NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
NEW-ERA STEEL TUBE HOLDING NINGBO PIPEWAY TRADE CO.,LTD
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BS6323-4 Seamless Steel Tube For Automotive and Precision Purpose
Seamless Steel Tubes Grade CFS3 CFS4 CFS5 CFS6 CFS7
Standard: BS6323-4 Seamless and Welded steel tubes for automobile,mechanical and general engineering purposes
Applications: for Auto industry / for machinery use/mechanical and general engineering purposes
Size range: O.D.:6-156mm W.T.:1-20mm L:max12000mm
Method of manufacture:
The tubes are manufactured by a seamless process and shall be cold finished
It is permissible for cold finished tubes to have on internal and external surfaces an adherent layer of residual to subsequent processing, then their removal shall be the subject of an agreement between the manufacturer and the purchaser.
Delivery Condition:
The tubes are supplied in one of the following condition:
Cold finished/hard (cold finished as drawn) : BK
Cold finished/soft (lightly cold worked ): BKW
Annealed: GBK
Annealed (including de-scaling): GZF
Normalized: NBK
Normalized ( including de-scaling): NZF
It is permissible for tubes supplied in the GBK and NBK condition to be discoloured, but tubes shall be free from loose scale.
Tags: Seamless Steel Tube, BS6323-4, Cold Drawn Steel Tube, Cold Rolled Steel Tube, Precision Steel Tube, Automotive Steel Tube