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{"title":"High Stength Alloy Structural Steel 20Cr2Ni4A Hot Rolled Bar With Heat Treatment","imgUrl":"https:\/\/img.ismap.com\/nimg\/77\/91\/ff1b6e6bfd8656ed051f6bdd2210-200x200-1\/high_stength_alloy_structural_steel_20cr2ni4a_hot_rolled_bar_with_heat_treatment.jpg","attrs":{"Brand Name":"Bao Steel","Model Number":"20Cr2Ni4A","Certification":"SGS ISO","Place of Origin":"China"}}
{"title":"A105 Forged Solid Steel Round Bar OD 130MM ASME A105 Boiler","imgUrl":"https:\/\/img.ismap.com\/nimg\/da\/e1\/cf046e8bf716b9b48bae7e9be95d-200x200-1\/a105_forged_solid_steel_round_bar_od_130mm_asme_a105_boiler.jpg","attrs":{"Brand Name":"MITTEL TISCO BAO STEEL","Model Number":"A105","Certification":"SGS ISO MTC","Place of Origin":"China"}}
{"title":"Alloy Tool Steel Round Machined Bars 5140 40cr Scr440 Hot Rolled 5140","imgUrl":"https:\/\/img.ismap.com\/nimg\/c9\/4b\/2cebc4558b9b1837f87af5dbd9fe-200x200-1\/alloy_tool_steel_round_machined_bars_5140_40cr_scr440_hot_rolled_5140.jpg","attrs":{"Brand Name":"MITTEL TISCO BAO STEEL","Model Number":"5140 40cr Scr440","Certification":"SGS ISO MTC","Place of Origin":"China"}}
{"title":"38CrMoAl Alloy Structure Steel Round Bar DIN 1.8509 41CrAlMo7-10 Forged Rod","imgUrl":"https:\/\/img.ismap.com\/nimg\/a5\/62\/18c60850509389e76c13b25d96b5-200x200-1\/38crmoal_alloy_structure_steel_round_bar_din_1_8509_41cralmo7_10_forged_rod_650mm.jpg","attrs":{"Brand Name":"MITTEL TISCO BAO STEEL","Model Number":"38Crmoal DIN 1.8509","Certification":"SGS ISO MTC","Place of Origin":"China"}}
{"title":"Monel 400 Annealing Alloy Steel Round Bar Cold Rolled Round Rods","imgUrl":"https:\/\/img.ismap.com\/nimg\/1a\/1f\/d25f4bdc9be2c972ed1ca2bd6249-200x200-1\/monel_400_annealing_alloy_steel_round_bar_cold_rolled_round_rods.jpg","attrs":{"Brand Name":"TISCO,BAO STEEL","Model Number":"Monel 400 UNS NO4400","Certification":"SGS,ISO","Place of Origin":"CHINA"}}
{"title":"Black Hot Rolled and Forged Alloy Steel Round Bar DIN 1.6580 30CrNiMo8 20-420mm","imgUrl":"https:\/\/img.ismap.com\/nimg\/84\/fd\/78569f8238ab30cad4fd4fd18441-200x200-1\/black_hot_rolled_and_forged_alloy_steel_round_bar_din_1_6580_30crnimo8_20_420mm_dia.jpg","attrs":{"Brand Name":"TISCO,BAO STEEL","Model Number":"30CrNiMo8","Certification":"SGS,ISO","Place of Origin":"CHINA"}}
The material 20Cr2Ni4A is a kind of structural alloy steel. 20 cr2ni4a is high quality alloy steel and it has high strength,toughness and hardenability.For 20Cr2Ni4A steel, there is no direct quenching after carburizing in order to reduce surface residual austenite. 20Ci2Ni4A’s cutting and cold deformation plasticity is general and it has poor weldability.
20 Cr2Ni4A is widely used for large cross-section carburized parts, such as large gear, shaft, and conditioning components requiring high strength, and good toughness.
20Cr2Ni4A condition of delivery: heat treatment(Normalizing, Annealing, or high temperature tempering) or do not heat treatment state.
If you have need for 20Cr2Ni4A forged round bar, 20Cr2Ni4A forged square bar, 20Cr2Ni4A forged square bar, 20Cr2Ni4A forged shafts and 20Cr2Ni4A forged blocks. Please contact with us freely. Bebon will offer you more than your expect.
20Cr2Ni4A | 20Cr2Ni4A process | 20Cr2Ni4A heat treatment process
Update: 2015/3/18View: 1278
Title: 20Cr2Ni4A | 20Cr2Ni4A process | 20Cr2Ni4A heat treatment process
Mark: 20Cr2Ni4A
Specification: Complete specifications
Memo: 20Cr2Ni4A
Price: RMB
Promotion: RMB ( 0 Customers Bought)
Introduction
Product Name: Alloy structural steel Steel: 20Cr2Ni4A Digital Code: A43202 Steel Group Series: CrNiA Implementation of the standards: GB / T3077-1999 Delivery status: hot-rolled or annealed, the specific delivery status should be indicated in the warranty book. Steel: Xining Special Steel, Dongbei Special Steel, Chongqing Special Steel. 20Cr2Ni4A carburizing steel for high-strength alloy steel, with good mechanical properties, hardenability, strength and toughness are more than 12CrMi3 steel. 20Cr2Ni4A forging good performance, forging heating temperature of 1200 ℃, initial forging temperature of 1150 ℃, final forging temperature higher than 850 ℃, slow cooling after forging. 20Cr2Ni4A chemical composition range of values: Note: The actual chemical composition of the steel quality books to prevail. 20Cr2Ni4A Carbon C: 0.17 ~ 0.23 20Cr2Ni4A Si Si: 0.17 ~ 0.37 20Cr2Ni4A Manganese Mn: 0.30 ~ 0.60 20Cr2Ni4A sulfur S0.035 20Cr2Ni4A phosphorus P0.035 20Cr2Ni4A chromium Cr: 1.25 ~ 1.65 20Cr2Ni4A Ni Ni: 3.25 ~ 3.65 20Cr2Ni4A copper Cu0.030 20Cr2Ni4A mechanical properties of a range of values: Note: The actual mechanical properties of the steel quality books to prevail. Tensile strength b (MPa)1175 Yield strength s (MPa)1080 Elongation 5 (%)10 Section shrinkage (%)45 Impact energy Akv (J)63 Impact toughness kv (J / cm2)78 Hardness269HB Sample size: Sample size is 18mm rough 20Cr2Ni4A heat treatment process: Quenching temperature: the first heating 880 ℃; the second heat 780 ℃; coolant: Oil Tempering heating temperature: 200 ℃; Coolant: water, air 20Cr2Ni4A purposes: For the manufacture of small and medium sized cars, tractor engine and transmission in gear, manufacture of high performance core part of carburized parts, cyanide parts, such as oil drilling and metallurgical open pit with claws and teeth cone body. Note: Hot this month alloy structural steel: 35CrMnSiA, 60Si2Mn, 30CrMnTi, 42CrMo, 16MnCr5,50CrVA, 15CrMo and so on.
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
