X42 Carbon Steel Round Bar
Our mill-direct manufacturing infrastructure delivers high-yield API 5L Grade X42 carbon steel round bars engineered for high-pressure fluid couplings, heavy-duty industrial flange production, and critical structural applications. We guarantee absolute chemical uniformity, precision concentricity tolerances, and mill-certified structural performance backed by our rapid 2-hour technical quoting layout.
Tired of waiting for slow factory email replies while your rigid project bidding deadline slips away? Terrified of low-grade carbon rods that fail strict API site inspections and ruin your company’s engineering reputation? Lock down your mill-verified testing records right now.
PRODUCT DETAILS
High-Yield Pipeline Carbon Steel Round Bar Three-Standard Cross Matrix
| American Pipeline Spec (API / ASTM) | European Standard (EN Spec) | International Standard (ISO / GB) | Available Diameter Range | Chemical & Mechanical Performance Core |
|---|---|---|---|---|
| API 5L Grade B / ASTM A105 | EN 10208 L245 / S245 | ISO 3183 L245 / GB Q245R | 10mm – 450mm / Hot Rolled Black | Yield ≥245 MPa, General Machinery Grade |
| API 5L Grade X42 / PSL1 & PSL2 (Target Grade) | EN 10208 L290 / S290 Structural | ISO 3183 L290 / GB L290 | 12mm – 400mm / Cold Drawn & Precision Peeled | Yield ≥290 MPa, Tensile ≥415 MPa, Charpy Impact Verified |
| API 5L Grade X52 / PSL2 | EN 10208 L360 / S360 | ISO 3183 L360 / GB L360 | 16mm – 500mm / Heavy Forged Stock | High-Pressure Heavy Industrial Infrastructure Stock |
Technical QA/QC Verification
• EN 10204 3.1 Material Test Certificates (MTC) & Charpy V-Notch Stress Audits: All heavy commercial pipeline lots are accompanied by verified original MTC tracking sheets, itemizing matching heat numbers, precise yield strength ratios, and sub-zero temperature impact toughness values. Our materials are fully optimized to pass independent visual, mechanical, and chemical third-party audits from SGS, Bureau Veritas, or Intertek.
• Sovereign Capital Security Framework: To protect international fluid-conveyance engineering contractors and corporate buyers from currency market fluctuations and unexpected project timeline exposures, we authorize all high-volume global allocations under 100% Irrevocable Letters of Credit (L/C) at sight financial protocols.
Internal Protection & Ocean Logistics
• Timber-Choked Rigid Frame Palletization & Cross-Bracing: Finished structural bundles are firmly nested inside heavy iron chassis frames or solid wooden crates to completely eliminate linear bending, friction scratching, or shifting during seaport crane terminal operations. The maritime container lot is cross-braced with heavy steel tension straps.
• Complimentary 14-21 Days Extended Destination Port Demurrage Buffer: SXY Steel Group pre-embeds up to 21 days of extended free container demurrage into your ocean Bill of Lading, protecting your custom clearing brokers from unexpected port-side terminal processing penalties.
X42 Carbon steel round bar is the round bar with steel grade of X42.
Now the common round steel processes are hot rolling, forging and cold drawing. The steel quality and application scope of these three processing modes will also have some differences. For example, the specification of hot rolling is generally 5.5-250MM, and the appropriate steel can be selected according to the actual needs.
Generally, parts are manufactured by machinery or used as seamless steel pipe blanks, and steel is also used in some building construction.
Round steel has relatively high strength, high hardenability and very good toughness, so its pressure bearing capacity is also guaranteed. Even if it is used at high temperature, the creep strength is high and the durability is also guaranteed.
X42 Steel Specifications
| Parameter | Description |
|---|---|
| Material | X42 |
| Thickness | 0.1mm-300mm or as required |
| Standard | AISI, ASTM, DIN, BS, JIS, GB, SUS, EN, etc. |
| Technique | Hot rolled, cold rolled |
| Surface Treatment | Clean, blasting and painting according to customer requirement |
| Thickness tolerance | ±0.1mm |
| Application | It is mainly used to make structural parts such as car girder, beam, transmission shaft and car chassis parts, which can reduce the weight of the parts. |
| Shipment time | Within 7-15 workdays after receiving deposit or L/C |
| Export packing | Waterproof paper, and steel strip packed. Standard Export Seaworthy Package. Suit for all kinds of transport, or as required |
| Capacity | 250,000 tons/year |
Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural
steel for machinery. Both of them are simple section steel, and their section shapes are respectively round and square. Low carbon is mainly used for
drawing wire, forging rivets, bolts, nuts and other metal products of raw materials. Medium carbon round steel and square steel
are generally used to make mechanical structural parts.
Customer feedback and packaging and transportation
Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.
Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.
Factory workshop
With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.
Free Pipeline Component Nesting Optimization Analysis & Structural Drawing BOM Audit
Engineering high-pressure pipeline couplings, industrial heavy flanges, infrastructure structural components, or replying to a high-volume international commercial steel procurement tender? Upload your target rod lengths, diameter tolerances, cut plans, or raw engineering Bill of Materials (BOM) drawing files below. SXY Steel Group’s engineering department will execute a complete nesting calculation to cut scrap metal losses and safeguard your production budget.
