GB T-3077 20CRNIMO Round bar,20CRNIMO Bearing steel GB T-3077 20CRNIMO Round bar,20CRNIMO Bearing steel,20CRNIMO round bar United steel Round bar factory export GB T-3077 High carbon chromium round bar,The main steel grade is 12CRNI3 ..45CRNI 50CRNI 12CRNI2 12CRNI3 20CRNI3 30CRNI3 37CRNI3 12CR2NI4 20CRNIMO 40CRNIMOA 12CRNI3MOA 18CR2NI4WA The effect of laser scanning speed on microstructural May 01,2020 12CrNi2 pdf#0183;According to simulated TTT curve of 12CrNi2 alloy steel in Fig.7(b),it can be predicted that the main phase of DLD-processed 12CrNi2 alloy steel was banite.At the same time,different laser scanning speed resulted in different cooling rates,so the amount of bainite,ferrite and martensite would vary with the laser scanning speed.Surface modification of low alloy steel by laser melting Surface modification of low alloy steel (LAS) has been achieved by laser melting and Ni alloying.Specimens of LAS were coated with Ni by PVD and electro-deposition techniques followed by laser
Translate this pageSurface hardening of laser melting deposited 12CrNi2 alloy steel by enhanced plasma carburizing via hollow cathode discharge HighlightsLaser melting deposition (LMD) technology fabricated 12CrNi2 alloy steel.Plasma carburizing effectively hardened the LMD fabricated alloy steel.Hollow cathode discharge increased the carburizing kinetics.AbstractPlasma carburizing of 12CrNi2 alloy Surface hardening of laser melting deposited 12CrNi2 alloy Sep 15,2020 12CrNi2 pdf#0183;Gas atomized 12CrNi2 steel powder with an average particle size of about 150 m with chemical composition as Table 1,was used for LMD of samples.The substrate was a 15 mm thick 304 stainless steel plate,and its surface was ground to 400-grit SiC paper and then degreased with acetone before the LMD process.Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456Next
Request PDF Multi-material Additive Manufacturing by 3D Plasma Metal Deposition for Graded Structures of Super Duplex Alloy 1.4410 and the Austenitic Corrosion Resistant Alloy 1.4404Materials Free Full-Text On the Features of Composite In recent years,additive manufacturing technologies have become increasingly widespread with the most intensive development being direct metal deposition (DMD),alloys,and ceramic materials on a metal substrate.This study shows the possibilities of the effective formation of coatings,based on heterogeneous metal alloys (Ni-based alloy and Fe-Al bronze) deposited onto 1045 structural steel.Materials Free Full-Text Numerical Simulation and The work is original and relevant to scope of journal because it considered the comparative analysis of numerical simulation and experimental study on residual stress in curved surface forming of 12CrNi2 alloy steel by laser melting deposition.It is conducted with the help of new empirical methods -
The performance and service life of the nuclear emergency diesel engine shaft made of 12CrNi2 alloy steel is very important for the safety of nuclear power.Laser melting deposition (LMD) is a challenging camshaft-forming technology due to its high precision,rapid prototyping,and excellent parts performance.However,LMD is an unsteady process under the local action of laser,especially for Material Comparison For Steel Plate16Mn STS49 STPT49 G3455 G3456 A210-C St52.4 St52 1.0832 1.0831 DIN1629/4 Low Alloy DIN1629/3 Steel Pipe 15MnV STBL39 G3464 16Mn STPL39 G3460 A333-1.6Laser melting deposition of a porosity-free alloy steel by Jan 01,2019 12CrNi2 pdf#0183;The purchased 12CrNi2 alloy steel powder was produced by the gas atomizing process.Its chemical composition is listed in Table 1,which contains 0.085C,0.55Cr and 0.53O (by weight percentage).The chemical compositions of the alloy steel printed by the original powder and the powder mixed with 4 wt% Cr particles was also showed in Table 1.The O concentration was measured by
Corresponding Author.E-mail address [email protected] Fraunhofer Institute for Material and Beam Technology IWS,Winterbergstra 12CrNi2 pdf#223;e 28,D01277 DresdenInfluence of crack driving force on correlating stress Jul 23,2020 12CrNi2 pdf#0183;Damage tolerance evaluation under service loads requires a unified constant amplitude fatigue crack growth law for the material with nullified stress ratio effects.Several types of crack driving force parameters have been proposed in the past to correlate stress ratio effects on fatigue crack growth rates in various materials.In the present investigation,an effort was made to use four IOP Conference Series Materials Science and Engineering The simulation results show that in the process of LMD,the peak temperature of molten pool increases with the increase of layers; the peak temperature of the node increases with the increase of laser power and the decrease of printing speed.The research results in this paper would be reference for LMD of 12CrNi2 alloy steel.
