碳钢

The inhibition effect of cinnamic aldehyde and its synergistic inhibition effect with cinnamic aldehyde on corrosion of NX60 carbon steel were investigated by using poteniodynamic scan technique.

用动电位扫描法研究了在盐酸腐蚀介质中单组分肉桂醛缓蚀剂以及它与苯扎溴铵的协同效应对X60碳钢缓蚀作用的影响，并探讨了协同缓蚀机理

The heavy-caliber petroleum pipe line, the air conduit, the seamless steel pipe, the welded pipe, the stainless steel steel pipe (Fang Xing, moment, circle stainless steel pipe and so on), fittings, the cold rolling seamless tube, the box thread seamless steel pipe, the cold draw seamless steel pipe, the corrosion preventing special steel pipe, the compo pipe, the boiler pipe, the bushed bearing and so on conical seamless steel pipe, seamless heterogeneous steel pipe, metal corrugated pipe, industry welded pipe, carbon steel tube and so on, construct the steel pipe, the multiple-unit tube, the compound steel pipe, the wire conduit, the thread steel pipe welded steel pipe, the pot galvanize steel pipe, the electricity galvanization steel pipe, the KBG line drive pipe, the delivery pipe and so on;..

大口径输油管、输气管、无缝钢管、焊管、不锈钢钢管（方型、矩型、圆型不锈钢管等）、锥型无缝钢管、无缝异型钢管、金属波纹管、工业焊接管、碳钢管等配件、冷轧无缝管、内螺纹无缝钢管、冷拔无缝钢管、防腐蚀特种钢管、合金管、锅炉管、轴承管等、建筑钢管、复合管、复合钢管、导线管、螺纹钢管焊接钢管、热镀锌钢管、电镀锌钢管、KBG线路导管、供水管等；。。

I began making knives part-time in 1993 for local sportsmen and outdoor enthusiasts who appreciated high performance tools and handmade craftsmanship. In 1994, I started hand-forging carbon steel blades and making basic Damascus steel.

本人从93年开始兼职制刀，主要顾客为本地酷爱运动和户外活动人士，这些人喜欢高性能的工具和手工制品。94年开始手工锻造碳钢刀具和大马士革钢。

Mainly engaged in: stainless steel 202,304,316, copper, aluminum, high-strength carbon steel GB, American Standard, S Day, German standard of the outer hexagon, internal hexagon, Ping Cup, Yuan Cup screws, tight set (machine-processed rice) screws, open sale, axis with circlips, ring openings, flat pad, flexible sale, the Quartet nut, hexagonal nut, welding nut, pull rivet nut, rivet nut pressure, flange nut, nylon self-locking nuts, nut dish, cover type nut, flat keys Article teeth, the cylindrical pin, internal tooth, external tooth, double-headed screws, wood screws Festival, self-tapping screws, self drilling screws, machine screws , hexagonal key.

主要经营：不锈钢202、304、316、铜、铝、高强度碳钢国标，美标，日标，德标的外六角，内六角，平杯、元杯螺丝，紧定螺丝、开口销，轴用卡簧、开口挡圈，平垫，弹性销，四方螺母，六角螺母，焊接螺母，拉铆螺母，压铆螺母，法兰螺母，尼龙自锁螺母，碟型螺母，盖型螺母，牙条平键条，圆柱销，内齿，外齿，双头螺丝，活节螺丝，自攻螺丝，自钻螺丝，机螺丝，六角匙。

The case hardenability of carburized steels were experimentally investigated and someapplications of isoharness curve are discussed.

本文对渗碳钢的渗层淬透性进行试验研究，并论述了等硬度曲线的某些应用。

In the present study, the effect of pre-heat treatment of isothermal normalizing on the structure and performance of 20CrMoH gear steel were studied, and the effects of the parameters of different carburizing on the microstructure in carburized layers of the steel were also investigated.

本文研究了20CrMoH 汽车齿轮用渗碳钢的预先热处理等温正火工艺对组织和性能的影响，还研究了不同渗碳热处理工艺参数对渗碳层显微组织的影响。

To study high temperature corrosion behavior on materials during solid waste incineration, laboratory corrosion tests were performed to iron, cast iron, 20# carbon steel, stainless steel in oxidizing gaseous environments which included O〓, SO〓, H〓O, HCl, Cl〓and some ashes coming from self-designed incinerator, the Xunde's one and synthetic ashes. The synthetic ashes are used as corrodents composed of chlorides , sulfates and oxides.

最后，本论文为揭示材料垃圾焚烧过程中的高温腐蚀行为，借助于腐蚀重量实验，X-射线衍射仪，扫描电子显微镜，电子能谱等分析测试手段，研究了铁、铸铁、20#碳钢和不锈钢在垃圾焚烧环境中的高温腐蚀行为及腐蚀动力学。

The experiment results show that the vibration may accelerate abrasion and aggravate the localized corrosion due to the fact of non-homogeneous distribution of corrosives and debris created in above process.

结果显示，单纯的压力作用不会对碳钢产生严重腐蚀，但振动作用能加速磨损腐蚀，磨屑及腐蚀产物的堆集，造成这一区域的不均匀分布，从而产生严重的局部腐蚀。

The influence of mixed colonies composed of Micrococ cus and sulfate-reducing bacteria on corrosion behavior of 45# carbon ste el was studied using open cir cuit potential,polarization curve and AC-impedance.

皮振邦，樊友军，华萍等摘要：采用开路电位测量、极化曲线和电化学交流阻抗研究了由小球菌和硫酸盐还原菌构成的混合菌种对45#碳钢腐蚀行为的影响。

Some elastomers and metals such as carbon steel may become brittle at low temperatures and will easily fracture.

一些人造橡胶和金属，如碳钢在低温下会变脆，从而容易破裂。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