EN 10305-4 E235, 1.0308, St35, St37, St37.4, 10, 1010, CFS 4, 360, TU 37-b, TU 376, FE 360, S235G2T, Precision Steel Tube, Power Steering, HPL Tube, EN 10305-4 Steel tubes for precision applications Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems, cold drawn seamless steel tubing, DIN-2391 sheet 2 steel grade st45 cond. nbk, AMG-69107, IU 920004, steel tube for safety system, steel tube for shock absorber, steel tube for steering system, precision steel tubes for automotive, mounting ring, container cylinder, inner cylinder, hollow piston rod, steering cylinder, inflator tube, camshafts, end forming set frames, IP beams, Engine Cradles, Anti-roll bars, seat back frames, Rear arms, Torsion beams, Stabiliser bars, Door beams, A-Pillars, NF 699, DIN 2391, ASTM A519, GOST 9567-75, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4, NF A 49-310, UNI 6403

EN 10305-4 Steel tubes for precision applications Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems

Standard: EN 10305-4
Equivalent Standards: NF 699, DIN 2391, ASTM A519, GOST 9567-75, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4, NF A 49-310, UNI 6403

Material: E235, 1.0308
Equivalent Materials: St35, St37, St37.4, 10, 1010, CFS 4, 360, TU 37-b, TU 376, FE 360, S235G2T

Chemistry Composition

C, %	Si, %	Mn, %	P, %	S, %
0.17 max	0.35 max	1.20 max	0.025 max	0.025 max

Mechanical Properties

Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Delivery Condition
340-480	235 min	25 min	+N

EN 10305-4 specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross section used in hydraulic and pneumatic power systems. Tubes according to EN 10305-4 are characterised by having precisely defined tolerances on dimensions and a specified surface roughness.

Manufacture: the tubes shall be manufactured from hot finished seamless tubes by cold drawing. Other suitable methods of cold working are permitted.
Delivery Condition: the tubes shall be delivered in the delivery condition +N which means that after the final cold drawing operation the tubes are normalized in a controlled atmosphere.
Inspection & Test: chemistry composition analysis, tensile test, flattening test, flaring test, NDT, surface inspection and dimension check.

Length: 5800mm; 6000mm; 10000mm; 11800mm; and so on.
Further process: cutting into short length, deformation, coating.

Keyword: precision steel tube, EN 10305-4, precision steel pipe, high precision, cng tube, HPL Tube

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