Aug 12,2020 12CrNi2 pdf#0183;In this paper,three CrNiV series low-alloy steel with different C contents were fabricated by laser melting deposition (LMD) technique.Subsequently,the formability,microstructure and properties of LMD CxCrNiV low-alloy steel were evaluated.The results are as follows with the increase in C content,the formability of low-alloy steel has decreased.Formability,Microstructure and Properties of C x CrNiV Aug 12,2020 12CrNi2 pdf#0183;In this paper,three CrNiV series low-alloy steel with different C contents were fabricated by laser melting deposition (LMD) technique.Subsequently,the formability,microstructure and properties of LMD CxCrNiV low-alloy steel were evaluated.The results are as follows with the increase in C content,the formability of low-alloy steel has decreased.File Size 1MBPage Count 3The martensitic strengthening of 12CrNi2 low-alloy steel Dec 01,2020 12CrNi2 pdf#0183;12CrNi2 low-alloy steel belongs to a high strength and ductile family of the alloy steels,and is used as the crankshaft for nuclear power emergency diesel generators .Cr is a strong carbide forming element,which can improve the hardness and wear resistance of engineering parts  .
Rotating bending fatigue test at very high cycle regimes was carried out on martensitic steel of 2Cr13 in air and 3.5% NaCl environment.The result showed that the SN curve presents a stepwise tendency over the range of 10 6 10 8 cycles in both air and 3.5% NaCl environment.In air fatigue,cracks initiated from the sample surface and inclusions at subsurface and no typical fish eye Enhancement of StrengthDuctility Balance of the Laser A ferriteaustenite 12CrNi2 alloy steel additively manufactured by laser melting deposition (LMD) was heat treated by direct quenching (DQ) and tempering inter-critical quenching (TIQ) at 800 12CrNi2 pdf#176;C for enhancing its strengthductility balance.Both heat-treated alloy steels have the martensiteferrite dual-phase (DP) microstructures.The volume fractions of martensite in the two treated Effects of Substrate Preheating Temperatures on the The 12CrNi2 metallic powder-based laser cladding deposition studied in the present paper will be mainly used for the production of camshafts for nuclear power emergency diesel engines,which provides a theoretical basis for ensuring safe operation and independent development.From a report by Murr et al.,it is known the recent progress has
The 12CrNi2 metallic powder-based laser cladding deposition studied in the present paper will be mainly used for the production of camshafts for nuclear power emergency diesel engines,which provides a theoretical basis for ensuring safe operation and independent development. compared with the standard PDF card,un-preheated,preheated at Effects of Substrate Preheating Temperatures on the The 12CrNi2 alloy steel powder studied in the present paper is mainly used to manufacture camshafts for nuclear power emergency diesel engines.Laser cladding deposition is of great significance for the manufacture of nuclear power emergency diesel camshafts,which has the advantages of reducing material cost and shortening the manufacturing cycle.Effect of powder oxygen content on microstructure and Request PDF Effect of powder oxygen content on microstructure and mechanical properties of a laser additively-manufactured 12CrNi2 alloy steel Two 12CrNi2 alloy steel powders,one with high-O
