X7Cr13
G-X10Cr13
1.4001
1.4006
GX12Cr13Z12C13M410C21———H3A23021Ch13SCS1
2ZG2Cr13SCS2CA-40J9115320X13ЛG-X20Cr141.4027GX30Cr13Z20C13M420C297typel—CA-40———SCS2
3ZG1Cr17∽SCS24——12X17∽X8Cr181.4015—————————∽SCS24
4ZGCr28————G-X70Cr29
G-X120Cr29
1.4085
1.4086
—Z130C29M452C11————2320——
5ZG00Cr18Ni10SCS19CF-3J9250003X18H11G-X2CrNi18 91.4306GX2CrNi19 10Z2CN18.10M304C12—AM-X2CrNi19 10———000Ch18N11SCS19
6ZG0Cr18Ni9SCS13CF-8J9260007X18H9ЛG-X6CrNi18 91.4308—Z6CN18.10M
Z6CN19.9M
304C15—AM-X7CrNi20 10CF-8H5A23520Ch18N9LSCS13
7ZG1Cr18Ni9SCS12
SCS13A
——10X18H9ЛG-X10CrNi18 81.4312—Z10CN18.9M302C25————2333—SCS12
SCS13A
8ZG0Cr18Ni9TiSCS21CF-8CJ9271008X18H9TG-X5CrNiNb18 91.4552—Z4CNNb19.10M347C17—AM-X7CrNi20 10CF-8C——0Ch18N9LSCS21
9ZG1Cr18Ni9Ti———12X18H9T————————————
10ZG0Cr18Ni12Mo2Ti—CF-8MJ92900———GX6GrNiMo20 11———AM-X7CrNiMo20 10CF-8MH6C—0Ch18N10M2L—
11ZG1Cr18Ni12Mo2TiSCS22———G-X5CrNiMoNb18 101.4581—Z4CNDNb18.12-M318C18————2343—SCS22
12—SCS14CN-7MJ95150—G-X12Cr141.4008—Z12CN13-M316C16——CN-7M———SCS14
13—SCS5
SCS6
———G-X5CrNi13 41.4313—Z4CND13.4-M425C11——————SCS5
SCS6
14——CF-3
CF-3M
J92700
J92800
—G-X2CrNiMo18 101.4404GX2CrNi19 10Z2CND18.12-M
Z3CND19.10-M
——AM-X2CrNiMo19 11CF-3M—2385000Ch17N14M2—
15——CA-15J91150—G-X5NiCrMo13 41.4407GX12Cr13Z6CND13.04-M405C29————2348——
16———J92810—G-X6CrNiMo18 121.4437—Z4CND19.13-M————————
17——CG-8MJ93000—G-X6CrNiMo17 131.4448GX6CrNiMo20 11 03—317C16—AM-X7CrNiMo20 11CG-8MH6A2353——
18—SCS14A———G-X10CrNiMo18 81.441—Z5CND20.10-M———————SCS14A
19ZG5Cr25Ni2SCH2HCJ92605—G-X40CrNi24 5
G-X40CrNiSi27 4
1.4822
1.4823
GX35Cr28—452C11—AM-X40Cr28HC——4Ch26SLSCH2
20ZG3Cr18Ni25Si2SCH19HNJ94213—————3X18H25C211—HN———SCH19
21ZG1Cr25Ni20Si2SCH21HK-30J9420315X23H18ЛG-X15CrNiSi25 201.484GX40CrNi26 20——10AM-X40CrNi25 20————SCH21
22ZG4Cr25Ni20Si2SCH22HK
HK-40
J94224
J94204
—G-X40CrNiSi25 201.4848GX40CrNi26 20—310C40
310C45
11AM-X40CrNi25 20HKH8E2——SCH22
23—SCH13A
SCH17
HHJ9350340X24H12CЛG-X40CrNiSi25 211.4837GX35CrNi25 12—309C307tgpel—HHH8B——SCH13A
SCH17
24ZG4Cr25Ni35Si2SCH24HPJ95705—G-X45CrNiSi35 251.4857GX50NiCr35 25————HP———SCH24
25—SCH16
SCH15
HTJ94605—G-X40CrNiSi38 181.4865GX50NiCr39 19——12—————SCH16
SCH15
26—SCH1
SCH3
CA-40J91153—G-X40Cr131.4034GX35Cr13Z30C13-M
Z28C13-M
—————2183—SCH1
SCH3

Aerospace and space industry: Used in aircraft landing gear, engine components, fuselage structural parts, and fasteners, where high temperature resistance and high strength are required.

Oil and gas industry: Used for valves, pump shafts, mechanical seals, pressure vessels, and fasteners on offshore drilling platforms, taking advantage of its excellent resistance to stress corrosion cracking.

Nuclear and power generation industry: Used in nuclear reactor components, turbine blades, and critical structural parts.

Medical devices: Used in surgical instruments and medical device components due to its high strength and good corrosion resistance.

Pulp and chemical industries: Used in pumps, valves, and agitators handling corrosive media such as chlorides.

Some castings with Stainless Steel Material:

  • Stainless Steel Casting-Cap

    Stainless Steel Casting-Cap

  • Austenitic Stainless Steel Casting

    Austenitic Stainless Steel Casting

  • Stainless Steel Pump Head

    Stainless Steel Pump Head

  • Pump Suction Cover Casting

    Pump Suction Cover Casting

  • Stainless Steel Adapter Casting

    Stainless Steel Adapter Casting

  • Pump Casting-Body

    Pump Casting-Body

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