Heat & Corrosion Resistant ASTM A213 A335 T11 T22 T5 T9 Seamless Tube for Refinery Heater Tube Coils
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| Customization: | Available |
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| After-sales Service: | 24h Online |
| Warranty: | One Year |
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Basic Info.
- Model NO.
- 10, 20, 16Mn, 12CrMo,15CrMo, 1Cr2Mo, 1Cr5Mo, etc.
- Type
- Seamless/Welded
- Technique
- Hot/Cold Rolled,Cold Draw,ERW,Saw,Efw,Extrude
- Material
- Carbon,Stainless,Alloy
- Surface Treatment
- Black/Varnishing/Polished/Oiled/Galvanized
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
- Section Shape
- Round
- Payment
- T/T L/C
- Certificate
- CCS, ABS, BV ISO9001
- Thickness
- 0.4~8mm, Customizable
- Length
- 1000~6000mm, Customizable
- Width
- Customizable
- Delivery
- at Stock or 7-15 Days According to The Quantity
- MOQ
- Low MOQ
- Quality Control
- 100% Inspection
- Secondary or Not
- Non-Secondary
- Sample
- Provide
- Standard and Grade-01
- 10, 20, 16mn, 12crmo, 15CrMo, 1cr2mo, 1cr5mo, etc.
- Grade
- 201 304 304L 316 316L 309S 310S
- Transport Package
- Neutral Standard Export Seaworthy Packing
- Specification
- Customizable
- Trademark
- Tongno
- Origin
- Wuxi China
- Production Capacity
- 200000ton/Year
Product Description
It is widely used in the manufacture of structural and mechanical parts, such as oil drilling rods, automobile drive shafts, bicycle frames, and steel scaffolding used in building construction. With oil cracking pipe manufacturing ring-shaped parts, can improve the material utilisation rate, simplify the manufacturing process, save materials and machining hours, such as rolling bearing rings, jack bushings, etc., the current has been widely used in the manufacture of steel pipe. Petroleum cracking tube or a variety of conventional weapons indispensable materials, gun barrels, gun barrels and so on to petroleum cracking tube to manufacture. Petroleum cracking tube according to the shape of the cross-sectional area of different can be divided into round tube and shaped tube. Since the area of oil cracking pipe is the largest under the condition of equal perimeter, more fluid can be transported by round pipe.
Standard:
GB9948--China National Standard
Main production steel pipe grades:
10, 20, 16Mn, 12CrMo,15CrMo, 1Cr2Mo, 1Cr5Mo, etc.
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) |
| GB9948 | 10 | 330~490 | ≥205 | ≥24 | / | / |
| 20 | 410~550 | ≥245 | ≥21 | ≥39 | / | |
| 16Mn | 450~600 | ≥275 | ≥20 | ≥34 | / | |
| 12CrMo | ≥410 | ≥265 | ≥24 | ≥78 | / | |
| 15CrMo | 440~640 | ≥235 | ≥21 | ≥47 | ≤170 | |
| 1Cr2Mo | ≥390 | ≥175 | ≥22 | ≥92 | ≤179 | |
| 1Cr5Mo | ≥390 | ≥195 | ≥22 | ≥92 | ≤187 |
Chemical composition:
| Standard | Grade | Chemical Components(%) | |||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | ||
| GB9948 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.15 | / | ≤0.25 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | / | ≤0.25 | |
| 16Mn | 0.12~0.20 | 0.20~0.60 | 1.20~1.60 | ≤0.030 | ≤0.030 | ≤0.30 | / | / | |
| 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 | ≤0.035 | ≤0.035 | 0.80~1.10 | 0.40~0.55 | ≤0.30 | |
| 1Cr2Mo | ≤0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.035 | ≤0.030 | 2.15~2.85 | 0.45~0.65 | / | |
| 1Cr5Mo | ≤0.15 | ≤0.50 | ≤0.60 | ≤0.035 | ≤0.030 | 4.00~6.00 | 0.45~0.60 | ≤0.60 | |
1.Export sea worthy package + water proof paper
2.Safe loading and fixing Professional teams
Delivery Detail: within 7-10 working days after receiving the deposit or according to your order quantity.
Wuxi Tongno Special Steel Co., Ltd. was founded in 2013, the registered capital of 5 million yuan, for the professional production of seamless steel pipe manufacturing enterprises; after years of rapid development, Wuxi Tongno Special Steel Co., Ltd. now has three types of seamless steel pipe production line;
Wuxi Tongno Special Steel Co., Ltd. has been adhering to the 'quality first, customer first' business philosophy, to ensure that the products of high-precision, wide range of wall thicknesses, small quantities of many varieties, fast-paced characteristics of the production, sales in the domestic advanced level, especially in the small-diameter medium-thick-walled and large-calibre thin-walled alloy seamless steel pipe production at the domestic advanced level. Level. Products at home and abroad enjoy a reputation for a variety of project construction, play their own characteristics of manufacturing energy.
1. Exceptional Service: We guarantee a response to all inquiries within 12 hours.
2. Certifications: Proudly holding ISO 9001, CE, and SGS certifications.
3. Cost - Effective Quality: Benefit from competitive prices and top - notch quality, as our products are directly sourced from our own factory.
4. Robust Production Capacity: With a monthly output of 20,000 tons, we ensure seamless production.
5. Flexible Payment Terms: We accept various payment methods, including T/T and L/C.
6. Swift Delivery & Standard Export Packaging: Expect quick delivery and products packaged in line with international export standards.
7. Factory - Direct Advantage: Our own factory enables us to offer competitive prices without compromising on quality.
8. Third - Party Testing: We welcome any third - party testing to verify the quality of our products.
9. Expert Team Support: Backed by a professional sales team and a reliable factory.
10.Dedicated to Customization: Your individual specifications are not just accepted-they're the cornerstone of our service. We're committed to delivering on every customized request.
Q1: What are your primary product offerings?
A1: We are a leading manufacturer and supplier of high-quality steel products, specializing in:Stainless Steel & Carbon Steel: Sheets/plates, coils, and pipes/tubes (both seamless and welded)
Structural Components: Various bar profiles (round, square, hexagonal, flat, angle), C-channels, and H/I-beams
Custom Fabrications: Tailored solutions to meet specific project requirements
Q2: What quality assurance measures do you have in place?
A2: We maintain stringent quality control through:Comprehensive Mill Test Certificates provided with all shipments
Optional third-party inspection services (SGS, BV, etc.)
ISO-certified manufacturing processes
Rigorous in-house testing and quality checks
Q3: What are your standard packaging terms?
A3: Our standard packaging includes:Bundled or coiled goods secured with steel rods/straps
Custom packaging solutions available per customer specifications
Export-grade packaging to ensure optimal protection during transit
Q4: What is your typical delivery timeline?
A4: We offer flexible delivery options:Stock items: Ready for shipment within 3 business days after deposit confirmation
Made-to-order items: Production typically completed within 7-15 working days post-deposit
Expedited options available for urgent requirements
Q5: What competitive advantages does your company offer?
A5: We differentiate ourselves through:A team of highly skilled professionals and technical experts
Industry-leading pricing without compromising quality
Unparalleled after-sales support and customer service
Extensive inventory and reliable supply chain management
Q6: Do you provide product samples?
A6: Yes, we're pleased to offer:Complimentary small samples from existing inventory
Customer only responsible for shipping costs
Custom samples available for specific project needs
Q7: What are your payment terms?
A7: Our standard payment structure:30% advance payment via T/T to initiate production/order
Remaining 70% balance due prior to shipment
Full documentation including product photos and packaging details provided before final payment
Why Choose Us?
√ 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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