Tianjin Juming Steel Pipe Explores the Growing Applications of Refined Steel in Modern Engineering Projects

Q1: What steel grades do you supply?

We primarily supply carbon steel. Common grades include Q235B and Q355B, as well as European standards such as S235JR and S355J0, suitable for various steel pipes and profiles.

Q2: What specifications and tolerances are available?

Round pipe outer diameters range from 16 to 630 mm; square and rectangular pipes range from 20×20 to 500×500 mm; wall thicknesses range from 1.0 to 16 mm. For refined steel, side length tolerance is ±0.3–0.5 mm, and diagonal tolerance is ±0.8–1.0 mm.

Q3: What surface treatments are offered?

Pickling, polishing, hot-dip galvanizing, powder coating, and anti-corrosion coatings (epoxy, 3PE); treatments for both inner and outer surfaces can be selected based on requirements.

Q4: Which standards do the products meet?

Products comply with GB/T 3091, GB/T 6728, GB/T 3639, GB/T 3087, CJ/T 120, CJ/T 136, and European standard EN 10219, among others.

Q5: Can you provide certifications and inspection reports?

Yes. We can provide material certificates, factory quality inspection reports, and third-party inspection reports (covering dimensions, mechanical properties, and non-destructive testing).

Q6: Is customization and further processing available?

We support non-standard customization (sharp corners, right angles, special cross-sections) and offer services such as bending, punching, welding, cutting, and fixed-length processing.

Q7: What are the minimum order quantities (MOQ) and lead times?

MOQ and lead times depend on specifications and coatings; please contact us for a quote tailored to your needs.

Q8: How are products packaged and exported?

Bundled with steel straps and wrapped in waterproof packaging suitable for ocean export; custom packaging options are also available upon request.

Q9: What are the payment terms?

Common payment methods include T/T or L/C; specific terms are subject to the contract agreement.

Q10: How can I get a quote?

Please provide details regarding the material, specifications, quantity, coating, and destination port; we will provide a detailed quotation as soon as possible upon receipt of your inquiry.