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              You are here: Home » Products » Series » PH Stainless Steel » 17-4PH
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              17-4PH

              1.Technology:Hot rolled,Cold Draw,Forging
              2.Surface:Black,Bright(Peeling,Turning,Grinding,Polished)
              3.Trade Terms:FOB, CIF, C&F, EXW, etc.

              Quantity:

              • 17-4PH/S17400/630/1.4542/SUS630
              • RONSCO
              • 17-4PH

              17-4 Precipitation-Hardening Stainless Steel


              Material Performance

              17-4PH stainless steel is a magnetic precipitation hardening--martensitic stainless steel with special metallic elements copper and niobium.17-4PH stainless steel is the most widely used material of all the precipitation-hardening stainless steels.


              After heat treatment, the mechanical properties will be more perfect, and the tensile strength can reach the compressive strength of 1100-1300 Mpa (160-190 ksi). This grade cannot be used above 300°C (572°F) or very low temperature (impact AKV -60°C≥45J).It has good corrosion resistance to the atmosphere diluted acid and salt, just same as 304 and 430.

               

              Features:High hardness, good toughness, good wear resistance, good corrosion resistance, good attenuation performance, strong anti-fatigue and anti-dropping performance.

               

              Its valuable combination of properties gives designers opportunities to add reliability to their products while simplifying fabrication and often reducing costs.


              Material Standards

              GB/T1220-1992
              GB/T1220-2007
              GB/GB/T20878-2007

              0Cr17Ni4Cu4Nb
              05Cr17Ni4Cu4Nb

              AISI

              630

              ASTM-A564

              UNS

              S17400

              ASTM

              17-4PH

              JIS G4303-2005

              SUS630

              DIN

              X5CrNiCU17-04

              RCCM M5110M5120

              X6CrNiCu17-04

              EN-10088-3 2005

              1.4542

               

              Forms

              Standards

              Bar,Profiles 

              ASTM-A564,ASTM-A484

              Forging

              AMS 5643,ASTM-A705,ASTM-A484

              Plate,Strip

              ASTM-A693


              Composition Comparison

              Standard

              Grade

              C

              Si

              Mn

              P

              S

              Ni

              Cr

              Cu

              Nb

              Mo

              GB/1220-1992

              0Cr17Ni4

              Cu4Nb

              0.07

              1.0

              1.0

              0.035

              0.03

              3.0-5.0

              15.5-17.50

              3.0-5.0

              0.15-0.45

              /

              GB/T1220-2007

              05Cr17Ni4

              Cu4Nb

              0.07

              1.0

              1.0

              0.040

              0.03

              3.0-5.0

              15.0-17.50

              3.0-5.0

              0.15-0.45

              /

              ASTM

              A564

              630/17-4PH

              0.07

              1.0

              1.0

              0.040

              0.03

              3.0-5.0

              15.0-17.50

              3.0-5.0

              0.15-0.45

              /

              EN1088-3

              1.4542

              0.07

              0.7

              1.5

              0.040

              0.03

              3.0-5.0

              15.0-17.50

              3.0-5.0

              0.15-0.45

              0.60

              RCCM

              5110/5120

              X6CrNiCu

              17-04

              0.07

              1.0

              1.0

              0.025

              0.02

              3.0-5.0

              15.5-17.50

              3.0-5.0

              0.15-0.45

              /

              JIS G4303-2005

              SUS630

              0.07

              1.0

              1.0

              0.040

              0.03

              3.0-5.0

              15.0-17.50

              3.0-5.0

              0.15-0.45

              /

              AMS

              5643

              0.07

              1.0

              1.0

              0.040

              0.03

              3.0-5.0

              15.0-17.50

              3.0-5.0

              5×C-0.45 

              0.5

              REMARK:The content of P can be customized.(p≤0.025,p≤0.03)


              Heat treatment and Mechanical Properties

              Type 17–4 PH steel is hardened by heating solution-treated material, condition A, to between 900/oF (480oC) and 1150oF (620oC) for one to four hours, depending upon the temperature, then air cooling.

