Seamless Boiler Tubes BS3059-2 , round mechanical tubing with Varnish / Passivation Surface

BS3059-2 STEEL BOILER AND SUPERHEATER TUBES

Part 2. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties

Specifications:

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed/Normalized/Tempered

Size:(mm)
      OD: 12 – 127mm          WT: 1 – 12mm

   or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

CHEMICAL COMPOSITION (%):

CHEMICAL COMPOSITION (CAST ANALYSIS) IN%
Grade	C≤	Si	Mn	P≤	S≤
360	0.17	0.10~0.35	0.40~0.80	0.035	0.035
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