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

Certificazione	ISO, AISI, ASTM, EN, DIN, JIS
Quantità di ordine minimo	50 kg
Prezzo	US $3.23-3.72 / kg

Dettagli

Modello n.	17-4PH/630	Forma	Girare
Tecnica	Laminato a caldo	Trattamento superficiale	Luminoso
Specifica	diametro esterno 6-300 mm	Diametro	8-450 mm
Lunghezza	6 m/pz o taglio come richiesto	Grado principale	201 301 303Cu 304 304L 309S 310S 316L 316Ti 317L 318 321 347 410 420 430 431 440a/b/c 904L 2205 2507
Resistenza alla trazione	1105-1310MPa	Forza di snervamento	724-1170MPa
Allungamento	10-16%	Durezza	28-44 HRC
Densità	7750kg/m³	Conduttività termica	18,4-22,7 W/mK
Resistività elettrica	800 nΩ.m
Evidenziare	Hot Rolled 17-4PH Stainless Steel Round Bar , Bright Surface 630 Stainless Steel Round Bar , OD 6-300mm SUS630 Bright Bar

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Descrizione di prodotto

17-4PH (630) Stainless Steel Round Bar

High-performance precipitation hardening stainless steel round bars offering exceptional strength and corrosion resistance for demanding industrial applications.

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
Available 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 Overview

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

Key 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).

Applications & Standards

Applications	Standards
Offshore industries (foils, helicopter deck platforms) Food processing equipment 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

Chemical Composition

Composition ranges for grade 630 stainless steel:

Element	Content (%)
Carbon (C)	0.07 max
Manganese (Mn)	1.0 max
Silicon (Si)	1.0 max
Phosphorus (P)	0.04 max
Sulfur (S)	0.030 max
Chromium (Cr)	15.0 - 17.5
Nickel (Ni)	3.0 - 5.0
Copper (Cu)	3.0 - 5.0
Niobium+Tantalum (Nb+Ta)	0.15 - 0.45

Mechanical Properties

Condition	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Rockwell C (HRC)
Solution Treated	1105 (typical)	1000 (typical)	15 (typical)	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 (100°C)	18.4 W/m·K
Thermal Conductivity (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	Comparison to 17-4PH
431	Higher toughness, better availability in some sizes
416	Free-machining martensitic stainless steel, better for repetition machining, lower cost
316	Higher corrosion resistance but much lower strength
2205	Much better corrosion resistance with lower strength (but not as low as 316)

Heat Treatment

Solution treatment involves heating at 1040°C for 0.5 hours followed by air cooling to 30°C. Age hardening at various temperatures achieves required mechanical properties:

Condition	Hardening Temp (°C)	Time (h)	Typical Hardness (HRC)	Tensile Strength (MPa)
A	Annealed	-	36	1100
H900	482	1	44	-
H925	496	4	42	1170-1320
H1150	621	4	33	930-1080

Processing Characteristics

Welding

Grade 630 stainless steels can be welded using all conventional methods without requiring pre-heating. Proper design considerations are essential to prevent weldment stresses.

Machining

These steels can be machined in their solution-treated condition with machining rates similar to grade 304 stainless steels.

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