              As supplied 17-4PH, is usually in the solution treated condition, (Condition A). It can be heat treated at different temperatures to off a wide range of properties.

               

              Type of Cooling

              1.Solid Solution:Water Cooling/Air Cooling

              2.Aging Treatment:Air Cooling

               

               

               

              Grade

              Condition

              Heat Treatment

               Tensile Test

              Hardness Test

              Impulse

               Test

              Yield 

              Strength

              Tensile Strength

              Elongation

              Fracture Surface

              Shrinkage

              Brinell Hardness 

              RockwellHardness

              Test 

              Temperature
              (Indoor)

              σ0.2/MPa

              σb/MPa

              δ5(%)

              ψ(%)

              HBS

              HRC

              AKV

              17-4PH
              (ASTM-

              A564)

              A

              Solid Solution

              10201060℃

              Rapid Cool

              ≤363

              ≤38

              /

              H900

              480℃ Aging

              After Solid Solution,470490℃ Air Cool

              ≥1180

              ≥1310

              ≥10

              ≥40

              ≥375

              ≥40

              /

              H925

              495℃ Aging

              After Solid Solution,470490℃ Air Cool

              ≥1070

              ≥1170

              ≥10

              ≥38

              ≥375

              ≥40

              ≥6.8

              H1025

              550℃ Aging

              After Solid Solution,540560℃ Air Cool

              ≥1000

              ≥1070

              ≥12

              ≥45

              ≥331

              ≥35

              ≥20

              H1075

              580℃ Aging

              After Solid Solution,570590℃ Air Cool

              ≥865

              ≥1000

              ≥13

              ≥45

              ≥302

              ≥31

              ≥27

              H1100

              595℃ Aging

              After Solid Solution,570590℃ Air Cool

              ≥795

              ≥965

              ≥14

              ≥45

              ≥302

              ≥31

              ≥34

              H1150

              620℃ Aging

              After Solid Solution,610630℃ Air Cool

              ≥725

              ≥930

              ≥16

              ≥50

              ≥277

              ≥28

              ≥41

              H1150M

              620℃ Aging

              After Solid Solution,610630℃ Air Cool

              ≥520

              ≥795

              ≥18

              ≥55

              ≥255

              ≥24

              ≥75

              H1150D

              620℃ Aging

              After Solid Solution,610630℃ Air Cool

              ≥725

              ≥860

              ≥16

              ≥50

              ≥255

              ≥24

              ≥41


              Delivery Condition

              1.Solid Solution/Annealing

              Heat at 1900oF (1040oC) for 30 minutes and cool to below 90oF (32oC) to allow complete

              transformation to martensite. Sections less than 3’’ may be quenched in a suitable liquid while those sections over 3’’ should be rapidly air cooled. Parts should not be used in the solution – treated condition due to possible problems with stress corrosion cracking.

               

              2.Solid Solution+Aging Treatment(Customized according to customer requirements)

              For condition H900 heat solution-treated material at 900oF (480oC) for 1 hour and air cool.

              For conditions H925, H1025, H1075, H1100, H1150: heat solution-treated material at appropriate temperature ± 15oF (± 8oC) for 4 hours and air cool.


              Processing Equipment

              20 tons complete electric arc furnace,AOD refining,LF refining,VD vacuum smelting equipment, 1.5 tons and 5 tons ESR equipment,5 tons and 10 tons forging hammers,7.5 meters and 9 meters chamber annealing furnaces,straightening machines , peeling machine, grinding machine, polishing machine, lathe and other production&processing equipment ,etc.

               

              Testing Equipment

              Direct reading spectrometer, hardness tensile and impact testing machine, ultrasonic nondestructive flaw detector,metallurgical microscope,etc.

               

              All the following can be tested:inclusions, retained austenite, grain size, low temperature impact (AKV -30°C ≥ 45J, AKV -45°C ≥ 45J, AKV -60°C ≥ 45J, etc.), flaw detection,ultrasonic testing, penetrant testing and other high grades required test.


