钢铁钒钛

Lü Qing-gong, CHEN Guang-nan, ZHOU Jia-cong, TANG Li

2001, 22(2): 1-8.

Abstract(87) PDF(2)

Abstract:
Forming mechanism and characteristics of textures in hot rolled steel sheep were introduced.Effect of chemical composition,reheating temperature,finishing temperature,rolling speed,cooling rate after rolling and lubrication on hot rolled texture was analyzed.The features of effect of hot rolled text...

EFFECT OF LOW FINISHING TEMPERATURE ON DEEP-DRAWING PROPERTIES OF St15 COLD ROLLED SHEET AND APPLICATION OF “1+3” ROUGH ROLLING PROCESS

CHANG Jun, CHENG Xing-de, SHE Guang-fu, ZUO Jun, ZHU Tao, LIU Yong

2001, 22(2): 9-13.

Abstract(69) PDF(2)

Abstract:
Effect of low finishing temperature on deep-drawing properties of cold rolled deep-drawing sheet(St15)is analyzed and the application of “1+3” rough rolling process is presented.In accordance with theoretical calculation and site experiments,the problem of low finishing temperature in the process of...

PROBLEMS AND COUNTERMEASURES FOR “1+3” ROUGH ROLLING PROCESS

ZHU Tao, ZHANG Zhong-ping, SHE Guang-fu, JIAO Jing-min, CHANG Jun, LI Xu-sheng, CHENG Xing-de

2001, 22(2): 14-18.

Abstract(55) PDF(1)

Abstract:
In accordance with a series of problems,such as down bend head and narrowing head and tail ends in the process of “1+3” rough rolling after the original rough rolling pass scheme of “3+3” is replaced by that of “1+3”,a part of problems caused by the use of new technology had been thoroughly solved t...

A STUDY ON INCREASING FINISHING TEMPERATURE OF HOT ROLLED PLATES

CHEN Yong, SHE Guang-fu, CHEN Ji-lin

2001, 22(2): 19-24.

Abstract(71) PDF(4)

Abstract:
A mathematical model in the process of hot rolling strip was developed according to the technological process of hot rolling in PZH Steel.The calculated values from the model are good agreement with measured ones, in temperature difference≤±15℃.Influence of rolling speed, rolling rhythm, rolling pas...

RESEARCH ON THE WELDING PROPERTIES OF HOT ROLLED SHIP PLATE

SONG Li-qiu, LUO Shou-bin, GUO Ai-lin

2001, 22(2): 25-32.

Abstract(62) PDF(1)

Abstract:
Continuous cooling transformation diagrams (Welding CCT diagrams) of hot-affect zone in hot rolled steel plate were developed to investigate the welding properties of hot rolled shipbuilding plate.According to them,the reasonable welding technique was selected to weld hot-rolled shipbuilding plate (...

HEAT TRANSFER CHARACTERISTICS OF MINUTE PARTICLE ILMENITE IN VIBRO-FLUIDIZED BED

CAI Ning, CHEN Chao-chun, WANG Ya-fu, ZHENG Shao-hua, YE Shi-chao

2001, 22(2): 33-36.

Abstract(57) PDF(1)

Abstract:
Through the method of measuring heat transfer coefficients,the heat transfer characteristics of minute particle ilmenite in vibro fluidized bed was investigated by use of minute particle ilmenite for experimental materials.The major affecting factors in the process of heat transfer were analyzed to ...

AN EXPERIMENTAL INVESTIGATION ON IMPROVEMENT OF SINTER GRADE INTO BF AT PZH STEEL

FU Wei-guo, LI Jian-ming, LI Jun, ZHANG Shan-kun, WANG Zhi-de

2001, 22(2): 37-42.

Abstract(52) PDF(1)

Abstract:
Sinter and blast furnace operations under the experimental conditions after improvement of sinter grade were introduced.The variations and characteristics of sinter burden ratio,sintering operation and smelting operation in up and down parts of blast furnace were analyzed.Through the investigation o...

SPECIAL INFLUENCE OF INJECTION OF PULVERIZED COAL ON SMELTING VANADIC TITANOMAGNETITE IN BF

HE Shao-gang, DU Si-hong, LIU Hu-lin

2001, 22(2): 43-45,51.

Abstract(71) PDF(2)

Abstract:
Through characteristic analysis on the vanadic titanomagnetite smelted in BF,it is realized that the injection of pulverized coal is advantageous to smelting vanadic titanomagnetite in blast furnace under the condition of complete combustion.Injection rate of coal could achieve the advanced level of...

IMPROVEMENT OF SERVICE LIFE OF ROTOR BLADES IN SINTERING EXHAUST FAN

LIN Jian-dong, TANG Yin-sheng, LIU Hong-ming, WANG Yi-quan, ZHANG Zhong-jiang

2001, 22(2): 46-51.

Abstract(62) PDF(1)

Abstract:
According to lower wear resistance and easier wear abrasion of rotor blade in sintering exhaust fan, proper electric current of carbon arc build-up welding and the technological parameters of injection welding are altogether selected for surface hardening by use of high chromium cast iron and inject...

DESIGN OF HIGH-POWER BOTTOM BLOWING COMPONENT AND APPLICATION OF IT TO V-RECOVERED CONVERTER

BAI Rui-guo, ZHANG Xing-li, XU Li-shan

2001, 22(2): 52-54.

Abstract(76) PDF(1)

Abstract:
Design of high power bottom blowing component and application of it to V-recovered converter were introduced in the paper.The effectiveness of V recovery in combined blown converter and the influence of various intensities of bottom gas supply on remaining vanadium in semi steel were analyzed.Finall...

A REVIEW AND PROSPECT FOR DEVELOPMENT OF COLD ROLLED STEEL SHEET AT PZH STEEL

CHENG Xing-de, ZHENG Zhi-wang, CHANG Jun, YU Meng-wen, TANG Li, ZHOU Yi-ping, ZHOU Jia-cong

2001, 22(2): 55-58.

Abstract(60) PDF(1)

Abstract:
In accordance with the features of enterprise, some special process technologies were developed to overcome the problems at the process technology and equipment during the development of cold rolled steel sheet products.A series of main cold rolled sheet and hot dip galvanized steel sheet products w...

APPLICATION OF STRAIN ANALYSIS IN THE STRETCH FORMING OF METAL SHEET

LU Guo-qing, QIU Xiao-gang, TANG Jian-wei, ZHANG Xiao-hua

2001, 22(2): 59-64.

Abstract(47) PDF(1)

Abstract:
Through strain analysis method, the strain distribution and deformation history of different areas in stretching cup under the process of tensile test were measured and investigated. The feature of strain distribution in typical stretching parts, JD90 motorcycle tank was analyzed as well.Finally a m...

DETERMINATION OF CARBON AND SULPHUR IN FERRO-MANGANESE- ALUMINIUM USING COMBUSTION-INFRA RED ABSORPTION METHOD

XU Ben-ping, TANG Jian-wei, TAN De-biao, YANG Xin-neng

2001, 22(2): 65-69.

Abstract(63) PDF(1)

Abstract:
Based on the international ISO standard analytical method,the accuracy to determine carbon and sulphur in ferro-manganese-aluminium using infra red absorption method was confirmed by means of standard curve method,standard addition method,recovery test and accuracy test etc..The enterprise standard ...

2001, 22(2): 70-72.

Abstract(55) PDF(1)

Abstract:

2001 Vol. 22, No. 2