S17400

Description：

Precipitation Hardening Stainless Steels (e.g.,17-4PH,17-7PH ) are a class of high-strength stainless steels that achieve their exceptional mechanical properties through a specific heat treatment process known as age hardening or precipitation hardening.

Chemical Composition:

Grade	C(％)	Nb(％)	Mn(％)	S(％)	Ni(％)	Cr(％)	P(％)	Si(％)	Cu(％)	Al(％)	Fe(％)
17-4PH	≤0.07	0.15-0.45	≤1.0	≤0.04	3.0-5.0	15-17.5	≤0.04	≤1.0	3.0-5.0	－	Bal.
17-7PH	≤0.09	－	≤1.0	≤0.04	6.5-7.75	16-18	≤0.04	≤1.0	－	0.75-1.5	Bal.

Mechanical Properties:

Grade	Condition	Subtype	RM(N/MM²)	HBW	RP0.2% (N/MM²)	E4D(%)
17-4PH	S-A	AT	1200 max	360 max	－	－
	S-A-A	H900	1310 min	380 min	1170 min	10 min
	S-A-A	H925	1170 min	375 min	1070 min	10 min
	S-A-A	H1025(P1070)	1070 min	331 min	1000 min	12 min
	S-A-A	H1075	1000 min	311 min	860 min	13 min
	S-A-A	H1100(P960)	965 min	302 min	795 min	14 min
	S-A-A	H1150(P930)	930 min	277 min	725 min	16 min
	S-A-D	H1150M(P800)	795 min	255 mim	520 min	18 min
	S-A-D	H1150D	860 min	255-311	725 min	16 min

Grade	Tensile strength		Yield strength		Fracture toughness (longitudinal, 44 HRC)		Elastic modulus
17-7PH	Metric	Imperial	Metric	Imperial	Metric	Imperial	Metric	Imperial
	1275 MPa	184900 psi	1030 MPa	149000 psi	76 MPa-m½	69.2 ksi-in½	204 GPa	29588 ksi
	Poisson's ratio		Elongation at break		Reduction of area		Hardness, Rockwell C
	Metric	Imperial	Metric	Imperial	Metric	Imperial	Metric	Imperial
	0.27-0.30	0.27-0.30	6%	6%	10%	10%	41	41

Available Sizes And Specifications：

Grade	S32760
Cold rolled stainless steel coil/sheet	Coil Thickness: 0.3mm- 3.0mm, Width: 1000mm – 2000mm. Sheet Thickness:0.3mm- 3.0mm Width&Length：as customer requirement.
Hot rolled stainless steel coil/plate	Coil Thickness: 3mm- 16mm, Width: 1000mm – 2000mm. Plate Thickness:3mm- 16mm Width&Length：as customer requirement.
Stainless steel Strip	Thickness:0.3mm- 16.0mm Width&Length：as customer requirement.
stainless steel plate	Thickness:0.3mm- 200.0mm Width：1000mm- 2000mm Length：as customer requirement.
Stainless steel round Bar	Diameter: 2mm – 600mm
Stainless steel seamless pipe/tube	Outside diameter: 4.0 – 1219mm, Thickness: 0.5 -100mm,Length: 24000mm Or possible dimensions
Stainless Steel welded pipe/tube	Outside diameter: 6.0 – 2800mm, Thickness: 0.3 -45mm,Length: 18000mm Or possible dimensions
Stainless steel square bar	Dimension: 3.0 – 180mm
Stainless steel flat bar	Thickness: 0.5mm – 200mm, Width: 1.5mm – 250 mm
Stainless steel angle bar	as requirements
Standard	ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303, BS 1449, DN17441, G4305

Surface Treatment：

Applications：

Aerospace Industry

Chemical and Energy Sector

Medical Devices

High-Performance Automotive

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