ASTM A270 standard specification covers grades of seamless, welded, and heavily cold worked welded austenitic and ferritic/austenitic stainless steel sanitary tubing intended for used in the dairy and food industry, bio processing equipment, and having special surface finishes. Pharmaceutical quality maybe requested, as a supplementary requirement.
As a welded tube factory, MW only supplies welded condition.
In this standard, all materials should be furnished in the heat-treated condition. The heat treatment procedure, except the for duplex stainless steel materials S31803, S32003, S32205, S32750, N08926 and N08367, shall consist of heating the material to a minimum temperature of 1900 ℉ (1040 ℃) and quenching in water or rapid cooling by other means. The heat treatment temperature of above duplex stainless steel materials are varied from 1850 ℉ (1010 ℃) to 2060 ℉ (1125 ℃) .
Other Related Standards: ISO 2037/AS 1528.1 / BS 4825-1 / SMS 3008.
Packing:
All tubing is packed using protective 2 tight plastic end caps (Commonly Bluefor 304/
All tubing is printed with size, gauge, alloy, ASTM or ASME (DIN, AS,BS)specifications, heat number, and date of manufacture for full traceability.
All tubing is protected for shipment by bundling, paper or burlapwrapping, or boxing.
Other Packing is available on customer request.
