17-4PH

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#17-4PH

Description

USA AISI 17-4PH Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 17-4PH

Category	Type	Steel Grade	Standard	Country
Steel Grades	Stainless Steel	17-4PH	AISI	USA
		ASTM 5140
		AISI 201
		AISI 202
		00Cr12
		0Cr13Al
		1Cr21Ni5Ti
		00Cr18Ni5Mo3Si2
		1Cr18Ni11SiA1Ti
		0Cr26Ni5Mo2
		410CB

Chemical composition(mass fraction)(wt.%) of the 17-4PH

TYPICAL ANALYSIS
C.	Mn.	P.	S.	Si.	Cr.	Ni.	Cu.	Nb.+Ta..
0.07% max.	1.00% max.	0.04% max.	0.03% max.	1.00% max.	15.00- 17.50%	3.00- 5.00%	3.00- 5.00%	0.15- 0.45%

Solution Treatments.
As supplied 17-4PH is usuall in the solution treated condition (Condition A). It can be heat treated at different temperatures to offer a wide range of properties. (We also hold stock in H1150+H1150, and annealed block).

Condition	Hardening	Hardening	Type of Cooling	Hardness
	Temperature	Time		Brinell	Rockwell C
A	1038°C	1/2	Oil/Air (to below 32°C)	363 max.	39 max.
H900	480°C	1	Air	420	44
H925	495°C	4	Air	409	42
H1025	550°C	4	Air	352	38
H1075	580°C	4	Air	341	36
H1100	595°C	4	Air	332	35
H1150	621°C	4	Air	311	33
H1150+H1150	760°C 760°C	4 followed by 4	Air Air	302	33
H1150-M	760°C 620°C	2 followed by 4	Air Air	277	27

Typical Mechanical Properties (longitudinal)

	A	H900	H925	H1025	H1075	H1100	H1150	H1150+ H1150	H1150M
Tensile Strength N/mm2	1034	1380	1310	1170	1140	1035	1000	965	860
0.2% YS N/mm2	760	1275	1200	1140	1035	930	860	760	585
Reduction of Area %	30-60	50	54	56	58	58	60	60	68
Elongation %	6-15	14	14	15	16	17	19	20	22
Charpy Impact J	-	20	34	47	54	61	68	108	135

Mechanical Properties of steel grade 17-4PH

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
325 (≥)	255 (≥)	44	31	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade 17-4PH

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
32	-	-			0.44	-
436	219	-	42.3	314		-
583	-	43	32.2			132	121

Heat Treatment of steel grade 17-4PH

Heat treated : 1821°C - 1175°C

Technological Curves of steel grade 17-4PH

No Curve

Cross Reference Table (Equivalent Grade) of 17-4PH

Grade	Standard	Country	Application
17-4PH		USA	Martensitic special steel
17-4PH		USA	Martensitic special steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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