PDF (PC) 68 Abstract Abstract Direct laser metal deposition was used for preparing blocks of steel 12CrNi2 using four different laser powers under two different deposition environments including atmospheric environment and Ar-protected chamber.The results showed that microstructures and mechanical properties were significantly affected by Effect of laser power and deposition environment on the Direct laser metal deposition was used for preparing blocks of steel 12CrNi2 using four different laser powers under two different deposition environments including atmospheric environment and Ar-protected chamber.The results showed that microstructures and mechanical properties were significantly affected by different laser powers.Increasing laser power and deposition in Ar chamber will Defects and post-manufac- turing processes of additively 95 Z.Dong,H.Kang,Y.Xie,C.Chi,X.Peng Effect of powder oxygen content on microstructure and mechanical properties of a laser additively-manufactured 12CrNi2 alloy steel,Materials Letters 236 (2019),pp.214217 DOI 10.1016/j.matlet.2018.10.091 Crossref Google Scholar
12CrNi2 Chemical Composition,Mechanical Properties,Heat Treatment,12CrNi2 Datasheets,12CrNi2Supplier Author Pan Bao - [email protected] Subject 12CrNi2 Datasheets Keywords 12CrNi2 Chemical composition,12CrNi2 mechanical properties,heat treatment,12CrNi2 Datasheets,12CrNi2 Supplier TCPDF Created Date 2/26/2021 2:52:11 PMCited by 2Publish Year 2020Author Xuan Zhao,Xuan Zhao,Yaohui Lv,Shiyun Dong,Shixing Yan,Xiaoting Liu,Yuxin Liu,Peng He,TiesongMaterials Free Full-Text Effects of Substrate The 12CrNi2 alloy steel powder studied in the present paper is mainly used to manufacture camshafts for nuclear power emergency diesel engines.Laser cladding deposition is of great significance for the manufacture of nuclear power emergency diesel camshafts,which has the advantages of reducing material cost and shortening the manufacturing cycle.However,due to the extremely uneven heating Cited by 13Publish Year 2018Author Chenggang Ding,Xu Cui,Jianqiang Jiao,Ping ZhuMR5070The chemical compositions of 12CrNi2 high strength steel powders (wt,%) Elements C Ni Cr Mn Si V Mo S P O Fe Content 0.064 2.01 1.53 1.0 0.06 0.46 0.70 0.008 0.010 0.043 Bal The LAM of 12CrNi2 high strength steel thin wall was performed with a LAM system consisting of a 10 kW fiber laser,a powder feeding unit and an argon atmosphere chamber
Effect of laser power and deposition environment on the microstructure and properties of direct laser metal-deposited 12CrNi2 steel Mohamad Ebrahimnia 1,Yujiang Xie 1 (),Changtai Chi 2 1 Zhejiang Handsome Intelligent Remanufacturing Technology Co.Ltd,Jiaxing,314000,China 2 Institute of Metal Research,Chinese Academy of Sciences,Shenyang,110016,ChinaChemical composition,Mechanical,physical and Chemical composition % of the ladle analysis of grade 12CrNi2 C Si Mn P S Cr Ni Mo V 0.10-0.17 0.17-0.37 0.30-0.60 0.60-0.90 1.50-1.90 W N Cu Co Pb B Nb Al Other Ti Ta Mechanical properties of grade 12CrNi2 Annealing hardness HBS Cold pull hardness HBS Preheatin g temperat ure 12CrNi2 pdf#176;C Quenching temperature 12CrNi2 pdf#176;C Holding time min Hardening mediumAuthor Zhaoxing Cui,Xiaodong Hu,Shiyun Dong,Shixing Yan,Xuan ZhaoPublish Year 2020Scanning velocity influence on microstructure evolution Jul 01,2020 12CrNi2 pdf#0183;Fig.6 shows the grain diameter distribution and the grain boundaries maps of 12CrNi2 low alloy steel specimens fabricated at different laser scanning velocity.As seen from Table 4 and Fig.6(ac),the as-deposited 12CrNi2 alloy steel displayed mainly -Fe phase with BCC structure and a small number of Cr 23 C 6.A trace of Fe 3 C was also
