Metal Stocks
Seamless Boiler Tubes BS3059-2 , round mechanical tubing with Varnish / Passivation Surface
Seamless Boiler Tubes
Description
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BS3059-2 STEEL BOILER AND SUPERHEATER TUBES
Part 2. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
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Specifications:
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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
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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
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CHEMICAL COMPOSITION (%):
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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 |
440 | 0.12~0.18 | 0.10~0.35 | 0.90~1.20 | 0.035 | 0.035 |
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MECHNICAL PROPERTIES:
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Grade | Tensile Strength? σb(Mpa) | Yield Strength σs(Mpa)? | Elongation????? δ(%) |
360 | 360~500 | ≥235 | ≥24 |
440 | 440~580 | ≥245 | ≥21 |
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INSPECTION AND TEST:
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CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening,impact, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
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Description:
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BS3059-2 is specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties. And requirements for plain end, seamless and welded tubes, not exceeding 127mm outside diameter and not exceeding 12.5mm tickness. for use in boilers and super heaters.
Top quality products
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Applications:
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Boiler tube and superheater service. Boiler flue, air preheating pipe line, superheater. Heat-exchanger and other heat supply/heat transfer equipment, etc.?
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Competitive Advantage:
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Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.
Advanced equipments. Sincere , truth and careful attitude on communication and production.
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CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.
Carbon Steel Seamless Pipe,Seamless Boiler Tubes,Seamless Steel Pipe
Address: INDUSTRIAL ZONE, ZOUQU TOWN, WUJIN DIST., CHANGZHOU CITY, JIANGSU PROV., CHINA,
Changzhou, Jiangsu
China, 213000
Tel: 86-519-83830661
Fax: 86-519-83830662
