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Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications

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Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications

Certification : ISO, AISI, ASTM, EN, DIN, JIS

MOQ : 50

Price : 3.27

Model NO. : 17-4PH/630

Shape : Round

Technique : Hot Rolled

Surface Treatment : Bright

Diameter : 8 - 450mm

Length : 6m /pcs

Main Grade : 201 301 303Cu 304 304L 309S 310S 316L 316Ti 317L 318 321 347 410 420 430 431 440a/b/c 904L 2205 2507

Tensile Strength : 1105-1310 MPa

Yield Strength : 724-1170 MPa

Elongation : 10-16%

Hardness : 28-44 HRC

Thermal Conductivity : 18.4-22.7 W/m.K

Specific Heat : 460 J/kg.K

Elec Resistivity : 800 nΩ.m

Density : 7750 kg/m³

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Hardened Finishing 17-4PH Stainless Steel Round Bar

17-4PH Precipitation Hardening Stainless Steel (Type 630) is a chromium-copper precipitation hardening stainless steel designed for applications requiring high strength and moderate corrosion resistance. This material maintains high strength up to approximately 600°F (316°C).

Product Specifications
Product 17-4PH Stainless Steel Round Bar
Standard ASTM GB DIN EN
Diameter 8 - 450mm
Length 6m /pcs or cutting as requested
Finishing Black Bar / Bright Bar
Main Grades 201, 301, 303Cu, 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 318, 321, 347, 410, 420, 430, 431, 440a/b/c, 904L, 2205, 2507, Hastelloy C276, C4, C22, Inconel 600, 625, Incoloy 800, 825, 825H, etc.
Services Cutting, surface polishing, heat treatment
Brand Walsin, BAOSTEEL, TISCO, QINGSHAN
Material Description

Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with copper and niobium additions. This grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance. Mechanical properties can be optimized through heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).

Applications & Standards
Applications
  • Offshore (foils, helicopter deck platforms)
  • Food industry
  • Pulp and paper industry
  • Aerospace (turbine blades)
  • Mechanical components
  • Nuclear waste casks
Standards
  • ASTM A693 grade 630 (AMS 5604B) UNS S17400
  • EURONORM 1.4542 X5CrNiCuNb 16-4
  • AFNOR Z5 CNU 17-4PH
  • DIN 1.4542
Chemical Composition
Element Min (%) Max (%)
C - 0.07
Mn - 1.0
Si - 1.0
P - 0.04
S - 0.030
Cr 15.0 17.5
Ni 3.0 5.0
Cu 3.0 5.0
Nb+Ta 0.15 0.45
Mechanical Properties
Condition Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Rockwell C (HRC)
Solution Treated 1105 typ 1000 typ 15 typ 38 max
Condition 900 1310 min 1170 min 10 min 40 min
Condition 1150 930 min 724 min 16 min 28 min
Physical Properties
Property Value
Density 7750 kg/m³
Thermal Conductivity at 100°C 18.4 W/m·K
Thermal Conductivity at 500°C 22.7 W/m·K
Specific Heat (0-100°C) 460 J/kg·K
Electrical Resistivity 800 nΩ·m
Heat Treatment
Condition Hardening Temp (°C) Time (h) Typical Hardness (HRC) Tensile Strength (MPa)
A (Annealed) - - 36 1100
H900 482 1 44 -
H925 496 4 42 1170-1320
H1025 552 4 38 1070-1220
H1075 580 4 36 1000-1150
H1100 593 4 35 970-1120
H1150 621 4 33 930-1080
Product Applications
  • Engine components
  • High strength boat propeller shafts
  • Plastic moulding dies
  • Valves and gears
Product Images
Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications
Contact Information
Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications

Product Tags:

Hardened Finishing Stainless Steel Round Bar

      

17-4PH Stainless Steel Round Bar

      

OD 6-300mm Round Bar

      
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Hardened Finishing 17-4PH Stainless Steel Round Bar with OD 6-300mm for High Strength Applications Images

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