Iron & Steel
DIN1629 Non - Alloy Steel Round Pipe , Carbon Steel Seamless Tube for Chemical Equipment
DIN1629 Non -
Description
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DIN1629 SEAMLESS CIRCULAR UNALLOYED STEEL TUBES WITH SPECIAL REQUIREMENTS
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Specifications:
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Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
? ?As per standard 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% |
Steel Grade | C | P≤ | S≤ | N (1) |
St 37.0 | 1.0254 | ≤0.17 | 0.040 | 0.040 | 0.009(2) |
St 44.0 | 1.0256 | ≤0.21 | 0.040 | 0.040 | 0.009(2) |
St 52.0 | 1.0421 | ≤0.22 | 0.040 | 0.035 | - |
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MECHNICAL PROPERTIES:
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STEEL GRADE | Tensile Strength σb(Mpa) N/mm2 | Yield Strength σs(Mpa) (WT in mm) | Elongation????? δ(%) (L=5do) |
≤16 | ＞16≤40 | ＞40≤60 | I | T |
(MIN) N/mm2 | % (MIN) |
St 37.0 | 1.0254 | 350-480 | 235 | 225 | 215 | 25 | 23 |
St 44.0 | 1.0256 | 420-550 | 275 | 265 | 255 | 21 | 19 |
St 52.0 | 1.0421 | 500-650 | 355 | 345 | 335 | 21 | 19 |
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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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DIN1629 applies to non-alloy steel seamless circular tubes which are used in chemical equipment, vessel, pipe-line, and machine design..
Top quality products
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Applications:
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Mainly used in chemical equipment, vessel, pipe-line, and machine design. 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
