Good translation of the Metal Products (Shanghai) alloy structural steel company (domestic alloy structural steel / imports of alloy structural steel) 35crmnsia alloy structural steel / 35crmnsia, steel / 35crmnsia steel bars / 35crmnsia coil / 35crmnsia strip / 35crmnsia, steel pipe / 35crmnsia wire (good Translated Metal Products (Shanghai) Co., Ltd.) 
 Grade: 35CrMnSiA 
 Standard: GB / T 3077-1988 
 Outline 
 Use 
 35CrMnSiA used to manufacture medium-speed, overloading, high strength, high toughness of the parts and high-strength components. 
 Used for the manufacture of high load, high-speed variety of important parts such as gears, shaft, clutch, sprocket wheel shaft, bushings, bolts, nuts, etc., but also for the manufacture of wear, and not part of the operating temperature, variable load welded components, such as high pressure blower blades, valve plate, as well as non-corrosive pipe tube 
 Physical properties 
 Chemical composition 
 Carbon C: 0.32 ~ 0.39 
 Silicon Si: 1.10 ~ 1.40 
 Mn Mn: 0.80 ~ 1.10 
 Sulfur S: Allow the residual content of ≤ 0.025 
 Phosphorus P: Allow the residual content of ≤ 0.025 
 Chromium Cr: 1.10 ~ 1.40 
 Ni: to allow the residual content of ≤ 0.030 
 Cu: to allow the residual content of ≤ 0.025 
 Mechanical properties 
 Tensile strength σb (MPa): ≥ 1620 (165) 
 Yield strength σs (MPa): ≥ 1275 (130) 
 Elongation δ5 (%): ≥ 9 
 Reduction of area ψ (%): ≥ 40 
 Impact energy Akv (J): ≥ 31 
 The impact toughness αkv (J/cm2): ≥ 39 (4) 
 Hardness: ≤ 241HB 
 Sample Size: Sample 
 Heat treatment and microstructure 
 Heat Treatment Specification: (1) quenching: the first 950 ℃, the second 890 ℃, oil cooling; tempering 230 ° C, air cooling, oil cooling; (2) 880 ° C in 280 ~~ 310 ℃ temperature quenching. 
 Delivery status: heat treatment (normalizing, annealing, or high-temperature tempering) with or without heat treatment delivery, the delivery status should be indicated in the contract. 
 The company provides domestic and imported alloy structural steel varieties, complete specifications, special specifications can be customized processing. Division I and the original certificates, material certificates (chemical composition, mechanical properties) of the class parameters Please pay attention to obtain a copy of the public are welcome to the user to inquire Order, the Company will be free shipping! Other materials, if necessary, welcome to inquire order. 
 Customers in ordering materials, the need to sample customers, please note, MOQ: 50KG (包邮) the number of excellent price, welcome you to call to order this material Our commitment: quality assurance Cheaper prices, excellent! Honesty! 

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