17-4 Stainless Steel Socket Head Cap Screws

17-4 PH bolts are made from a precipitation hardened stainless steel, compared to 316 stainless steel, 17-4 PH bolts yield strength is up over 4 times greater,When compared to Duplex 2205 bolts, the yield strength of 17-4 PH can be up to 2-½ times greater.
These 17-4 PH stainless steel bolt are suitable for high-strength fastening in corrosive environments.With the strength of steel and the corrosion resistance of 18-8 stainless steel.
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Product Details

17-4 Stainless Steel Socket Head Cap Screws

Stainless Grade 17-7 PH is a precipitation hardening stainless steel that provides high strength and hardness, excellent fatigue properties, good corrosion resistance, good formability, and minimum distortion upon heat treatment. Type 17-7 PH is a Chromium-Nickel-Aluminum, austenitic stainless steel. The alloy provides valuable property combinations particularly well suited for aerospace applications. This special alloy also provides benefits for other applications requiring high strength and good corrosion resistance, as well as excellent properties for flat springs at temperatures up to 800°F (427°C).

socket screw

M4M5M6M8M10M12M14M16M20
Hex head SizeA/F(mm)7810131719222430
Pitch(mm)0.70.811.21.51.7222.5
Hex head Height(mm)2.83.545.36.47.58.81012.5
Thread Lenth≤125(mm)FULL1618222630343846
Thread Lenth≥125(mm)FULLFULL24283236404452

17-4 Stainless Steel Socket Head Cap Screws Applications
■ Aerospace
■ Mechanical
■ Pulp & Paper
■ Offshore Industrial
■ Food Processing

■ Chemical Processing

17-7PH Chemical Composition


Element

Percent by Weight

C

Carbon

0.09 maximum

Mn

Manganese

1.00 maximum

P

Phosphorous

0.05 maximum

S

Sulfur

0.03 maximum

Si

Silicon

1.00 maximum

Cr

Chromium

16.00 - 18.00

Ni

Nickel

6.75 - 7.75


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