DWTT

基本解释

DWTT separation fracture has been analyzed for pipe line steel.
摘要文章对管线钢DWTT试样上出现的分离断口进行了分析。
Causes of DWTT specimen failure for medium thickness pipe are material brittleness addition and V-shape nick.
简单分析了中厚壁钢管产生DWTT无效试样的原因是材料脆性增加和试样V形缺口。
It obtains low temperature toughness of China made grade X80 LSAW pipe by Charpy impacting test and DWTT.
通过夏比冲击试验和落锤撕裂试验(DWTT),测得国产X80级直缝埋弧焊接钢管低温韧性。
The calculated (CTOA) C by above formula from C V is coincidence well with that by the formula from DWTT.
用管材Charpy冲击韧性CV 试验结果计算得到的 (CTOA) C 与用DWTT试验结果的经验公式计算得到的 (CTOA) C 非常吻合。
The conclusions show that the abnormal fracture surfaces of DWTT on X70 line pipe have four types.
结果表明,厚壁X70管线钢DWTT异常断口有4种类型。