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Our 5140 alloy structure steel, equivalent to the DIN 1.7035 grade, is a highly dependable medium-carbon material designed for heavy-duty industrial operations. Containing approximately one percent chromium, this material delivers exceptional hardenability alongside superior comprehensive mechanical properties after undergoing proper quenching and tempering processes. We supply this versatile material to clients worldwide, ensuring each batch meets precise structural requirements for demanding mechanical engineering environments.
Production Route: | EAF+LF+VD ,Forged or Hot Rolled |
Heat Treatment: | Quenched+ Tempered or Annealed |
Hardness: | acc. to customer requirement |
UT Standards: | Sep 1921 Class3 D/d |
Surface Condition: | Black surface or machined |
Size Range: | |||
Flat | Round | ||
Forged | Thickness: | 150-650mm | Φ200-700mm |
Width: | 400-1600mm | ||
Rolled | Thickness: | 12-200mm | Φ12-250mm |
Width: | 150-2300mm | ||
Chemical Composition | C | Si | Mn | Cr | P | S | Ni | Cu |
5140 | 0.38~0.43 | 0.15~0.35 | 0.70~0.90 | 0.70~0.90 | ≤0.035 | ≤0.04 | ||
1.7035 | 0.38~0.45 | ≤0.40 | 0.60~0.90 | 0.90~1.20 | ≤0.035 | ≤0.035 | ||
SCr440 | 0.38~0.43 | 0.15~0.35 | 0.60~0.90 | 0.90~1.20 | ≤0.03 | ≤0.03 | ≤0.25 | ≤0.30 |
We utilize advanced EAF, LF, and VD production routes to manufacture our forged alloy steel materials. This process guarantees a refined internal structure with excellent machinability for subsequent fabrication steps. Clients can easily apply induction surface hardening techniques to our supplied materials, significantly increasing the wear resistance of the final components without compromising the inherent core toughness required for dynamic mechanical loads.
Sourcing from a reliable special steel distributor ensures that every piece delivers dependable structural integrity. Our materials undergo stringent ultrasonic testing according to the Sep 1921 Class 3 D/d standard to guarantee a flaw-free internal composition. The balanced combination of strength and toughness makes this material an incredibly cost-effective and secure choice for general engineering components that face continuous rotational or tensile stress.
The robust nature of our SCr440 alloy steel makes it an industry staple for manufacturing critical automotive and machinery components. Manufacturers consistently utilize our materials to forge durable crankshafts, steering knuckles, and heavy-duty splined shafts. These specific applications require materials that can safely endure continuous rotational stress and fatigue over long periods, making our meticulously tested steel the ideal industrial solution.
Facilities that produce industrial fasteners frequently select our 1.7035 structural steel to manufacture high-strength bolts, connecting rods, and medium-load gears. The material's responsive nature to heat treatment allows engineers to achieve the exact hardness levels needed for these crucial connecting elements. Utilizing our premium steel ensures the final fasteners and gears maintain strict dimensional stability under severe operational pressures.
Beyond dynamic machinery components, our medium-carbon alloy steel serves exceptionally well within the tooling and molding sectors. Mold makers frequently implement this material as a solid base or dependable holder in complex mold steel assemblies. In these specific structural applications, extreme surface hardness is less critical than overall structural integrity and dimensional consistency, making our steel an economical yet highly effective supportive choice.
As the dedicated sales division of the expansive Hubei Zhongye Mill, ShengHe Metal provides direct access to a completely integrated industrial production chain. Our headquarters operates across 1.6 million square meters, utilizing massive 5000-ton forging presses and comprehensive heat-treatment furnaces. This massive in-house capability allows us to tightly control both material quality and production costs from raw melting to final machining.
We operate an independent laboratory fully equipped to perform exhaustive chemical analyses, mechanical tests, and microstructure evaluations. Our professional quality control team implements a strict four-step inspection procedure spanning from pre-production scheduling to final pre-shipment container loading. This rigorous testing framework ensures that every batch of steel we deliver perfectly aligns with international specifications and client expectations.
We operate our own massive production facility in Hubei province, covering 1.6 million square meters. We maintain a regular stock of various materials to ensure quick and flexible supply for our clients.
We produce and supply materials according to international standards including GB, DIN, ASTM/AISI, EN, ISO, and JIS. Our production lines ensure precise chemical composition and mechanical properties for every order.
Our standard minimum order quantity is approximately 25 tons, which equals one shipping container. Clients can mix different types and grades of materials to reach this required volume efficiently.
Yes, we gladly provide material samples to clients at no cost. The requesting party is only responsible for covering the express delivery charges for the international shipment.
