The above photos, together with the technical description, represent the individual types and technical design of standardized components and parts of a fixed fire extinguishing system from one of the possible manufacturers. Delivery of goods from a specific manufacturer is guaranteed solely on the basis of mutual agreement within the demand procedure and at the same time when stating this requirement in the order or purchase contract for goods and is subsequently confirmed in writing (depending on availability at a particular supplier) by Primapol. In the event that a specific manufacturer is not specified, agreed and confirmed, Primapol reserves the right to supply standardized parts and components in accordance with the customer's specification from the manufacturer at its own discretion.
|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||After artificial ageing|
|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.|