High strength mixer components

Engineered for the rigorous demands of SDMIX KT30 series concrete mixers, our ultra-durable mixing arms are crafted to deliver exceptional performance in high-abrasion environments.

Description：   Engineered for extreme durability in SDMIX KT10 series concrete mixers, our heavy-duty mixing arms are manufactured to withstand the most demanding mixing conditions. Through our ISO 9001:2015 certified production process utilizing lost foam casting (EPC) and vertical flaskless molding technology, we achieve exceptional material density of 99.8%, ensuring structural integrity that resists deformation under heavy loads and continuous operation. The mixing arms feature our proprietary high-chromium alloy composition (29-32% Cr content) with strategic additions of nickel and molybdenum, refined in medium-frequency induction furnaces to create a uniform microstructure with hardness of 58-65 HRC. This advanced material technology provides 4.5x better wear resistance than standard arms, with independent verification confirming performance exceeding 300,000 cubic meters of concrete mixing – representing a 60% lifespan improvement over conventional components. Our digital engineering process includes finite element analysis to optimize stress distribution, reducing fatigue failure points by 52% while maintaining optimal mixing efficiency. Each arm is precision-machined to ±0.18mm tolerance, ensuring perfect compatibility with KT10 series mixers. The reinforced design incorporates rib strengthening technology that increases flexural strength to 650 N/mm² while maintaining impact toughness of 8.5 J/cm², ensuring reliable performance under heavy impact conditions. The metallographic structure (M7C3 carbides in martensitic matrix with secondary VC carbides) provides exceptional resistance to abrasive wear while maintaining structural flexibility. Our technical support team provides installation guidance and wear analysis, backed by comprehensive documentation including material certifications and test reports compliant with ASTM A532 Class III and GB/T 8263-2010 standards. Central Mixing Arm Right Mixing Arm Left Mixing Arm Central Mixing Arm Right Mixing Arm Left Mixing Arm Features and Advantages   Advanced Alloy Composition - 24-28% chromium with molybdenum/titanium additives ensures 68 HRC hardness and superior abrasion resistance. Structural Integrity Assurance - Lost-foam casting achieves 99.7% density with zero defects in critical angular sections. Perfect KT10 Compatibility - precision-machined to exact SDMIX specifications with ±0.2mm tolerance for effortless installation. Superior Mechanical Properties - Tensile strength 450 N/mm² with impact toughness ≥ 8 J/cm² for reliable performance under heavy loads.   Optimized Geometry - engineered profile reduces power consumption by 20% while enhancing mixing efficiency. Exceptional Service Life - Verified to exceed 250,000 cubic meters of concrete mixing with 50% longer lifespan than conventional blades. Universal Compatibility: Precision-engineered for mixer brands including BHS, AMMANN, NFLG, DEX, SICOMA, TEKA, and CONELE. Intelligent Production: Vertical flaskless molding line guarantees batch consistency. Production Line Capabilities   1、Vertical Flaskless Molding Line: Enables high-speed, large-batch production with minimal dimensional variance.   2、Lost Foam Casting: Delivers complex geometries and smooth surfaces for precise fitment.   3、Medium-Frequency Induction Furnace: Ensures uniform melting of high-chromium alloys (Cr content 15-28%).   Product Parameters:   model number tensile strengthσb/Mpa tensile strength0.2/Mpa elongation(%)  Fyi new model number equal old model number minimum value minimum value minimum value HBSBrinell hardness(BHS) main metallographic structure QT400-18 QT40-17 400 250 18 130-180 ferritle QT400-15 - 400 250 15 130-180 ferritle QT450-10 QT42-10 450 310 10 160-210 ferritle QT500-7 QT50-5 500 320 7 170-230 ferritle+pearlite QT600-3 QT60-2 600 370 3 190-270 pearlite+ferritle QT700-2 QT70-2 700 420 2 225-305 pearlite QT800-2 QT80-2 800 480 2 245-335 pearliteor tempered structure QT900-2 - 900 600 2 280-360 bainite or tempered martensite   Chemical composition(Mass fraction)(%) C Si Mn Cr Mo Ni Cu S P KmTBN14Cr2-DT 2.4~3.0 ≤0.8 ≤2.0 1.5-3.0 ≤1.0 3.3~5.0 - ≤0.10 ≤0.15 KmTBN14Cr2-GT 3.0~3.6 ≤0.8 ≤2.0 1.5-3.0 ≤1.0 3.3~5.0 - ≤0.15 ≤0.15 KmTBCr9Ni5 2.5~3.6 ≤2.0 ≤2.0 7.0-11.0 ≤1.0 4.5~7.0 - ≤0.15 ≤0.15 KmTBCr2 2.1~3.6 ≤12 ≤2.0 1.5~3.0 ≤1.0 ≤1.0 ≤1.2 ≤0.10 ≤0.15 KmTBCr8 2.1~3.2 1.5~2.2 ≤2.0 7.0~11,0 ≤1.5 ≤1.0 ≤1.2 ≤0.06 ≤0.10 KmlBCr12 2.0~3.3 ≤1.5 ≤2.0 11.0~14.0 ≤3.0 ≤2.5 ≤1.2 ≤0.06 ≤0.10 KmTBCr15Mo 2.0~3.3 ≤1.2 ≤2.0 14.0~18.0 ≤3.0 ≤2.5 ≤1.2 ≤0.06 ≤0.10 KmTBCr20Mo 2.0~3.3 ≤1.2 ≤2.0 18.0~23.0 ≤3.0 ≤2.5 ≤1.2 ≤0.06 ≤0.10 KmTBCr26 2.0~3.3 ≤1.2 ≤2.0 23.0~30.0 ≤3.0 ≤2.5 ≤2.0 ≤0.06 ≤0.1 model number equal old model number Chemical composition(Mass fra...