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CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

[Province: Jiangsu ]

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Precision Hydraulic Mechanical Carbon Steel Seamless Pipe OD 6 - 350mm WT 0.8 - 35mm

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BS 6323-4 PRECISION MECHANICAL STEEL TUBING FOR HYDRAULIC

Specifications:

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Size:(mm) OD: 6~350mm WT: 0.8~35mm

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

CHEMICAL COMPOSITION (%):

Steel grade		Chemical composition (%)
Steel grade	Material number	C≤	Si≤	Mn≤	P≤	S≤
St 30 Si	1.0211	0.1	0.3	0.55	0.025	0.025
St 30 Al	1.0212	0.1	0.05	0.55	0.025	0.025
St 35	1.0308	0.17	0.35	0.40	0.025	0.025
St 45	1.0408	0.21	0.35	0.40	0.025	0.025
St 52	1.0508	0.22	0.55	1.60	0.025	0.025
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.