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Hot Rolled 17-4PH Stainless Steel Round Bar with EN 10204-3.1 Certificate and OD

China Hot Rolled 17-4PH Stainless Steel Round Bar with EN 10204-3.1 Certificate and OD

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Hot Rolled 17-4PH Stainless Steel Round Bar with EN 10204-3.1 Certificate and OD

MOQ： 50
Price： 3.32
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Diameter range	8 - 450mm
Length	6m /pcs
Surface finish	Bright Bar
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 W/m.K
Specific heat	460 J/kg.K
Electrical resistivity	800 nΩ.m
Max temperature	572°F (300°C)
Chromium content	15-17.5%
Nickel content	3-5%
Copper content	3-5%
Certification	ISO, AISI, ASTM, EN, DIN, JIS

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Product Details
Company Details

Product Specification


Diameter range	8 - 450mm	Length	6m /pcs
Surface finish	Bright Bar	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 W/m.K	Specific heat	460 J/kg.K
Electrical resistivity	800 nΩ.m	Max temperature	572°F (300°C)
Chromium content	15-17.5%	Nickel content	3-5%
Copper content	3-5%	Certification	ISO, AISI, ASTM, EN, DIN, JIS
High Light	EN 10204-3.1 Certificate Stainless Steel Round Bar ，Hot Rolled 17-4PH Stainless Steel Bar ，OD 6-300mm Grade 630 Stainless Steel Bar

Grade 1.4542 / 17-4PH Stainless Steel Bar with EN 10204-3.1 Certificate

High-strength precipitation hardening stainless steel bars with excellent mechanical properties and moderate corrosion resistance, supplied with EN 10204-3.1 certification.

Product Specifications

Product	17-4PH Stainless Steel Round Bar
Standard	ASTM GB DIN EN
Diameter	8 - 450mm
Length	6m /pcs or cutting as requested
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 (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

Element	C	Mn	Si	P	S	Cr	Ni	Cu	Nb+Ta
Content (%)	≤0.07	≤1.0	≤1.0	≤0.04	≤0.030	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 (HRC)	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

Density (kg/m³)	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)
7750	10.8 (0-100°C) 11.6 (0-315°C)	18.4 (at 100°C) 22.7 (at 500°C)	460	800

Grade Specifications

Grade	UNS No	Euronorm	Japanese JIS
630	S17400	1.4542 X5CrNiCuNb16-4	SUS 630

Alternative Grades Comparison

Alternative Grade	Reasons for Choosing 17-4PH (630)
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 of 316 to resist more severe environments, but with much lower strength than 17-4PH.
2205	Much better corrosion resistance than 17-4PH, with a lower strength (but not as low as 316).

Corrosion Resistance

Grade 630 stainless steels have good corrosion resistance in many environments. They exhibit improved resistance against stress corrosion cracking when aged at 550°C or more. The alloy withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media.

Heat Treatment

Solution treatment (Condition A): Heated at 1040°C for 0.5 h, then air-cooled to 30°C. Small sections can be oil quenched. Age-hardening at low temperatures achieves required mechanical properties.

Condition	Hardening Temp (°C)	Time (h)	Typical Hardness Rockwell C	Tensile Strength (MPa)
A	Ann	-	36	1100
H900	482	1	44	-
H925	496	4	42	1170-1320
H1025	552	4	38	1070-1220
H1075	580	4	36	1000-1150
H1100	593	4	35	970-1120
H1150	621	4	33	930-1080

Machining & Welding

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

Product Images

Applications

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

Company Details

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Business Type:

Manufacturer 
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Year Established:

2012 
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Total Annual:

500,000,000-800,000,000
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Employee Number:

100~200 
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Ecer Certification：

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Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h... Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h...

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NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
https://www.316lsheet.com/

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