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Black Round Steel Tubing Seamless , EN10297-1 Engineering and mechanical steel tubing
Black Round Steel
Description
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EN10297-1 SEAMLESS CIRCULAR STEEL TUBES FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES
Part 1: Non-Alloy and Alloy steel tubes
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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(+A)/Normalized(+N)/+AR/+QT/+TH/+FP
Size:(mm)
? ? ? OD: 26.9 – 610mm ?????????
?? 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
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CHEMICAL COMPOSITION (%):
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CHEMICAL COMPOSITION (CAST ANALYSIS) IN% |
Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ |
E235 | 1.0308 | 0.17 | 0.35 | 1.2 | 0.03 | 0.035 |
E275 | 1.0225 | 0.21 | 0.35 | 1.4 | 0.03 | 0.035 |
E315 | 1.0236 | 0.21 | 0.30 | 1.5 | 0.03 | 0.035 |
E355 | 1.0580 | 0.22 | 0.55 | 1.6 | 0.03 | 0.035 |
E470 | 1.0536 | 0.16~0.22 | 0.1~0.5 | 1.3~1.7 | 0.03 | 0.035 |
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E470 with Al≥0.01, N≤0.02
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MECHNICAL PROPERTIES:
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MECHANICAL PROPERTIES |
Grade | Tensile Strength? σb(Mpa) | Yield Strength ?σs(Mpa) | Elongation????? δ(%) |
WT (mm) | WT (mm) |
≤16 | 16 ~ ≤40 | ≤16 | 16 ~ ≤40 |
E235 | ≥235 | ≥225 | ≥360 | ≥360 | ≥25 |
E275 | ≥275 | ≥265 | ≥410 | ≥410 | ≥22 |
E315 | ≥315 | ≥305 | ≥450 | ≥450 | ≥21 |
E355 | ≥355 | ≥345 | ≥490 | ≥490 | ≥20 |
E470 | ≥470 | ≥430 | ≥650 | ≥600 | ≥17 |
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DELIVERY CONDITION:
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Delivery condition |
Steel grade | Delivery condition |
E235 | +AR or H15+N |
E275 | +AR or H16+N |
E315 | +AR or H17+N |
E355 | +AR or H18+N |
E470 | +AR |
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DIMENSION TOLERANCE:
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OD (mm) | OD Tolerance | WT Tolerance (T/D) |
≤0.025 | 0.025~0.05 | >0.05 |
OD≤219.1 | ±1% or ±0.5mm (follow the bigger one) | ±12.5% or ±0.4mm (follow the bigger one) |
OD>219.1 | ±1% | ±20% | ±15% | ±12.5% |
Length Tolerance (mm) |
≤6000 | 0 - +10 |
6000
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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, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
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Description:
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EN10297-1 SEAMLESS CIRCULAR STEEL TUBES MADE OF NON-ALLOY AND ALLOY STEELS FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES.
Top quality products
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Applications:
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For mechanical and general engineering purposes.?
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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
