| Customization: | Available |
|---|---|
| After-sales Service: | 24h Online |
| Warranty: | One Year |
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Standard:
GB6479 - A benchmark set by the China National Standard for exceptional quality.
Uses:
Specially utilized as seamless steel pipes for high-pressure fertilizer equipment and pipelines, promising robust and efficient operation.
Main production steel pipe grades:
Our diverse range includes steel pipe grades such as 10, 20, 16Mn, 10MoWVNb, 12CrMo,15CrMo, 1Cr5Mo, 12Cr2Mo, and more, ensuring a perfect match for your specific requirements.
Dimensional Tolerances
| Pipe Types | Diameter(D) | Wall thickness(S) | ||
| Outer diameter of steel pipe(mm) | Permissible deviation(mm) | Wall thickness of steel pipe(mm) | Permissible deviation(mm) | |
| Cold Drawn Pip | >30~50 | ±0.3 | ≤30 | ±10% |
| >50~219 | ±0.8% | |||
| Hot Rolled Pipe | >219 |
±1.0% | >20 | ±10% |
Mechanical Properties:
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Impact work (J) | Brinell hardness (HB) |
| GB6479 | 10 | 335~490 | ≥205 | ≥24 | / | -20ºC≥18 |
| 20 | 410~550 | ≥245 | ≥24 | ≥39 | -20ºC≥18 | |
| 16Mn | 490~670 | ≥320 | ≥21 | ≥47 | -40ºC≥21 | |
| 10MoWVNb | 470~670 | ≥295 | ≥19 | ≥62 | ||
| 12CrMo | ≥410 | ≥265 | ≥24 | ≥78 | / | |
| 15CrMo | 440~640 | ≥235 | ≥21 | ≥47 | ||
| 1Cr5Mo | 390~590 | ≥195 | ≥22 | ≥94 | ||
| 12 Cr2Mo | 450~600 | ≥280 | ≥20 | ≥38 |
Chemical Composition:
| Standard | Grade | Chemical Components(%) | |||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | ||
| GB 6479 |
10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.030 | ≤0.030 | / | / | / |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.030 | ≤0.030 | / | / | / | |
| 16Mn | 0.12~0.20 | 0.20~0.60 | 1.20~1.60 | ≤0.030 | ≤0.030 | ||||
| 10MoWVNb | 0.07~0.13 | 0.50~0.80 | 0.50~0.80 | ≤0.030 | ≤0.030 | / | 0.60~0.90 | / | |
| 12CrMo | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.035 | ≤0.035 | 0.40~0.70 | 0.40~0.55 | ≤0.30 | |
| 15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.030 | 0.80~1.10 | 0.40~0.55 | / | |
| 1Cr5Mo | ≤0.15 | ≤0.50 | ≤0.60 | ≤0.030 | ≤0.030 | 4.00~6.00 | 0.45~0.60 | ≤0.60 | |
| 12 Cr2Mo | 0.80~0.15 | ≤0.50 | 0.40~0.70 | ≤0.030 | ≤0.030 | 2.0~2.50 | 0.90~1.20 | ||
1. Our robust packaging solutions include export sea-worthy packages, meticulously wrapped with waterproof paper, ensuring that your products are protected from the elements and remain pristine throughout their journey.
2. Expert teams dedicated to safe loading and secure fixing oversee every step of the process, ensuring that each shipment is handled with the utmost care and precision.
Delivery Detail: Your order will be swiftly processed and dispatched within 7-10 working days upon receiving the deposit. Alternatively, we can tailor the delivery time to accommodate the specific quantity of your order, ensuring a seamless experience tailored just for you.
Wuxi Tongno Special Steel Co., Ltd. Wuxi Tongno Special Steel Co., Ltd. was established in 2013, with a substantial registered capital of 5 million yuan, marking its status as a leader in the seamless steel pipe manufacturing industry. Over the years, the company has experienced remarkable growth and development, establishing itself as a formidable enterprise in the production of superior quality seamless steel pipes. With a reputation built on expertise and innovation, Wuxi Tongno continues to make significant strides in the industry. Tongno Special Steel Co., Ltd. now boasts three advanced production lines dedicated to seamless steel pipe manufacturing;
The company is renowned for its adherence to various high standards and materials, producing according to specifications such as GB/T8163, GB5310, GB6479, GB9948 in materials like 10 #, 20 #, 16Mn, 15CrMo, 1Cr5Mo, 1Cr9Mo, 12Cr1MOV, 12Cr2Mo, and many others. These products cater to a wide range of industries including mechanical engineering, power generation, oil and gas, petrochemicals, automotive, and construction. Our seamless pipes are designed to meet the diverse needs of these sectors, making them ideal for mechanical structures and various industrial applications.
Wuxi Tongno Special Steel Co., Ltd. is committed to a business philosophy of 'quality first, customer first', ensuring products are of exceptional precision with a wide range of thicknesses available. Our ability to produce small quantities of varied types swiftly has positioned us at the forefront of the domestic market. Particularly, we excel in producing small-diameter, medium-thick-walled, and large-calibre, thin-walled alloy seamless steel pipes, achieving domestic recognition for our advanced production capabilities. Our products are revered both at home and abroad, supporting a myriad of construction projects and showcasing our manufacturing prowess.
1. Exceptional Service: We pledge to respond to all inquiries within a swift 12-hour timeframe, ensuring your needs are addressed promptly.
2. Certifications: We proudly boast ISO 9001, CE, and SGS certifications, underscoring our commitment to quality and reliability.
3. Cost-Effective Quality: Experience unmatched competitive pricing paired with superior quality, thanks to direct sourcing from our own state-of-the-art factory.
4. Robust Production Capacity: Our production prowess shines with a formidable monthly output of 20,000 tons, ensuring seamless and efficient manufacturing.
5. Flexible Payment Terms: We accommodate a variety of payment methods, including the convenience of T/T and L/C, for your ease.
6. Swift Delivery & Standard Export Packaging: Rely on prompt delivery and products meticulously packaged to align with rigorous international export standards.
7. Factory-Direct Advantage: Our factory-direct model empowers us to offer competitive pricing without sacrificing an ounce of quality.
8. Third-Party Testing: We invite any third-party testing to validate the impeccable quality of our high-pressure steel tubes.
9. Expert Team Support: Supported by a team of seasoned professionals and our dependable factory, we ensure unparalleled service.
10.Dedicated to Customization: Your unique specifications aren't just welcomed-they're crucial to our service. We are dedicated to fulfilling every custom request with precision and care.
√ Quality Assurance: Rigorous testing and certification
√Competitive Pricing: Cost-effective solutions without compromise
√ Reliable Delivery: On-time fulfillment guaranteed
√ Custom Solutions: Tailored to your exact specifications
√ Expert Support: Technical guidance at every stage
For further inquiries or specific requirements, please contact our sales team. We're committed to providing exceptional service and top-quality steel products for your projects.
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