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Hot Rolled Bright Surface 17-4PH Stainless Steel Rod with OD 6-300mm

Certification	ISO, AISI, ASTM, EN, DIN, JIS
Minimum Order Quantity	50 kg
Price	US $1.85-10.85 / kg

Product Details

Model NO.	630	Shape	Round
Technique	Hot Rolled	Surface Treatment	Bright
Specification	OD 6-300mm	Production Capacity	50000kgs
Tensile Strength	1105-1310 MPa	Yield Strength	1000-1170 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	Max Temperature	572°F (300°C)
Density	7750 Kg/m³
Highlight	Hot Rolled Stainless Steel Rod , Bright Surface 17-4PH Stainless Steel , OD 6-300mm 630 Stainless Steel

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Product Description

630 Stainless Steel 17-4PH Rod

17-4PH Precipitation Hardening Stainless Steel (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

Composition ranges for grade 630 stainless steels:

Element	Content (%)
C	0.07 max
Mn	1.0 max
Si	1.0 max
P	0.04 max
S	0.030 max
Cr	15.0 - 17.5
Ni	3.0 - 5.0
Cu	3.0 - 5.0
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
Mean Coefficient of Thermal Expansion (0-100°C)	10.8 µm/m·°C

Corrosion Resistance

Alloy 17-4 PH withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media. For stress corrosion cracking resistance, higher aging temperatures above 1022°F (550°C) are recommended.

Heat Treatment

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

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

Machining & Welding

Grade 630 stainless steels can be machined in solution-treated condition with rates similar to grade 304. They can be welded using all conventional methods without pre-heating requirements.

Applications

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

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Hot Rolled Bright Surface 17-4PH Stainless Steel Rod with OD 6-300mm

Hot Rolled Stainless Steel Rod

Bright Surface 17-4PH Stainless Steel

OD 6-300mm 630 Stainless Steel