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Square Bar

Name Square Bar
Standard ASTM A693 (Grade 630)
Material Stainless Steel 17–4 PH
Size Inch Up to 2″
Applications Chemical processes equipment. Valves for oil drilling equipment. Mechanical parts for the aviation and aerospace industries. Jet engine parts. Fasteners. Cog-wheels. Equipment for the paper industry.
Characteristics Good corrosion resistance. High mechanical strength. Good mechanical quality up to 316°C. Suitable for hot processing. Suitable for chip processing. Weldable.
Thermal State Condition A
Chemical Compound 0.07% Carbon maximum. 0.03% Sulfur maximum. 0.04% Phosphorus maximum. 15–17.5% Chrome. 1% Manganese maximum. 3–5% Copper maximum. 3–5% Nickel maximum. 0.15–0.45% Columbium (Niobium). 1% Silicon maximum. Rest is Iron.

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