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China, Chinese 40cr 41cr4 5140 Qt Steel Round Bar / Grade 8.8 Gr. 8.8 Qt Bolts Material1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsSteel Round BarSteel Round BarQt Steel Round Bar
Laiwu Xincheng Metal Co., Ltd.
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Product Description 40cr 41Cr4 5140 Qt Steel Round Bar / Grade 8.8 Gr. 8.8 Qt Bolts Material1.Introduction of Grade8.8 QT steel barGr.8.8 round bars is the right material for Gr.8.8 threaded rods, anchor bolts, stud bolts , such high strength steel round bars, our processing usually have : Hot rolled, Hot rolled+Q&T, Cold drawn+Q&t, Peeled+Q&T and so on.Our QT processing will be done through the Medium frequency quenching furnace, which can gurantee the good straightness. so during the production of threading, it will have no hurt to the mould.2.AISI 5140/Gr8.8 Steel Chemical composition:ElementContent (%)Iron, Fe97.395-98.07Manganese, Mn0.700-0.900Chromium, Cr0.700-0.900Carbon, C0.380-0.430Silicon, Si0.150-0.300Sulfur, S≤ 0.0400Phosphorous, P≤ 0.03503.Equivalent grade to SAE 5140ASTMJISDINBSNF5140SCr44041Cr4(1.7035)530A4042C4 4.Gr.8.8 Steel propertiesYield Strength(MPa)Tensile Strength(MPa)Elongation(%)Reduction of area (%)Hardness(HRC)660(min)830(mIn)12%(min)52%(min)Max 325.Delivery condition and sizes we can offer:Hot rolled :16mm to 300mmCold Drawn:6mm to 100mmQ&T (Quenched&Tempered): 6mm to 300mm6.Advantages of our Grade8.8 steel round barSmoth surface and Good straightnessPrecision size tolerance for cold drawn & QT steel Customized length Standard mechanical proeprtiesUniformed hardnessAnti-rusty packagesCompetitive priceLarge quantity stockFast deliveryProfessional service7.MOQ: 1ton per size8.Delivery time : 7-30 days upon to your order details.9.Quality control:Process for Steel round barBlast Furnance→ Molten Iron Pretreatment→Converter→LF→VD/RH→ContinuousCasting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→Finish ProductEAF→LF→VD/RH→ Continuous Casting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→ Finish ProductWe company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries , if you have any need for our producrs,please contact us freely.10.Why choose us :Capability from Raw material to processing to final products under one Roof . Highest customer satisfactionEconomy of products Absolute reliability Highly-qualified and motivated personnel No tolerance of errorsContinuous optimisation of all processes To stand apart from competition, the company provides unparalleled value added services to its esteemed customers. The company is pledged to honor its commitment for every order and when great products are backed-up by great services, the combination becomes irresistible.iso grade 8.8 bolt,grade 8.8 round bars,grade 8.8 bolt,grade 8.8 equivalent material,grade 8.8 hot rolled black bar,grade 8.8 round bars with length 12ft or 3660mm,AISI 5140 40Cr steel round bar Quenched and tempered, Gr.8.8 steel round bar for anchor bolts, Grade 8.8 qt steel round bar for threaded rods. grade8.8 steel bar qt manufacturer, grade8.8 steel round bar , hot rolled and qt , cold drawn and qt, Laiwu xincheng metal co.,ltd, gr.8.8 round bar supplier in china. 40cr qt steel, 40cr hot rolled steel round bars, 40cr qt to grade8.8 properties.
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