Khoom Description
American tus qauv A514GrF yog lub zog siab weldable steel phaj quenched thiab tempered raws li ASTM cov qauv.
Feem ntau siv nyob rau hauv qhov chaw uas yuav tsum tau siab tensile thiab siab yield, xws li engineering automotive lifting gears, loj excavators, thiab khib rau offshore platforms feem ntau siv A514GrF. Hardness ntawm 235-290, tawm los> 630MPa, tensile zog siab tshaj 700MPa.
A517GrF steel phaj yuav tsum tau kho cua sov: nyob rau hauv ib tug tempering lub xeev, cov hlau phaj yog rhuab kom tsis txhob tsawg tshaj li 900 degree C, quenched nyob rau hauv dej los yog roj, thiab tempered ntawm tsis tsawg tshaj li 620 degree C.
Kev siv tseem ceeb: steel phaj yog siv rau kev tsim cov thee mine hydraulic txhawb nqa, tsheb hnyav, kev tsim kho tshuab thiab lwm yam steel structural qhov yuav tsum tau weldability zoo.
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