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China, Chinese Durable Hot-Rolled Carbon Steel Square Bar for Industrial Applications AISI 1045 / 45#1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsFlat SteelHot-Rolled Carbon Steel BarSquare Bar
Nanjing Evergrowing Resources Co., Limited
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Product DescriptionHot-rolled carbon steel square bar 45# / AISI 1045Superb Performance, Excellent Quality Hot-rolled carbon steel square bar 45# - The preferred material for infrastructure and industrial upgrading in KazakhstanSpecification1.The perfect combination of high strength and wear resistance, as a high-quality medium-carbon steel,45# steel has a carbon content of 0.42-0.50%,after quenching and tempering treatment,its tensile strength is ≥ 600 MPa, yield strength is ≥ 355 MPa,and hardness can reach HRC 55-58. This characteristic makes it perform exceptionally well when subjected to heavy loads,and is widely used in key mechanical components such as gears, shafts, and molds. It is particularly suitable for photovoltaic supports (for 3GW projects) and structural components of electric vehicle charging stations in the energy sector of Kazakhstan,and can withstand extreme temperature differences (-40°C to + 50°C) and sand erosion in the Central Asian region.2.The outstanding processing adaptability of the hot-rolled process endows it with excellent cutting performance. It can be processed using high-speed cutting and large feed rates. During welding, by preheating at 150-250℃ and performing post-weld tempering treatment, cracks can be effectively avoided.This characteristic significantly reduces the production costs of local processing enterprises -according to calculations, using 45# square steel can increase the mechanical processing efficiency by 20% andreduce the welding defect rate to below 1.5%.Application scenarious and solutionsInfrastructure sector: Used for load-bearing components of bridges (with 18% higher flexural strength than ordinary steel), the framework of high-rise buildings (with seismic resistance level up to 8 degrees), and road guardrails (with 30% enhanced impact resistance). In conjunction with Kazakhstan's "New Road" program, we can provide custom lengths (up to 12 meters) and special sections (such as those with anti-slip teeth design) of square steel to meet complex engineering requirements.? Mechanical manufacturing: As the core material for machine tool spindles and automotive transmission shafts, its quenching and tempering treatment results in comprehensive mechanical properties (hardness HRC 20-30, impact energy 39J) that ensure equipment operates without faults for 100,000 hours. ? New energy sector: Suitable for photovoltaic support systems (compatible with Q235B/Q355B materials) and charging station steel structures. The surface can be treated with hot galvanizing (zinc layer thickness ≥ 85μm), and the salt spray test lasts for 1,000 hours without rusting.After Sales ServiceStandard Warranty: 12 months or 2,000 operating hours (whichever comes first).Extended Warranty: Optional coverage up to 36 months.Global Support: 24/7 technical assistance and spare parts supply.Training: On-site or remote operation/maintenance training.Company ProfileEvergrowing Resources Co. LtdEvergrowing Resources Co., Limited was set up on 2016. But we have our best team who worked in steel material business and services more than 15years. And we have build our good cooperation with most of steel mills in China, also with some good mills on other countries.Our global experience allow us to connect customer and supplier all over the world. And we are the leader in our major international market all the time.FAQQ: What’s the lead time for orders?A: Standard models ship in 15–30 days; customized units require 30–45 days.Q: Do you provide after-sales service overseas?A: Yes, we have partnered service centers in key regions.Q: Can I request a customized bucket size?A: Absolutely! We offer tailored attachments.Q: What documents do you provide for export?A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).Q: How do I place an order?A: Contact us via email/phone for a quote, then confirm with a PO.
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