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1)  welded carbon low-alloy pipe and tubes
焊接低合金碳钢管
2)  mild steel weld
低碳钢焊接
3)  low carbon alloy steel
低碳合金钢
1.
Impact corrosion and abrasion properties of the low carbon alloy steel with different chromium con- tent under the simulated working condition of metallurgical industry were investigated by a MLD-10impact-corro- sion-abrasion tester.
在模拟工况条件下,对不同铬含量的新型衬板用低碳合金钢在腐蚀环境中的冲击磨损性能进行了测试,并利用扫描电镜和金相显微镜对试样的表面和亚表面形貌进行了观察。
2.
The influences of chromium content on the hardness,impact toughness and corrosion resistance of low carbon alloy steel were studied using OM and hardness tester.
利用光镜、显微硬度计研究了铬含量对低碳合金钢组织、硬度、冲击韧度及耐均匀腐蚀性的影响。
3.
The sub-temperature quenching process for the large low carbon alloy steel forging with different chemical composition has been described in this article,and the sub-temperature quenching process parameter which has been already applied in the practical production has been determined as well.
对不同成分的大型低碳合金钢锻件亚温淬火工艺进行研究,确定了亚温淬火工艺参数,并应用于实际生产中。
4)  low-alloy carbon steel
低合金碳钢
5)  low-carbon alloy steel
低碳合金钢
1.
Preparation and microstructural characterization of hard bainite in surface layer of low-carbon alloy steel
低碳合金钢表面硬贝氏体的制备及其组织特征
2.
Effect of hot rolling in dual-phase region on microstructue and mechanical properties of low-carbon alloy steel plate
两相区热轧对低碳合金钢板组织性能的影响
6)  low carbon and low alloy pipeline steel
低碳微合金管线钢
1.
The undercooled austenite phase transformation temperature of low carbon and low alloy pipeline steel with different Nb content was determined by Gleeble-1500 thermo-mechanical simulator at different cooling speeds.
采用Gleeble-1500D型热模拟机,测定了不同Nb含量的低碳微合金管线钢在不同冷却速度下,过冷奥氏体连续冷却相变点,分析观察了显微组织,测定了其显微硬度。
补充资料:低碳钢
分子式:
CAS号:

性质:含碳量小于0.25%的碳素钢:有时还含有少量锰(0.70%~1.00%)如20Mn,25Mn等。按质量分为普通钢和优质钢,前者的硫、磷含量分别不大于0.050%和0.045%,后者分别不大于0.030%~0.040%和0.035%~0.040%。低碳钢的特点是低强度和高塑性、高韧性及良好的加工成形性和焊接性能。适宜制作形状复杂和需要焊接的零件和构件。普通低碳钢一般不热处理而直接使用。优质低碳钢或不作热处理,或作表面硬化(如渗碳)处理。低碳钢的常用性能范围是:σb为294~490MPa,δ为25%~40%,HB为100~150。经冷加工后可提高强度、降低塑性和韧性。主要制作钢丝、钢板等,作建筑材料和结构件,表面硬化处理的优质低碳钢可制成各种中小型机械零件、齿轮、轴等。参见碳素结构钢。

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