Cov yam ntxwv ntawm ASTM A516 Qib 70 (A516GR70):
chemical muaj pes tsawg leeg:
Cov pa roj carbon (C): 0 27-0.31%
Manganese (Mn): 0 79-1.3%
Phosphorus (P): 0.035% siab tshaj
Sulfur (S): 0.035% siab tshaj
Silicon (Si): 0 13-0.45%
Mechanical cwj pwm:
Tensile zog: 485-620 MPa (70-90 ksi)
Tawm Zog: Tsawg kawg 260 MPa (38 ksi)
Elongation: 17% yam tsawg kawg nkaus rau 8 ntiv tes, 21% yam tsawg kawg nkaus rau 2 ntiv tes
Qhov ceev: 7.85 g / cm3 ({3}}.284 lb / cubic inch)
Modulus ntawm elasticity: 200 GPa (29, 000 ksi)
Thermal conductivity: 52.6 W / m·K ntawm 100 degree
Lub peev xwm kub tshwj xeeb: 470 J / kg·K
Resistivity: 0.0000159Ω·m
Hardness: Feem ntau kwv yees li 187 Brinell (HB) lossis sib npaug Rockwell hardness.
Weldability: Zoo weldability nrog preheating thiab tom qab vuam kev kho cua sov kev coj ua.
Corrosion kuj: Resistant corrosion nyob rau hauv ntau yam atmospheric tej yam kev mob; susceptible rau lub zos corrosion nyob rau hauv tej qhov chaw.
Kev cuam tshuam tsis zoo: Kev cuam tshuam zoo ntawm chav tsev kub thiab qis qis.
Daim ntaub ntawv: Feem ntau siv nyob rau hauv lub nkoj siab thiab boiler daim ntaub ntawv qhov chaw nruab nrab mus rau qhov kub thiab txias kev pab cuam tej yam kev mob.
Kev kho cua sov: Kev ua kom zoo lossis kev ntxhov siab tom qab vuam feem ntau yog siv los txhim kho cov khoom siv thiab tshem tawm cov kev ntxhov siab seem.
