Cov qauv:
ASME SA106- Kub kub seamless carbon steel raj
ASME SA179- Seamless txias drawn low carbon steel yeeb nkab rau cua sov exchanger thiab condenser
ASME SA192- Seamless carbon steel boiler raj rau kev kub siab
ASME SA210- Seamless Medium Carbon Steel Yeeb Nkab rau Boilers thiab Superheaters
ASME SA213- Seamless ferritic thiab austenitic alloy steel kav rau boilers, superheaters thiab tshav kub exchangers
ASME SA335- Seamless ferritic alloy steel nominal raj rau qhov kub thiab txias
DIN17175- Seamless steel yeeb nkab ua los ntawm cov hlau kub-resistant
TS EN 10216-2-Unalloyed steel thiab alloy steel kav nrog qhov ntsuas kub siab
GB5310- Seamless steel yeeb nkab rau kev kub siab boiler
wb 3087- Seamless steel yeeb nkab rau qis thiab nruab nrab siab boilers