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Bright Polished 17-4PH/630 Stainless Steel Bar with OD 6-300mm - Premium Stainless Steel Round Bar

Certification	ISO, AISI, ASTM, EN, DIN, JIS
Minimum Order Quantity	50 kg
Price	US $3.21-3.7 / kg

Product Details

Model NO.	17-4PH/630	Shape	Round
Technique	Hot Rolled	Surface Treatment	Bright
Specification	OD 6-300mm	Diameter	8 - 450mm
Length	6m /pcs	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	Bright Polished Stainless Steel Bar , 17-4PH/630 Stainless Steel Round Bar , OD 6-300mm Bright Stainless Steel Bar

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Product Description

Bright Polished 17-4PH Stainless Steel Bar

High-strength precipitation hardening stainless steel bars with excellent corrosion resistance and mechanical properties, available in bright polished finish.

Product Specifications

Product	17-4PH Stainless Steel Round Bar
Standard	ASTM, GB, DIN, EN
Diameter	8 - 450mm
Length	6m per piece or custom cutting available
Finishing	Black Bar / Bright Bar
Main Grades	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
Services	Cutting, surface polishing, heat treatment
Brand	Walsin, BAOSTEEL, TISCO, QINGSHAN

Material Description

17-4PH (Type 630) is a chromium-copper precipitation hardening martensitic stainless steel that provides high strength and moderate corrosion resistance. It maintains high strength up to approximately 600°F (316°C).

General Properties

Alloy 17-4 PH 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). Not recommended for use above 572°F (300°C) or at very low temperatures.

Applications & Standards

Applications	Standards
Offshore industries (foils, helicopter deck platforms) Food processing 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	≤ 0.07
Mn	≤ 1.00
Si	≤ 1.00
P	≤ 0.04
S	≤ 0.030
Cr	15.00 - 17.50
Ni	3.00 - 5.00
Cu	3.00 - 5.00
Nb+Ta	0.15 - 0.45

Mechanical Properties

Condition	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HRC)
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 Expansion (0-100°C)	10.8 µm/m/°C
Thermal Conductivity (100°C)	18.4 W/m·K
Specific Heat	460 J/kg·K
Electrical Resistivity	800 nΩ·m

Product Gallery

Industrial Applications

Engine components
High-strength boat propeller shafts
Plastic molding dies
Valves and gears
Aerospace turbine blades
Nuclear waste containment systems

For pricing, technical specifications, and custom orders, please contact our sales team for professional assistance with your 17-4PH stainless steel bar requirements.

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Bright Polished 17-4PH/630 Stainless Steel Bar with OD 6-300mm - Premium Stainless Steel Round Bar

Bright Polished Stainless Steel Bar

17-4PH/630 Stainless Steel Round Bar

OD 6-300mm Bright Stainless Steel Bar