S355NLH Circular Hollow Section

S355NLH hollow tube is a kind of low alloy high-strength structural steel pipe, its name in the 'S' on behalf of the structural steel, '355' that the yield strength of the minimum value of 355MPa, 'N N' indicates that the delivery state for normalised or normalised rolled, "L" indicates the low temperature impact toughness requirements, "H" represents a higher strength after heat treatment.
Mechanical properties: tensile strength: 470 ~ 630MPa, ≤ 16mm wall yield strength ≥ 345MPa, 16mm ~ 30mm wall yield strength ≥ 325MPa, ≥ 30mm wall yield strength ≥ 295MPa, elongation after break: ≥ 21, -40 degrees impact, ≥ 27.
S355NLH hollow round tube is used in construction, bridges, machinery, ships and other fields

S355NLH ERW Pipe Specification

FAQ

Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for pipe, and our company also is a very professional a trade company for steel products.we can also provide a wide range of steel products.
Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
Q: How could you guarantee your products?
A: Each piece of products is manufactured by certified workshops, inspected by worker piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

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