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High Strength 17-4PH S17400 Stainless Steel Coil with Precipitation Hardening and Corrosion Resistance for Aerospace and Marine Applications
High Strength 17-4PH S17400 Stainless Steel Coil with Precipitation Hardening and Corrosion Resistance for Aerospace and Marine Applications
Specifications
Model Number :
304,304L,304H,321,316L,303,316H,347H,317H,310S, 304D,316Ti,309S,309Si2,310Si2
Supply Ability :
1000+ton/tons+month
Type :
Steel Coil,Steel Plate,corten steel,Strip
Coil weight :
3-8 Tons,3-8MT/Coil or as your request,3-10 Tons,3-10/MT,max 5mt
Payment Terms :
T/T
Application :
Construction,Ship Plate,Container Plate,Boiler Plate,decoration
Delivery Time :
7-15 days or as requirements
Width :
600mm-1250mm,30mm to 1250mm,100mm~2500mm,1000-1500,600--1800mm al available
MOQ :
100KG
Packaging Details :
Standard Export Seaworthy Package. Suit for all kinds of transport, or as required
Technique :
Cold Rolled,Hot Rolled,Cold rolled-hot dipped galvanized-color coated
Certification :
MTC
Place of Origin :
JIANGSU, CHINA
Brand Name :
Wuxi Sylaith Special Steel Co., LTD
Standard :
GB,ASTM,AISI,JIS,DIN
Description
1.4542 17-4PH S17400 Stainless Steel Coil
Product Overview

1.4542 17-4PH S17400 Stainless Steel Coil is a high-performance precipitation hardening stainless steel designed for applications requiring high mechanical strength, excellent corrosion resistance, and dimensional stability.

Also identified as X5CrNiCuNb16-4 according to DIN standards, AISI 17-4PH and UNS S17400, this stainless steel combines the advantages of martensitic stainless steel and age-hardening technology.

Key Features:

  • Extremely high strength after aging treatment
  • Excellent resistance to stress corrosion cracking
  • Good weldability and machinability
  • Stable performance under heavy loads
  • Good oxidation resistance at elevated temperatures
  • Suitable for precision mechanical components
High Strength 17-4PH S17400 Stainless Steel Coil with Precipitation Hardening and Corrosion Resistance for Aerospace and Marine Applications
Material Advantages

17-4PH precipitation hardening stainless steel provides specialized solutions for demanding applications where traditional stainless steel grades face limitations.

High Strength Structure:

17-4PH obtains superior mechanical properties through copper-rich precipitation during aging treatment, achieving very high strength without sacrificing corrosion resistance.

Corrosion Resistant Alloy Design:

Balanced alloy composition including Chromium for corrosion protection, Nickel for toughness, Copper for precipitation strengthening, and Niobium for structural stability.

Industry Applications

Aerospace Component Solution:

Widely selected for aerospace parts requiring high reliability with advantages including high strength-to-weight ratio, excellent fatigue resistance, and good dimensional stability.

Typical applications:

  • Aircraft fittings
  • Engine components
  • Structural fasteners
  • Precision aerospace parts

Oil & Gas Equipment Solution:

Provides excellent mechanical strength and corrosion resistance for oilfield and energy applications.

Applications:

  • Valve bodies
  • Pump shafts
  • Oilfield tools
  • Pressure components

Marine Engineering Solution:

Performs well in marine atmospheres and freshwater environments with good seawater resistance, high load-bearing capability, and extended service life.

Technical Specifications
Parameter Details
Product Name 1.4542 17-4PH S17400 Stainless Steel Coil
Material Number 1.4542
DIN Standard X5CrNiCuNb16-4
AISI Standard 17-4PH
UNS Number S17400
Material Type Martensitic Precipitation Hardening Stainless Steel
Product Form Coil / Plate / Sheet
Width Range 1000mm - 3000mm
Length Range 1000mm - 12000mm
Standards ASTM / DIN / GB / JIS / BS
Chemical Composition (%)
Element Requirement
Carbon (C) ≤0.07
Silicon (Si) ≤0.70
Manganese (Mn) ≤1.50
Chromium (Cr) 16.00
Nickel (Ni) 4.00
Copper (Cu) 3.50
Niobium (Nb) Added
Mechanical Properties After Aging Treatment
Condition Yield Strength Tensile Strength Elongation
H900 1170 MPa 1310 MPa 10%
H1025 Approx. 1070 MPa Approx. 1170 MPa 10%
H1150 Approx. 795 MPa Approx. 965 MPa 14%
Selection Guide

Select According to Working Environment:

Working Condition Recommended Treatment
Maximum strength requirement H900
Balanced strength and toughness H1025
Marine environment H1150
Heavy machinery H1150M

Confirm Before Purchase:

Customers should provide required thickness, width and length, heat treatment condition, surface requirement, inspection standard, and application environment. Customized production is available for special engineering projects.

Frequently Asked Questions
Q1: What is 1.4542 stainless steel?
1.4542 is the European material number for 17-4PH precipitation hardening stainless steel, also known as AISI 630 and UNS S17400. It provides very high strength combined with good corrosion resistance.
Q2: Is 17-4PH stronger than 304 stainless steel?
Yes. After precipitation hardening treatment, 17-4PH can achieve much higher yield strength and hardness than standard 304 stainless steel, making it suitable for heavy-duty applications.
Q3: Can 17-4PH stainless steel be welded?
Yes. 17-4PH has good weldability. Shielded fusion welding and resistance welding methods can be used. ER630 filler metal is commonly recommended for matching weld properties.
Q4: What industries use S17400 stainless steel?
S17400 stainless steel is widely used in aerospace, oil & gas, marine engineering, chemical processing, nuclear power, and precision machinery industries.
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High Strength 17-4PH S17400 Stainless Steel Coil with Precipitation Hardening and Corrosion Resistance for Aerospace and Marine Applications

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Product Detail
Model Number :
304,304L,304H,321,316L,303,316H,347H,317H,310S, 304D,316Ti,309S,309Si2,310Si2
Supply Ability :
1000+ton/tons+month
Type :
Steel Coil,Steel Plate,corten steel,Strip
Coil weight :
3-8 Tons,3-8MT/Coil or as your request,3-10 Tons,3-10/MT,max 5mt
Payment Terms :
T/T
Application :
Construction,Ship Plate,Container Plate,Boiler Plate,decoration
Contact Supplier
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High Strength 17-4PH S17400 Stainless Steel Coil with Precipitation Hardening and Corrosion Resistance for Aerospace and Marine Applications

Wuxi Sylaith Special Steel Co., Ltd.

Verified Supplier
1 Years
wuxi
Since 2010
Business Type :
Manufacturer, Trading Company
Main Products :
Steel Sheet Coils, Stainless Steel Sheet, Stainless Steel Pipe
Total Annual :
500000-600000
Employee Number :
100~450
Certification Level :
Verified Supplier
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