              Advantage

              1. Different smelting methods:

              EAF+AOD+LF, EAF+AOD+LF+ESR, EAF+AOD+LF+IESR, EAF+AOD+VAR, VIM+VAR.

              2. Better cooling: cooling in water to keep the material organization even and stability. Most of suppliers cool in air.

              3. All polish bar will be ultrosonic tested or dye-penetrant tested for free before shipment.

              4. Impact test can be down as per different industrial requirement: AKV-60℃≥45J、-40℃≥45J、-30℃≥45J、-20℃≥60J、0℃≥60J)

              5. Heat Treatment: Solid solution or Solid solution + Aging.

              6. Customization: American standard, Japanese standard, European standard and other standards can be customized.

              7. Stock: Stock for round bar Ф6-Ф400 is complete.

              8. Ferrite content can be controlled as customized(≤1%, ≤3%, ≤5%).

              9. Grain size can be ≥6;Inclusions content A,B,C,D,DS can be ≤10.


              Diameter Tolerance of Grinding Bar

              ISO Tolerance Standards

              Diametermm

              Tolerance Grades

              Grade 6

              Grade 7

              Grade 8

              Grade 9

              Grade 10

              Grade 11

              Grade 12

              Grade 13

              H6

              H7

              H8

              H9

              H10

              H11

              H12

              H13

              Max 3.0

              0
              -0.006

              0
              -0.010

              0
              -0.014

              0
              -0.025

              0
              -0.040

              0
              -0.060

              0
              -0.1

              0
              -0.14

              Ф3.0-Ф6.0

              0
              -0.008

              0
              -0.012

              0
              -0.018

              0
              -0.030

              0
              -0.048

              0
              -0.075

              0
              -0.12

              0
              -0.18

              Ф6.0-Ф10.0

              0
              -0.009

              0
              -0.015

              0
              -0.022

              0
              -0.036

              0
              -0.058

              0
              -0.090

              0
              -0.15

              0
              -0.22

              Ф10.0-Ф18.0

              0
              -0.011

              0
              -0.018

              0
              -0.027

              0
              -0.043

              0
              -0.070

              0
              -0.11

              0
              -0.18

              0
              -0.27

              Ф18.0-Ф30.0

              0
              -0.013

              0
              -0.021

              0
              -0.033

              0
              -0.052

              0
              -0.084

              0
              -0.13

              0
              -0.21

              0
              -0.30

              Ф30.0-Ф50.0

              0
              -0.016

              0
              -0.025

              0
              -0.039

              0
              -0.062

              0
              -0.1

              0
              -0.16

              0
              -0.25

              0
              -0.39

               

              Application Area

              1.Petroleum&petrochemical industry

              Valve stem, Ball valve core, Offshore drilling platform, Drilling equipment, Pump shaft,etc.

              2. Sensors:

              Scales, Robots, Airbags, etc.

              3. Medical equipment:

              Surgical forceps; Orthodontic appliances,etc.

              4. Nuclear power:

              Gas turbine blades, Steam Turbine Blades,Compressor blades, Nuclear waste barrels,etc.

              5.Mechanical equipment:

              Shaft parts of hydraulic machinery, Shaft parts of air blowers, Hydraulic cylinders, Container shaft parts, etc

              6.Textile Machinery:

              Spinneret,etc.

              7. Fasteners:

              Bolts, Nuts,etc

              8.Sports equipment:

              Golf head, Weightlifting poleCross Fit,Weight lifting lever,etc

              9.Others:

              Molds, Modules, Precision castings, Precision parts, etc.


              PH Stainless Steel
              17-4PH
              17-7PH
              15-5PH
              Contacts?
              Pones:+86-135-1749-7929
              / 0731-82250427
              Email:info@ronsteel.com
              Address: 1706, FuLi Building, NO.97, JiuCaiYuan Road, FuRong District, Changsha,Hunan, China

              About Us

              Copyright ©2017 Allianz Metal products CO.,LTD,,All Rights Reserved 
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