Crack is the main flaw happening in steel forging deformation.
裂纹是钢锻件锻压加工中常见的主要缺陷。
So the correct carbon steel forging temperature range does not include industrial pure iron.
碳钢正确的锻造温度范围应不包括工业纯铁。
Fsurfacing welding the mold of forge in cast steel forging steel, also to repair the forge mold.
用于铸钢及锻钢上堆焊锻模、也可用于锻模的修复。
The company specializes in production of stainless steel forging door flower, railings, window grilles series.
本公司专业生产不锈钢锻造门花、栏杆、窗花系列。
PHC pipe pile plank in end is usually produced by cutting steel plank or forging, and then machining.
PH C管桩端板的通常生产方法是采用钢板切割或锻打成型，然后机加工而成。
Causes the steel to produce the hot brittleness, reduces the steel the ductility and the toughness, when forging and rolling crack.
使钢产生热脆性，降低钢的延展性和韧性，在锻造和轧制时形成裂纹。
The manufacturing and being in use quality control of forging steel rolling mill rolls was analyzed in this paper.
本文从制造和使用两个方面对锻钢轧辊的质量控制进行了分析。
Defects of crankshaft surface and body will produce important effect on engine reliability. This paper probes into flaw detection technology of forging steel and nodular cast iron of crankshaft.
曲轴表面及本体的缺陷，对发动机的可靠性有重要影响，对锻钢和球墨铸铁曲轴的探伤技术进行探讨。
These inclusions resulted in cracking of the cold forging steel during the cold heading process.
通过理化检测，对铆螺钢在冷镦时出现开裂的原因进行了分析。
Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。
Toughness of powder forging steel can be increased efficiently by diffusion annealing in longer time.
长时间扩散退火可有效地提高粉末锻造钢的韧性。
Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut.
一般地说，钢质棒料、锻件、铸件等只经一次粗切削和一次精切削即可达到所要求的形状和尺寸。
The result showed that ADI has better wear resistance than low alloy cast iron and forging steel.
结果表明，其耐磨性明显优于低合金球铁和锻钢。
The surface craze of 20 steel axle sleeve in free forging was analyzed by chemical , spectrum and miscrostructure analysis.
采用化学分析、金相检验、光谱分析等方法对20钢轴套的自由锻件表面产生的龟裂进行了分析。
Upon characteristics analysis of high speed steel, forging technology of high speed steel and sequential heat treatment have been introduced.
在分析高速钢特性的基础上，介绍了高速钢的锻造工艺及其锻后热处理。
HTMT significantly improves the ductility and fracture toughness of sintered steel and powder forging steel.
高温形变淬火显著改善烧结钢和粉末锻钢的延性和断裂韧性。
High temperature thermomechanical treatment (HTMT) is a kind of TMT. It has been applied in the production of sintered steel and powder forging steel.
高温形变淬火是形变热处理的一种，它在烧结钢和粉末锻钢的生产中得到了应用。
Commom internal dangerous defects of forging round steel are analyzed based on the production process.
结合生产工艺过程，分析锻制圆钢常见内在危害缺陷产生的原因。
The forging process for the super high strength steel TM210A has been further researched with several process tests, and more perfect forging parameter has been obtained as well.
通过多次工艺试验，对国产新材料超高强度钢tm 210a的锻造工艺进行了深入的研究。
For surfacing welding the mold of forge in cast steel and forging steel, also to repair the forge mold.
用于铸钢及锻钢上堆焊锻模、也可用于锻模的修复。
Normally, various shape steel materials required to pass through forging extrusion processing, and just purchased a flat plate were present in the plane of the physical properties.
一般情况下，各种形状的钢材物料需经过锻造挤压处理，而刚购入的钢板则呈现出平直平面的物理特性。
Sand and rusts removing of large-sized cast iron, cast steel, steel structures, large-sized forging and surface treatment of oxidized work pieces.
大型铸铁、铸钢件，钢结构件、大型锻件，热处理件的清砂、除锈去除氧化皮表面清理等。
This technology includes material selection, steel making, forging, heat-treatment and machining. The results of rolling test and inspection measurement are also presented.
包括材质的选择、钢的冶炼、锻造、热处理、机加工全套技术和上机试验与检测结果。
This paper introduces and analyses the applied examples of vibratory stress relieving in heavy shaft forging, seamless steel tube forgings... Crankshaft forgings and heavy weldment in our plant.
本文介绍了振动时效技术在我厂大型轴类锻件、无缝钢管锻件、曲轴锻件及大型焊接件上的应用实例并进行了分析。
Toughness of microalloyed forging steel should be improved with the increase of strength.
提高微合金非调质钢的强度需要改善其韧性。
Two phase structures and textures of a 15%mn steel in hot forging state and a tensile-deformed 20%mn steel were analyzed by orientation mapping based on EBSD technique.
利用EBSD取向成像技术初步分析了含锰15%的热锻态高锰钢和含锰20%的拉伸样品中的两相组织结构及取向特点。
The microstructure morphology of spheroidal graphite cast steel after as-casting, annealing, normalizing, forging was investigated emphatically in this paper.
重点分析了球墨铸钢铸态、退火、正火、锻造后的组织特征。
Professional factory production: forging stainless steel ring, mechanical seal parts, thick-walled stainless steel tube, and other kinds of non-products and accessories.
本厂专业生产：锻件特种不锈钢材料、机械密封配件、不锈钢厚壁管子等产品及各种非标配件。
The reason of cracking phenomenon occurring of the cold forging steel was analyzed by the composition and microstructure tests.
通过对铆螺钢的成分与组织检验，对铆螺钢在冷镦时出现开裂现象的原因进行了分析。
Major operations, nodular casting, steel casting, forging, welding, machining and so on.
主要经营，球墨铸造、铸钢、锻造、焊接、机加工等。
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