Non-ferrous Metal
E215 E235 E355 Grade Precision Seamless Steel Tubes with Cold Drawn and Stress Relieved
E215 E235 E355
Description
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EN10305-1 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS
Part 1: Seamless cold drawn 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: Cold Drawn-hard (+C) / Cold Drawn-Soft (+LC) / Cold Drawn and stress relieved (+SR) / Annealed (+A) / Normalized (+N)
Size:(mm)
? ? ? OD: 4 – 260mm ?????????WT: 0.5 – 25mm
?? 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≤ |
E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 |
E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 |
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E215 with Al≥0.025
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MECHNICAL PROPERTIES (Minimum Values) :
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Grade | Cold finished (Hard) | Cold finished (Soft) | Cold finished and stress-relieved | Annealed | Normalized |
+C (BK) | +LC (BKW) | +SR (BKS) | +A (GBK) | +N (NBK) |
Rm (Mpa) | A (%) | Rm (Mpa) | A (%) | Rm (Mpa) | ReH (Mpa) | A (%) | Rm (Mpa) | A (%) | Rm (Mpa) | ReH | A (%) |
E215 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290~430 | 215 | 30 |
E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340~480 | 235 | 25 |
E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490~630 | 355 | 22 |
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DELIVERY CONDITION:
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Delivery condition |
Designation | Symbol | Description |
Cold Drawn – hard | +C | No heat treatment after the final cold drawn process |
Cold Drawn – soft | +LC | After the final heat treatment there is a suitable drawing pass |
Cold Drawn and stress relieved | +SR | After the final cold drawn process there is a stress relief heat treatment in a controlled atmosphere |
Annealed | +A | After the final cold drawn process the tubes are annealed in a controlled atmosphere |
Normalized | +N | After the final cold drawn process the tubes are normalized in a controlled atmosphere |
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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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EN10305-1 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 1: Seamless cold drawn tubes. Tubes according to this part of EN 10305-1 are characterized by having precisely defined tolerances on dimensions and a specified surface roughness. Typical fields of application are in the vehicle, furniture and general engineering industries.
Top quality products
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Applications:
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For vehicle, auto, furniture and engineering industries.?
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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
