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

Certification	ISO, AISI, ASTM, EN, DIN, JIS
Minimum Order Quantity	50 kg
Price	US $3.2-3.69 / kg

Product Details

Model NO.	17-4PH/630	Shape	Round
Technique	Hot Rolled	Surface Treatment	Bright
Specification	OD 6-300mm	Production Capacity	50000kgs
Diameter	8 - 450mm	Length	6m /pcs
Tensile Strength	1105-1310 MPa	Yield Strength	724-1170 MPa
Elongation	10-16%	Hardness	28-44 HRC
Density	7750 Kg/m³	Thermal Conductivity	18.4-22.7 W/m.K
Electrical Resistivity	800 NΩ.m
Highlight	Hot Rolled 17-4PH Round Bar , Bright Surface Stainless Steel Round Bar , OD 6-300mm 630 Stainless Steel Bar

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Product Description

UNS S17400 / 17-4PH / 630 Stainless Steel Round Bar Black Bar

High-strength precipitation hardening stainless steel round bars with excellent corrosion resistance and mechanical properties.

Product Specification

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 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, etc.
Service	Cutting, surface polishing, heat treatment
Brand	Walsin, BAOSTEEL, TISCO, QINGSHAN

Material Description

17-4PH 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
Offshore (foils, helicopter deck platforms, etc.) Food industry Pulp and paper industry Aerospace (turbine blades, etc.) 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

Composition of 17-4PH Stainless Steel:

Grade	C	Mn	Si	P	S	Cr	Ni	Cu	Nb+Ta
630	min. - 0.07 max	min. - 1 max	min. - 1 max	min. - 0.04 max	min. - 0.030 max	15 - 17.5	3 - 5	3 - 5	0.15 - 0.45

Mechanical Properties

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

Mean Co-eff of Thermal Expansion (µm/m/°C)	Thermal Conductivity (W/m.K)	Specific Heat 0-100°C (J/kg.K)	Electrical Resistivity (nΩ.m)
0-100°C: 10.8 0-315°C: 11.6 0-538°C: -	At 100°C: 18.4 At 500°C: 22.7	460	800

Applications

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

Product Images

17-4PH Stainless Steel Round Bar - Product展示

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

Hot Rolled 17-4PH Round Bar

Bright Surface Stainless Steel Round Bar

OD 6-300mm 630 Stainless Steel Bar