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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

  • China,Wuxi ,Jiangsu
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China Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar Type 630 with OD 6
China Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar Type 630 with OD 6

  1. China Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar Type 630 with OD 6

Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar Type 630 with OD 6

  1. MOQ: 50 kg
  2. Price: US $1.87-9.85 / kg
  3. Get Latest Price
Model NO. 630
Shape Round
Technique Hot Rolled
Surface Treatment Bright
Specification OD 6-300mm
Production Capacity 50000kgs
Tensile Strength 1105-1310 MPa
Yield Strength 1000-1170 MPa
Elongation 10-16%
Hardness 28-44 HRC
Density 7750 kg/m³
Thermal Conductivity 18.4-22.7 W/m.K
Specific Heat 460 J/kg.K
Electrical Resistivity 800 nΩ.m
Max Temperature 600°F (316°C)
Certification ISO, AISI, ASTM, EN, DIN, JIS

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  1. Product Details
  2. Company Details

Product Specification

Model NO. 630 Shape Round
Technique Hot Rolled Surface Treatment Bright
Specification OD 6-300mm Production Capacity 50000kgs
Tensile Strength 1105-1310 MPa Yield Strength 1000-1170 MPa
Elongation 10-16% Hardness 28-44 HRC
Density 7750 kg/m³ Thermal Conductivity 18.4-22.7 W/m.K
Specific Heat 460 J/kg.K Electrical Resistivity 800 nΩ.m
Max Temperature 600°F (316°C) Certification ISO, AISI, ASTM, EN, DIN, JIS
High Light Hot Rolled Stainless Steel Round BarBright Surface 17-4PH Stainless SteelOD 6-300mm Type 630 Stainless Steel
Type 630 (17-4PH) Stainless Steel Round Bar
Overview

17-4 Precipitation Hardening Stainless Steel (Type 630, UNS S17400) is a chromium-copper precipitation hardening martensitic stainless steel designed for applications requiring high strength and moderate corrosion resistance. This alloy maintains high strength up to approximately 600°F (316°C).

Key Characteristics
  • High strength and hardness (up to 572°F / 300°C)
  • Excellent mechanical properties through heat treatment
  • Very high yield strength up to 1100-1300 MPa (160-190 ksi)
  • Corrosion resistance comparable to Alloy 304 or 430
  • Optimized mechanical properties through precipitation hardening
Applications
  • Offshore applications (foils, helicopter deck platforms)
  • Food processing industry equipment
  • Pulp and paper industry machinery
  • Aerospace components (turbine blades)
  • Mechanical components and nuclear waste casks
  • Engine components and boat propeller shafts
  • Plastic molding dies, valves, and gears
Standards Compliance
  • ASTM A693 grade 630 (AMS 5604B) UNS S17400
  • EURONORM 1.4542 X5CrNiCuNb 16-4
  • AFNOR Z5 CNU 17-4PH
  • DIN 1.4542
Technical Specifications
Chemical Composition
Element Content (%)
C0.07 max
Mn1.0 max
Si1.0 max
P0.04 max
S0.030 max
Cr15.0 - 17.5
Ni3.0 - 5.0
Cu3.0 - 5.0
Nb+Ta0.15 - 0.45
Mechanical Properties
Condition Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HRC)
Solution Treated1105 typ1000 typ15 typ38 max
Condition 9001310 min1170 min10 min40 min
Condition 1150930 min724 min16 min28 min
Physical Properties
Property Value
Density7750 kg/m³
Thermal Expansion (0-100°C)10.8 µm/m/°C
Thermal Conductivity (100°C)18.4 W/m·K
Specific Heat460 J/kg·K
Electrical Resistivity800 nΩ·m
Heat Treatment

Solution Treatment (Condition A): Heat to 1040°C for 0.5 hours, then air-cool to 30°C. Small sections may be oil quenched.

Age Hardening: Performed at low temperatures to achieve required mechanical properties with minimal distortion.

Condition Hardening Temp (°C) Time (h) Typical Hardness (HRC) Tensile Strength (MPa)
AAnn-361100
H900482144-
H9254964421170-1320
H1150621433930-1080
Fabrication Properties

Welding: Can be welded using all conventional methods without pre-heating requirements.

Machining: Best machined in solution-treated condition with rates similar to grade 304 stainless steel.

Corrosion Resistance

17-4PH stainless steel offers superior corrosion resistance compared to standard hardenable stainless steels, comparable to Alloy 304 in most media. For optimal performance in chloride or H2S media, specific aging temperatures are recommended.

Alternative Grade Comparison
431: Higher toughness, better availability in some sizes
416: Free-machining martensitic steel, lower cost
316: Higher corrosion resistance but lower strength
2205: Much better corrosion resistance with moderate strength
17-4PH Stainless Steel Round Bar close-up showing material texture and surface finish 17-4PH Stainless Steel manufacturing process and industrial applications 17-4PH Stainless Steel components in various industrial settings

Company Details

Bronze Gleitlager

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Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Total Annual:

    >1000000

  • Employee Number:

    >100

  • Ecer Certification:

    Verified Supplier

Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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Get in touch with us

  • Reach Us
  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
  • No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
  • https://www.stainless-strips.com/

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