EN 10305-1 E235, St35, St37, St37.4, 10, 1010, CFS 4, 360, TU 37-b, TU 376, FE 360, S235G2T, Precision Steel Tube, Power Steering, HPL Tube, Steel tubes for precision applications Part 1: Seamless cold drawn tubes, 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 10305-1 Steel tubes for precision applications Part 1: Seamless cold drawn tubes

Standard: EN 10305-1
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
480 min	-	6 min	+C
420 min	-	10 min	+LC
420 min	350 min	16 min	+SR
315 min	-	25 min	+A
340-480	235 min	25 min	+N

EN 10305-1 specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross section for precision applications. It can also cover other types of cross section. Tubes according to 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.

Manufacture: the tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes.
Delivery Condition: cold drawn (hard) as +C, cold drawn (soft) as +LC, cold drawn and stress relieved as +SR, annealed as +A, normalized as +N.
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 10305-1, precision steel pipe, high precision, cng tube, HPL Tube

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