Stainless steel is more and more widely used in industry and life.304 stainless steel has been widely used because of its lower price and better corrosion resistance.In this paper,according to the phenomenon of the crack of the adapter strip made of 304 stainless steel when used on the ship,the reason of the crack is analyzed from the aspects of design,technology and use,and the reasons Analysis of Microstructure and Properties of High Strength The vehicle axle is the main bearing part of the vehicle transmission,which needs to carry large power and torque.The axle is processed with high-strength steel.In order to verify the material properties of the axle and confirm whether it meets the design requirements,the chemical composition,mechanical properties,microstructure and metal inclusions of the axle are analyzed.Alloy Steel Material Comparision - ansonsteels12CrNi2 3115 14NiCr10 SNC21 10NC11 14NC11 12CrNi3 3310 13NiCr12 SNC22 10NC12 14NC12 655A12 655M 13 20CrNi3 22NiCr14 20NC11 30CrNi3 28NiCr10 31NiCr14 SNC2 30NC11 30NC12 37CrNi3 35NiCr18 SNC3 35NC15 12Cr2Ni4 E3310 14NiCr18 12NC15 20Cr2Ni4 E3316 22NiCr14 20NC14 659A15 659M 15 20CrNiM o 8620 8720 20NiCrM o2 21NiCrM o2
Effect of laser power and deposition environment on the microstructure and properties of direct laser metal-deposited 12CrNi2 steel Mohamad Ebrahimnia 1,Yujiang Xie 1 (),Changtai Chi 2 1 Zhejiang Handsome Intelligent Remanufacturing Technology Co.Ltd,Jiaxing,314000,China 2 Institute of Metal Research,Chinese Academy of Sciences,Shenyang,110016,ChinaASTM A519 4130 Pipes 4130 Tubing 4130 Tube- SP MetalASTM A519 4130 Pipes Packing Plastic plugs in both ends,bundles of max.3,000kg with several steel strips,Two tags on each bundle,Wrapped in waterproof paper and sackcloth with several steel strips ASTM A519 4130 Pipes Delivery Condition Annealed (A),Bright Annealing,Normalized (N),Stress Relief Or Finish Anneal (SR),Quenched and Tempered (Q+T),etc.AISI 4140 PipesA519 AISI 4140 PipesAISI 4140 Alloy AISI 4140 Seamless Pipe is tubing made to the pipe schedule.Alloy pipe in the power industry generally refers to A335 material,but in the oil and gas market,4140 Pipe is used.This product is made to the pipe schedule but uses A519-4140 as the controlling Seamless specification.
AISI 4130 Seamless Pipe is tubing made to the pipe schedule.Alloy pipe in the power industry generally refers to A335 material,but in the oil and gas market,4130 Pipe is used.This product is made to the pipe schedule but uses A519-4130 as the controlling Seamless specification.AISI 4130 Pipes 4130 Tubing - 4130 Tube - SAE AISI 4130Get QUICK QUOTE now (best price guaranteed) AISI 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents.We stocks all AISI 4130 Pipes,4130 Tubing,4130 Flanges,4130 Pipes Fittings,4130 Elbow etc.12345NextAlloy-Structure-Steel12crni2 snc415 10n11,(snc21) 16nc11 12xh2 12crni3a snc815 10nc12,(snc22) 14nicr10 (1.5732 )-3415 665m13 14nc12 12xh3a 12cr2ni4a (e3310),(3310) ,(e3316) 3316 12nc15 12x2h2a 20crni -3120 -3120 635m15 20nc6 20xh 20crni3a 20nc11 20xh3a 20cr2ni4a -3325 30nc14 20x2h4a
A preview of the PDF is not available.Citations (0) 12CrNi2 low-alloy steel is studied.The results show that LMD 12CrNi2 mainly consists of the ferrite and some Cr23C6 carbides.(PDF) A Review of SLMed Magnesium Alloys Processing Energy density range of the SLMed magnesium and its alloys [26,28,32,37].(This picture was drawn by the author; the data in the figure come from citations). The role of particle size on the laser sintering of The effects of powder particle size on the densification and microstructure of iron powder in the direct laser sintering process were investigated.Iron powders with particle sizes ranging from 10 to 200 12CrNi2 pdf#181;m were used.It was found that the sintered density increases as the laser energy input is increased.There is,however,a saturation level at which higher density cannot be obtained even at