I-ASTM A815 Ukucaciswa okuhlanganisa amakilasi amabili ajwayelekile, i-WP no-CR, we-Ferry Ferritic, Ferritic \
Aututenitic, kanye nokugcwaliswa kwensimbi engenasisekelo yokwakhiwa komthungo kanye nokwenziwa.
Abakhiqizi bensimbi engenasici bakhiqiza lokhu kufakwa ngokungeziwe ngokungeziwe kwe-manganese, phosphorus, ikhabhoni, i-silicon, nesibabule ngaphandle kwezinto ezi-2 eziphambili.