ASTM A815 specification npog ob chav dav dav, WP thiab CR, ntawm wrought ferritic, ferritic\ / austenitic, thiab martensitic stainless hlau fittings ntawm seamless thiab welded tsim.
Stainless Hlau Fittings Manufacturers tsim cov fittings nrog ntxiv ntawm manganese, phosphorus, carbon, silicon, thiab sulfur sib nrug ntawm 2 lub ntsiab lus.