Boikanyo Sheets and Plates, located in Cape Town, South Africa, is a reputable manufacturer and supplier of stainless steel 17-7 PH angles. Their products are celebrated for outstanding strength, corrosion resistance, and heat-treatable features. The company utilizes advanced rolling and fabrication techniques to produce precision-engineered 17-7 PH angles, ensuring they have uniform dimensions, a smooth surface finish, and excellent mechanical properties. These angles are perfect for aerospace, automotive, industrial, and structural applications where high strength, durability, and corrosion resistance are crucial, even in both normal and elevated temperature conditions.
Stainless steel 17-7 PH angles are a type of precipitation-hardening martensitic stainless steel, containing around 17% chromium, 7% nickel, and trace amounts of aluminum, titanium, and copper. They boast a tensile strength ranging from 1,000 to 1,400 MPa and a yield strength of 900 to 1,200 MPa after heat treatment, along with impressive toughness, corrosion resistance, and fatigue strength. This material can be heat-treated to achieve high hardness while still maintaining good ductility and formability, making it ideal for precision-engineered components that demand both strength and reliability.
Specifications : ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness: 5 to 6 mm (depending on size)
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| Grade | C | Mn | Ni | Al | Cr | P | Si | S | Fe | |
| 17-7 PH | min. | – | – | 6.50 | 0.75 | 16 | – | – | – | – |
| max. | 0.09 | 1.0 | 7.75 | 1.50 | 18 | 0.040 | 1.0 | 0.030 | Balance | |
| Properties | Metric | Imperial |
| Tensile strength | 1170 MPa | 170000 psi |
| Yield strength | 965 MPa | 140000 psi |
| Modulus of elasticity | 204 GPa | 29600 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 6% | 6% |
| Hardness, Rockwell C | 38 | 38 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 17-7 PH | 1.4568 | S17700 | SUS 631 | Z8CNA17.07 | 301S81 | – | X7CrNiAl 17 7 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Boikanyo Sheets and Plates based in Cape Town, South Africa, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Stainless steel 17-7 PH (Precipitation Hardened) Angle offers several advantages. Combine excellent strength, superior fatigue resistance and excellent processing power. The material offers excellent corrosion resistance, making it ideal for harsh environments. It is also resistant to high temperatures and can withstand high temperatures without losing its mechanical properties. Stainless steel 17-7 PH Angle is widely used in aerospace, automotive, and construction applications due to its ability to heat treat to varying hardness while maintaining high performance and reliability while also saving cost which is less expensive.
These stainless steel 17-7 PH angles find extensive use in aerospace structural components, fasteners, springs, gears, and precision machinery. They are also well-suited for chemical processing equipment, marine applications, and industrial tools where high strength and corrosion resistance are vital. The blend of mechanical strength, heat-treatable properties, and corrosion resistance makes 17-7 PH angles perfect for demanding applications that require long-term performance, structural integrity, and reliability in both industrial and high-performance engineering projects.
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