I-ASTM A179 ihlanganisa ubukhulu obuncane bodonga, amashubhu ensimbi anekhabhoni ephansi adonswa ngaphandle komthungo we-tubular, isishintshi sokushisa, ama-condensers, nezinye izinsiza zokudlulisa ukushisa.I-ASTM A 179 yensimbi engenamthungo inikezwa futhi ikhiqizwa ngendlela ebandayo yokudweba.Ukwakheka kwamakhemikhali kuqukethe i-carbon, i-manganese, i-phosphorus, nesibabule.
Amazinga
ASTM, ASME kanye API
Usayizi
1/2” NB ukuya ku-36” NB
Ubukhulu
3-12 mm
Amashejuli
SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, Wonke Amashejuli
Ukubekezelelana
Ipayipi elibandayo elidonsayo: +/-0.1mm Ipayipi eligoqiwe elibandayo: +/-0.05mm
Ubuciko
Amakhaza aginqike futhi Abandayo
Uhlobo
Okungenamthungo / ERW / Welded / Yakhiwe
Ifomu
Amapayipi/amashubhu ayindilinga, amapayipi/amashubhu ayisikwele, amapayipi/amashubhu angunxande, amashubhu ahlanganisiwe, umumo othi “U”, amakhoyili ekhekhe lepani, amashubhu aHydraulic
Ubude
Min 3 Meters, Max18 Meters, noma ngokwemfuneko yekhasimende
Qeda
I-Plain End, I-Beveled End, Inyathelwe
C
Mn
P≤
S≤
Si≤
0.06-0.18
0.27-0.63
0.035
0.25