17-4PH stainless steel (commonly referred to simply as 17-4), often called just 17-4, is an exceptional martensitic precipitation-hardening stainless steel alloy characterized by high strength, excellent corrosion resistance and good mechanical properties. The "PH" in its name refers to precipitation hardening, an application process which imparts exceptional strength through heat treatment resulting in greater material strength than ever before.
17-4PH sheets stand out due to their impressive strength, which can be further augmented through heat treatment to produce different degrees of hardness. They exhibit exceptional tensile strength and hardness levels which makes them suitable for applications where robustness is of key importance. Their corrosion resistance also excels, especially in environments exposed to moisture, chemicals or saltwater exposure, this feature makes 17-4PH an ideal candidate for marine, aerospace or oil and gas industries where corrosion protection is vitally important.
17-4PH sheets provide incredible versatility beyond their mechanical properties and corrosion resistance, offering superior machinability that enables effortless fabrication into various shapes and components for manufacturing purposes. Their precise dimensions facilitate intricate part creation while their excellent weldability enables seamless incorporation into larger structures or assemblies.
17-4PH sheets have become widely utilized across numerous industries due to their unique combination of properties. Within aerospace applications specifically, 17-4PH sheets find widespread usage within structural component, engine part, and landing gear manufacturing applications due to their superior combination of strength/weight ratio and corrosion resistance, these properties make these sheets particularly ideal for this use.
17-4PH sheets are widely employed within the oil and gas industry as downhole equipment, valve components and offshore platforms to withstand harsh operating conditions in these locations. Their combination of corrosion resistance, strength and durability provides reliable performance even under challenging circumstances.
Furthermore, 17-4PH sheets find application in medical manufacturing, for example they're often employed when fabricating surgical instruments, orthopedic implants and medical devices due to its biocompatibility, its strength and corrosion resistance make this material perfect for this field of medicine.
Apple Steels is a Premier manufacturer and Supplier of 17-4Ph Sheets in Mumbai, India. We take great pride in producing top-tier products tailored to meet all of your exact specifications. Our 17-4Ph Sheets are widely renowned for their durability, corrosion resistance, and impeccable finish, making them suitable for a host of industrial applications. Using cutting edge technology combined with an unwavering dedication to excellence we ensure every sheet meets the highest quality and reliability - be it aerospace, chemical processing, or anything else you trust. We stand by our word to meet all your 17-4PH sheet needs!
Standards | ASTM A240 / ASME SA240 |
Dimensions | ASTM, ASME, and API |
Sheets Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
Sheets Plates Thickness | 4mm-100mm |
Sheets Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
Surface Finish | No.1, 2B, BA, 8K Mirror, Hairline, satin (Met with Plastic Coated) Embossed, brush, No.4, HL, matt, pvc etc. |
Value added services | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
Hardness | Half Hard, Quarter Hard, Soft, Hard, Spring Hard |
Form | Coils, Foils, Rolls, Strip, Flats, Blank (Circle), Ring (Flange) |
STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | EN |
SS 17-4PH | 1.4542 | S17400 | SUS 630 | Z6CNU17-04 | X5CrNiCuNb16.4 |
Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr | Cb+Ta |
SS 17-4 PH | 0.07 | 0.04 | 1.0 max | 3.0 – 5.0 | 3.0 – 5.0 | Bal | 1.0 max | 0.03 | 15.0 – 17.5 | 5 X C / 0.45 |
Condition |
Ultimate Tensile
Strength (PSI) |
0.2% Yield
Strength (PSI) |
Elongation
(% in 2in.) |
Reduction Of
Area (%) |
Hardness
Brinell |
Hardness
Rockwell |
H900 | 190,000 | 170,000 | 10 | 40 | 388 | C40 |
H1025 | 155,000 | 145,000 | 12 | 45 | 331 | C35 |
H1075 | 145,000 | 125,000 | 13 | 45 | 311 | C32 |
H1150 | 135,000 | 105,000 | 16 | 50 | 277 | C28 |
H1150-M | 115,000 | 75,000 | 18 | 55 | 255 | C24 |
H1150-D | 125,000 | 105,000 | 16 | 50 |
255 min-
311 max |
C24-33 |
Electrical Industry
Automotive Industry
Construction Industry
Defence Industry
Pharmaceutical Industry
Petroleum Industry
Petrochemical Industry
Milk & Dairy Industry
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