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Hot Rolled 17-4PH Stainless Steel Plate UNS S17400 High Strength Corrosion Resistant

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Hot Rolled 17-4PH Stainless Steel Plate UNS S17400 High Strength Corrosion Resistant

MOQ:	50
Price:	3.65

Details Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM, EN, DIN, JIS

Model NO.:

630

Shape:

Flat

Technique:

Hot Rolled

Surface Treatment:

Bright

Specification Width:

10-2000mm

Production Capacity:

50000kgs

Max Temperature:

572°F (300°C)

Yield Strength:

1100-1300 MPa

Tensile Strength:

1105 MPa (typ)

Elongation:

15% (typ)

Hardness:

38 HRC Max

Thermal Conductivity:

18.4 W/m.K

Specific Heat:

460 J/kg.K

Electrical Resistivity:

800 NΩ.m

Density:

7750 Kg/m³

Highlight:

Hot Rolled Stainless Steel Plate

Corrosion Resistant 17-4PH Stainless Steel

High Strength UNS S17400 Plate

Product Description

17-4PH Stainless Steel Overview

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

General Properties

Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with copper and niobium/columbium 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).

This grade should not be used above 572°F (300°C) or at very low temperatures. It provides adequate resistance to atmospheric corrosion and diluted acids or salts, with corrosion resistance equivalent to Alloy 304 or 430.

Applications & Standards

Applications	Standards
Offshore applications (foils, helicopter deck platforms) Food processing industry Pulp and paper industry Aerospace components (turbine blades) Mechanical components Nuclear waste casks	ASTM A693 grade 630 (AMS 5604B) UNS S17400 EURONORM 1.4542 X5CrNiCuNb 16-4 AFNOR Z5 CNU 17-4PH DIN 1.4542

Corrosion Resistance

Alloy 17-4 PH withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media. For stress corrosion cracking risks, higher aging temperatures above 1022°F (550°C), preferably 1094°F (590°C), should be selected.

1022°F (550°C) is the optimum tempering temperature in chloride media, while 1094°F (590°C) is optimal for H2S media. The alloy may experience crevice or pitting attack in stagnant seawater but provides corrosion resistance in chemical, petroleum, paper, dairy, and food processing industries (equivalent to 304L grade).

Chemical Composition

Table 1: Composition ranges for grade 630 stainless steels

Element	Min (%)	Max (%)
C	-	0.07
Mn	-	1.00
Si	-	1.00
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

Table 2: Mechanical properties of grade 630 stainless steels

Condition	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell C (HRC)	Hardness Brinell (HB)
Solution Treated	1105 typ	1000 typ	15 typ	38 max	363 max
Condition 900	1310 min	1170 min	10 min	40 min	388 min
Condition 1150	930 min	724 min	16 min	28 min	277 min

Physical Properties

Table 3: Typical physical properties of grade 630 stainless steels

Property	Value
Density (kg/m³)	7750
Mean Coefficient of Thermal Expansion 0-100°C (µm/m/°C)	10.8
Mean Coefficient of Thermal Expansion 0-315°C (µm/m/°C)	11.6
Thermal Conductivity at 100°C (W/m·K)	18.4
Thermal Conductivity at 500°C (W/m·K)	22.7
Specific Heat 0-100°C (J/kg·K)	460
Electrical Resistivity (nΩ·m)	800

Alternative Grade Comparison

Table 5: Possible alternative grades to 630 stainless steels

Alternative Grade	Selection Considerations
431	Higher toughness than 17-4PH, better availability in some sizes
416	Free-machining martensitic stainless steel - better for repetition machining, lower cost
316	Higher corrosion resistance for severe environments, but with much lower strength than 17-4PH
2205	Much better corrosion resistance than 17-4PH, with lower strength (but not as low as 316)

Heat Treatment

Solution treatment (Condition A): Grade 630 stainless steels are heated at 1040°C for 0.5 hours, then air-cooled to 30°C. Small sections can be oil quenched.

Hardening: Grade 630 stainless steels are age-hardened at low temperatures to achieve required mechanical properties. During processing, superficial discoloration occurs followed by shrinkage.

Applications

Engine components
High strength boat propeller shafts
Plastic molding dies
Valves and gears

Product Images

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Hot Rolled 17-4PH Stainless Steel Plate UNS S17400 High Strength Corrosion Resistant

MOQ:	50
Price:	3.65

Detail Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM, EN, DIN, JIS

Model NO.:

630

Shape:

Flat

Technique:

Hot Rolled

Surface Treatment:

Bright

Specification Width:

10-2000mm

Production Capacity:

50000kgs

Max Temperature:

572°F (300°C)

Yield Strength:

1100-1300 MPa

Tensile Strength:

1105 MPa (typ)

Elongation:

15% (typ)

Hardness:

38 HRC Max

Thermal Conductivity:

18.4 W/m.K

Specific Heat:

460 J/kg.K

Electrical Resistivity:

800 NΩ.m

Density:

7750 Kg/m³

Minimum Order Quantity:

Price:

3.65

Highlight

Hot Rolled Stainless Steel Plate

Corrosion Resistant 17-4PH Stainless Steel

High Strength UNS S17400 Plate

Product Description

17-4PH Stainless Steel Overview

General Properties

Applications & Standards

Applications	Standards
Offshore applications (foils, helicopter deck platforms) Food processing industry Pulp and paper industry Aerospace components (turbine blades) Mechanical components Nuclear waste casks	ASTM A693 grade 630 (AMS 5604B) UNS S17400 EURONORM 1.4542 X5CrNiCuNb 16-4 AFNOR Z5 CNU 17-4PH DIN 1.4542

Corrosion Resistance

Chemical Composition

Table 1: Composition ranges for grade 630 stainless steels

Element	Min (%)	Max (%)
C	-	0.07
Mn	-	1.00
Si	-	1.00
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

Table 2: Mechanical properties of grade 630 stainless steels

Condition	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell C (HRC)	Hardness Brinell (HB)
Solution Treated	1105 typ	1000 typ	15 typ	38 max	363 max
Condition 900	1310 min	1170 min	10 min	40 min	388 min
Condition 1150	930 min	724 min	16 min	28 min	277 min

Physical Properties

Table 3: Typical physical properties of grade 630 stainless steels

Property	Value
Density (kg/m³)	7750
Mean Coefficient of Thermal Expansion 0-100°C (µm/m/°C)	10.8
Mean Coefficient of Thermal Expansion 0-315°C (µm/m/°C)	11.6
Thermal Conductivity at 100°C (W/m·K)	18.4
Thermal Conductivity at 500°C (W/m·K)	22.7
Specific Heat 0-100°C (J/kg·K)	460
Electrical Resistivity (nΩ·m)	800

Alternative Grade Comparison

Table 5: Possible alternative grades to 630 stainless steels

Alternative Grade	Selection Considerations
431	Higher toughness than 17-4PH, better availability in some sizes
416	Free-machining martensitic stainless steel - better for repetition machining, lower cost
316	Higher corrosion resistance for severe environments, but with much lower strength than 17-4PH
2205	Much better corrosion resistance than 17-4PH, with lower strength (but not as low as 316)

Heat Treatment

Solution treatment (Condition A): Grade 630 stainless steels are heated at 1040°C for 0.5 hours, then air-cooled to 30°C. Small sections can be oil quenched.

Hardening: Grade 630 stainless steels are age-hardened at low temperatures to achieve required mechanical properties. During processing, superficial discoloration occurs followed by shrinkage.

Applications

Engine components
High strength boat propeller shafts
Plastic molding dies
Valves and gears

Product Images

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