1) X70 grade pipe
X70级钢管
2) X70 grade steel elbow
X70钢级弯管
3) X70 grade pipeline steel
X70级管线钢
1.
Adopting thermal simulation and micro analysis technology,it researched effect of welding thermal cycle on the HAZ structure and toughness for high Nb X70 grade pipeline steel.
采用热模拟技术和显微分析技术,研究了焊接热循环对高Nb X70级管线钢热影响区组织和韧性的影响。
2.
Adopting simulation welding thermal cycle and thermoplastics tensile test,it studied welding crack sensitivity parameter of X70 grade pipeline steel,and judged welding thermal cycle sensitivity of X70 grade pipeline steel.
采用模拟焊接热循环及热塑性拉伸试验研究了X70级管线钢的焊接裂纹敏感性参数,评判了X70级管线钢的焊接热裂纹敏感性。
4) X70 grade steel for line pipe
X70钢级管线钢
5) X70 pipeline steel pipe
X70级管线钢管
1.
Aiming at X70 pipeline steel pipe,this paper establishes a heat source model of pipeline girth weld based on testing,and calculates welding heat cycle process by using numerical simulation software,and also determines variety process and distribution of temperature and stress in welding joint during welding,as well as magnitude and distribution of residual stress post-weld.
根据试验确定了X70级管线钢管环焊热源模型,并利用数值模拟软件Sysweld计算了焊接热循环过程,确定了焊接接头在焊接过程中温度和应力的变化过程及其分布,以及焊后残余应力的大小和分布。
6) X70grade
X70钢级
补充资料：宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的中508排辊成形机组
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条