Factory Supply API Spec 5L High Quality Round/Square Welded Seamless Steel Pipe
Welded steel pipe refers to the use of steel strip or steel plate bending and deformation into a round, square and other shapes and then welded into the surface of the steel pipe, welded steel pipe billet is a steel plate or strip.
Q1: What are your primary product offerings?
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
| API 5L - PSL1 | L245 / Gr.B | ≥415 | ≥245 | ≥21 |
| L290 / X42 | ≥415 | ≥290 | ≥21 | |
| L320 / X46 | ≥435 | ≥320 | ≥20 | |
| L360 / X52 | ≥460 | ≥360 | ≥19 | |
| L390 / X56 | ≥490 | ≥390 | ≥18 | |
| L415 / X60 | ≥520 | ≥415 | ≥17 | |
| L450 / X65 | ≥535 | ≥450 | ≥17 | |
| L485 / X70 | ≥570 | ≥485 | ≥16 |
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.
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