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China, Chinese Seamless Steel Pipe and Tube for Large Displacement Motorcycle Steering Column1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsSteel Pipe TubeSeamless Steel Pillar TubingSeamless Steel Tube
Fujian Bluesky Pipe Manufacturing Co., Ltd.
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Product Description Product DescriptionMotorcycle pillars are indispensable structural supports that seamlessly ensure the connection between the frame and body of your motorcycle. Their primary role is to valiantly support the weight of both the body and passengers. The critical importance of these pillars cannot be overstated. Should they ever fail, the motorcycle's ability to operate safely and reliably is severely compromised, potentially leading to serious safety incidents. The primary materials used for crafting motorcycle pillars include robust carbon steel and versatile alloy steel.1. Carbon Steel: This remarkable steel variant contains crucial carbon elements, offering an outstanding combination of strength and plasticity at a relatively economical cost. It stands as one of the most commonly used materials for motorcycle pillars, thanks to its widespread reliability and performance.2. Alloy Steel: Enhanced with additional alloying elements alongside carbon, alloy steel boasts exceptional strength and hardness. Ideal for high-load, high-strength motorcycles, it offers superior performance, albeit at a relatively higher cost, ensuring unmatched durability and resilience.Detailed Photos Product Parameters Specializing in the production of premium steel pipes tailored for motorcycle pillars, our company offers an extensive range of specifications. Choose between black or saponified surfaces. We proudly provide dedicated support services to prestigious motorcycle brands globally, including Honda, Suzuki, Yamaha, Daye, Haojue, and more. GRADEexternal diameterwall thicknessinternal diameterGRADEexternal diameterwall thicknessinternal diameter35#37.59.751820#35.66.82242CrMo35.5623.520#35.57.320.935#35.17.552020#34.510.313.920#34.55.323.935#34.5916.537Mn533.86.92020#32.16.219.720#32.15.221.720#/35#326.419.220#3262035#326.1519.720#325.1521.720#326.0519.920#31.55.320.920#31.5423.520#30.75.419.920#30.64.82120#30.65.32020#30.64.82135#30.57.216.120#30.55.319.920#30.53.523.520#/35#30.56.517.535#30.55.319.920#29.55.251920#29.44.520.420#29.44.7519.920#29.44.520.420#29.44.7519.920#29.3519.320#295.51820#2951935#2991120#28.6322.620#2842020#27.54.751820#27.54.318.920#27.54.518.520#27.55.251720#27.54.251920#26.54.751720#26.53.519.520#263.8518.3Q355264.417.220#25.74.317.120#25.73.851835#/20#25.6515.620#25.43.518.420#25.44.21720#25.44.71620#25.4319.420#2541720#24.54.315.920#24.54.751520#23.13.551620#23317 Equivalent Material referance:GBTOCTASTMBSJISNFDIN20201020050A20S20CXC18C22,CK2245451045080M46S45CXC45C45,CK4540Cr 514041Cr4SCR44041Cr4/38Cr4 41Cr4/42Cr440Mn2 1340 SMn438 42Mn6 37Mn5 Standardsteel gradechemical composition%CSiMnPSJIS G3445STKM11A≤0.12≤0.35≤0.60≤0.040≤0.040STKM12A≤0.20≤0.35≤0.60≤0.040 ≤0.040 STKM12BSTKM12CSTKM13A≤0.25≤0.350.30-0.90≤0.040≤0.040STKM13BSTKM13CSTKM14A≤0.30≤0.350.30-1.00≤0.040≤0.040STKM14BSTKM14C Standardsteel grademechanical propertyTensile strength(Mpa)yield strength(Mpa)elongation(%)JIS G3445STKM11A≥295 ≥35STKM12A≥345≥175≥35STKM12B≥390≥275≥25STKM12C≥470≥355≥20STKM13A≥375≥215≥30STKM13B≥440≥305≥20STKM13C≥510≥380≥15STKM14A≥410≥245≥25STKM14B≥500≥355≥15STKM14C≥550≥410≥15 GRADEchemical composition%CSiMnCrNiMoGuPS20#0.17~0.230.17~0.370.35~0.65≤0.25≤0.30----≤0.20≤0.035≤0.03545#0.42~0.500.17~0.370.50~0.80≤0.25≤0.30----≤0.20≤0.035≤0.03540Cr0.37~0.440.17~0.370.50~0.800.80~1.10≤0.30≤0.1≤0.20≤0.030≤0.03040Mn20.37~0.440.17~0.371.40~1.80≤0.30≤0.30≤0.1≤0.20≤0.030≤0.03037Mn0.30~0.390.15~0.301.20~1.50≤0.35≤0.30≤0.1≤0.20≤0.020≤0.015 steel grade+C(BK)+LC(BKW)+SR(BKS)+A(GBK)+N(NBK) Rm(Mpa)A(%)Rm(Mpa)A(%)Rm(Mpa)Reh(Mpa)A(%)Rm(Mpa)A(%)Rm(Mpa)Reh(Mpa)A(%)104308380104003001633524320~4502152720550552085203751239021440~570255213559055507---51017≥460280214564546306---590145403401825Mn650658085804501049018---Q355B640458075804501045022490~63035522Q420B750462086905901252022550~7004252225CrMo72046706--------42CrMo72046706--------Testing ItemscategorySerial NumberInspection itemstechnical requirementTesting methodsSampling frequency1.appearance1checkCheck if the identification sheet matches the specifications, furnace batch number, and materialvisualizationall2SURFACE QUALITYThere are no defects such as rust, cracks, peeling, or pulling marks on the inner and outer surfacesvisualizationTake 2 samples from each batch2.size3Outer diameter * wall thicknessAccording to the drawing requirementsOutside micrometer and Wall thickness micrometerTake 10 samples from each batch4inside diameterAccording to the drawing requirementsdial caliper gugeTake 10 samples from each batch3.mechanical property5flattenAccording to technical requirements, cracks or fissures are not allowed to appear when pressed to a certain heightUniversal testing machineTake 2 samples from each batch6flaringAccording to the technical requirements, there should be no cracks at the expansion point when the expansion reaches the required sizeUniversal testing machineTake 2 samples from each batch7Bend and breakThe fracture surface is delicate and uniform, with obvious plastic deformation and no visible reflective grainsUniversal testing machineTake 2 samples from each batch8stretchTensile strength, yield strength, and elongation meet technical requirementsUniversal testing machineTake 2 samples from each batch9Element contentThe element content meets the standard requirementsa spectrometerTake 2 samples from each batchOur Advantages 1. Consistent Quality: We promise unwavering uniformity in quality.Backed by years of experience, we proudly support leading motorcycle factories worldwide, earning the trust of our partners through our dependable expertise. 2. Complete Set of Molds: Our comprehensive mold collection guarantees faster delivery times, meeting your urgent needs with precision.3. Precision and Accuracy: Our precisely engineered dimensions significantly reduce machining time and enhance efficiency for your subsequent turning processes. FAQQ: Are you trading company or manufacturer?A: We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.Q:Will you delivery the goods on time?A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.Q: Do you provide samples ? is it free or extra?A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.Q: How can I get your quotation as soon as possible?A: The email and fax will be checked within 24 hours,meanwhile,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.Q: Do you have any certifications?A: Yes,that's what we guarantee to our clients. we have IS09000,IATF16949 certinicate,ISO 14001 certificates etc.Our products are of high quality and we have professional engineers and development team.Q: What is your terms of payment?A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipmenit or paid against copy of B/L within 5 working days. 100% Irrevocable L/C at sight is favorable payment term as well.Q: Do you accept the third party inspection?A: Yes absolutely we accept.
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