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// Product Description //
| Out Diameter | 13.7mm-914mm |
| Wall Thickness | 2mm-120mm |
| Length | 2m-12m |
| Producing Standard | American ASME B36.10M, ASTM API 5L, API 5CTJapanese JIS, German DIN, Chinese GB, BS standard |
| Steel Grade | ASTM A53, A106, A210, A252, A178, A333, A335, SAE1018, SAE1020, SAE1045 etc;API 5L PSL1: A, B, x42, x46, x52, x56, x60, x65, x70API 5L PSL2: B, x42, x46, x52, x56, x60, x65, x70, x80JIS SS400, STPG42, G3454, G3456 etc;DIN St35, St35.8, St37, St42, St45, St52, DIN1626, DIN17175 etc;GB 10#, 20#, 45#, Q235, Q345, Q195, 16Mn, 27SiMn, 20Cr, 40Cr, 12CrMo, 15CrMo, 30CrMo, 35CrMo, 42CrMo etc; |
| Special specifications | Available according to customer's requirements and quantity. |
| End Shape | Beveled end, plain end, varnished, or adding plastic caps to protect the two ends as per customer's requirements |
| Surface treatment | Painted, Oiled, galvanized, phosphate etc |
| Usage | Widely used in the mechanical treatment field, petrochemical industry, transport and construction field2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc |
| Third party inspection | Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products. |

Shandong Zhongxuan Steel is more than just a product supplier; we are your trusted industry partner
We are committed to providing one-stop steel material solutions for domestic and international customers, meeting the needs of different industries for high-performance materials.
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We are manufacturer,We are able to satisfy customers’ individuation.
High Quality Products
Cold-rolled steel, hot-rolled steel, galvanized steel, galvanized steel, color-coated steel and other products
Provide Excellent Service
we have established long-term and win-win partnership with many large steel manufacturers
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// Professional Showcase · Safe Shipping //
In the shipping process, we strictly adhere to standardized operating procedures: we employ customized packaging solutions that are moisture-proof, scratch-proof, and deformation-proof, and each batch of products is reinforced according to international shipping standards. Whether it's full container export or domestic dedicated truck delivery, we achieve end-to-end visualized management from warehousing, packaging, labeling to logistics tracking, ensuring that goods are delivered safely and on time to customers worldwide.
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Certificate qualification
As a modern integrated steel enterprise, Shandong Zhongxuan Steel Group not only strives for excellence in its production and service systems, but also consistently adheres to the highest industry standards, establishing a rigorous, standardized, and international quality control and certification system. The company's products comply with international standards such as Japanese JIS, American ASTM/AISI, and European EN, and some products have obtained CE certification, meeting the access requirements of multiple global markets.
“We’ve been working with Zhongxuan Steel for over two years, and they’ve become a true partner in our business growth. Not only is their material quality consistent, but they also take the time to understand our needs and offer practical suggestions. In a market where trust is hard to find, they stand out as honest, professional, and dependable.”
Supply Chain Manager, Netherlands
“Working with Zhongxuan Steel feels professional and stress-free. Their team speaks clear English, answers fast, and keeps us updated at every step — from production to shipment. For any overseas buyer looking for a trustworthy Chinese steel partner, I highly recommend them.”
Industrial Equipment Supplier, South Africa
“What sets Zhongxuan apart is their customer care. They treat every order — big or small — with the same attention. We started with a small trial, and now they’re our main supplier. Transparent pricing, clear documentation, and no hidden fees.”
Trading Company Director, United Kingdom
“We needed a steady supply of steel plates for our infrastructure projects in Southeast Asia. Zhongxuan Steel has delivered every order on schedule, even during busy seasons. Their logistics support made international shipping much easier than we expected.”
Project Procurement Manager, Singapore
“We’ve been importing steel from China for years, and Zhongxuan Steel is by far the most reliable supplier we’ve worked with. Their materials arrive on time, well-packaged, and exactly as described. No surprises — just consistent quality and honest communication.”
Construction Materials Importer, Australia
“Great experience from start to finish! The team responded quickly to our inquiries, helped us choose the right products, and shipped everything within the promised timeline. Our customers noticed the improved quality of our metal products right away.”
Manufacturing Business Owner, Canada
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