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Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar UNS S17400 with OD 6-300mm

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Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar UNS S17400 with OD 6-300mm

MOQ:	50
Price:	3.42

Details Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM, EN, DIN, JIS

Model NO.:

17-4PH/630

Shape:

Round

Technique:

Hot Rolled

Surface Treatment:

Bright

Specification:

OD 6-300mm

Diameter:

8 - 450mm

Length:

6m /pcs Or Cutting As Request

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

Highlight:

Hot Rolled 17-4PH Stainless Steel Round Bar

Bright Surface UNS S17400 Stainless Steel Bar

OD 6-300mm Precipitation Hardening Stainless Steel Bar

Product Description

UNS S17400 Precipitation Hardening Stainless Steel Bar

17-4PH Stainless Steel Round Bar is a chromium-nickel-copper precipitation hardening martensitic stainless steel offering high strength and moderate corrosion resistance up to 600°F (316°C).

Product Specifications

Products	17-4PH Stainless Steel Round Bar
Standard	ASTM GB DIN EN
Diameter	8 - 450mm
Length	6m /pcs or cutting as request
Finishing	black bar / Bright Bar
Service	Cutting, surface polishing, heat treatment
Brand	Walsin BAOSTEEL TISCO QINGSHAN

Material Description

17-4 Precipitation Hardening (Type 630) is a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and moderate corrosion resistance. High strength is maintained to approximately 600°F (316°C).

General Properties

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

Applications & Standards

Applications	Standards
Offshore (foils, helicopter deck platforms) Food industry Pulp and paper industry Aerospace (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

Chemical Composition

Element	Content (%)
C	max 0.07
Mn	max 1
Si	max 1
P	max 0.04
S	max 0.030
Cr	15 - 17.5
Ni	3 - 5
Cu	3 - 5
Nb+Ta	0.15 - 0.45

Mechanical Properties

Condition	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell C
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

Alternative Grades Comparison

Alternative Grade	Reasons for Choosing 17-4PH (630)
431	431 has 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 of 316 to resist more severe environments, but with much lower strength than 17-4PH.
2205	Much better corrosion resistance than 17-4PH, with a 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 h, 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.

Condition	Hardening Temp (°C)	Time (h)	Typical Hardness Rockwell C	Tensile Strength (MPa)
A	Ann	-	36	1100
H900	482	1	44	-
H925	496	4	42	1170-1320
H1025	552	4	38	1070-1220

Processing Characteristics

Welding: Grade 630 stainless steels can be welded using all conventional methods without pre-heating.

Machining: Grade 630 stainless steels can be machined in their solution-treated condition with machining rates similar to grade 304 steels.

Product Images

Applications

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

Contact Information

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Products

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Hot Rolled Stainless Steel Plate

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Incoloy Alloy

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Copper Material

Aluminum Material

Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar UNS S17400 with OD 6-300mm

MOQ:	50
Price:	3.42

Detail Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM, EN, DIN, JIS

Model NO.:

17-4PH/630

Shape:

Round

Technique:

Hot Rolled

Surface Treatment:

Bright

Specification:

OD 6-300mm

Diameter:

8 - 450mm

Length:

6m /pcs Or Cutting As Request

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

Minimum Order Quantity:

Price:

3.42

Highlight

Hot Rolled 17-4PH Stainless Steel Round Bar

Bright Surface UNS S17400 Stainless Steel Bar

OD 6-300mm Precipitation Hardening Stainless Steel Bar

Product Description

UNS S17400 Precipitation Hardening Stainless Steel Bar

17-4PH Stainless Steel Round Bar is a chromium-nickel-copper precipitation hardening martensitic stainless steel offering high strength and moderate corrosion resistance up to 600°F (316°C).

Product Specifications

Products	17-4PH Stainless Steel Round Bar
Standard	ASTM GB DIN EN
Diameter	8 - 450mm
Length	6m /pcs or cutting as request
Finishing	black bar / Bright Bar
Service	Cutting, surface polishing, heat treatment
Brand	Walsin BAOSTEEL TISCO QINGSHAN

Material Description

General Properties

Applications & Standards

Applications	Standards
Offshore (foils, helicopter deck platforms) Food industry Pulp and paper industry Aerospace (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

Chemical Composition

Element	Content (%)
C	max 0.07
Mn	max 1
Si	max 1
P	max 0.04
S	max 0.030
Cr	15 - 17.5
Ni	3 - 5
Cu	3 - 5
Nb+Ta	0.15 - 0.45

Mechanical Properties

Condition	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell C
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

Alternative Grades Comparison

Alternative Grade	Reasons for Choosing 17-4PH (630)
431	431 has 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 of 316 to resist more severe environments, but with much lower strength than 17-4PH.
2205	Much better corrosion resistance than 17-4PH, with a 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 h, 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.

Condition	Hardening Temp (°C)	Time (h)	Typical Hardness Rockwell C	Tensile Strength (MPa)
A	Ann	-	36	1100
H900	482	1	44	-
H925	496	4	42	1170-1320
H1025	552	4	38	1070-1220

Processing Characteristics

Welding: Grade 630 stainless steels can be welded using all conventional methods without pre-heating.

Machining: Grade 630 stainless steels can be machined in their solution-treated condition with machining rates similar to grade 304 steels.

Product Images

Applications

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

Contact Information

Tags: