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Bright Surface Grade 17-4PH Stainless Steel Bar OD 6-300mm SS Rod

China Bright Surface Grade 17-4PH Stainless Steel Bar OD 6-300mm SS Rod

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Bright Surface Grade 17-4PH Stainless Steel Bar OD 6-300mm SS Rod

MOQ： 50 kg
Price： US $3.43-4.04 / kg
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Shape	Round
Technique	Hot Rolled
Surface Treatment	Bright
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	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
Coeff Thermal Expansion	10.8-11.6 µm/m/°C
Certification	ISO, AISI, ASTM, EN, DIN, JIS

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Product Details
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Product Specification


Shape	Round	Technique	Hot Rolled
Surface Treatment	Bright	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	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
Coeff Thermal Expansion	10.8-11.6 µm/m/°C	Certification	ISO, AISI, ASTM, EN, DIN, JIS
High Light	Grade 17-4PH Stainless Steel Bar ，Bright Surface SS Bar ，OD 6-300mm Stainless Steel Rod

Bright Stainless Steel Bar Grade 17-4PH Stainless Steel Rod SS Bar

17-4PH Stainless Steel Round Bar is a precipitation hardening martensitic stainless steel offering high strength and moderate corrosion resistance, maintaining properties 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
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 Hastelloy C276 C4 C22 Inconel 600 625 Incoloy 800 825 825H.etc
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.

General Properties

Alloy 17-4 PH 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 (HR 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 Grade Comparison

Alternative Grade	Reasons for Choosing 17-4PH
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 but with much lower strength than 17-4PH
2205	Much better corrosion resistance with lower strength (but not as low as 316)

Processing Characteristics

Heat Treatment

Solution treatment at 1040°C for 0.5 h followed by air-cooling. Age-hardening at various temperatures achieves required mechanical properties.

Welding

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

Machining

Can be machined in 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

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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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