Delivery Time:Within 30 days after order confirmed
Certification:ISO 9001:2008, CE

BS 6323 Big Diameter Mild Steel Exhaust Tubing Thin Wall CFS4 CFS6 CFS7

Quick Detail:

Standard: BS 6323
Size:(mm)

Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

We are specialized in producing welded steel pipe and seamless steel pipe. Our factory has been established for more than 12 years. Our business has got a great improvement.  We believe that: “quality and service win the customers”. Welcome customers all over the world come to our company to give guidance for development. 

BS6323 Seamless Mechanical Tubing

Steel Grde:
BS6323-1 CFS3, CFS4, CFS6, CFS7, CSF8, CFS10, CFS11 and equivalents like ASTM A519 SAE1020, SAE1035, SAE1045, SAE1026, SAE1541, SAE4130, SAE4140, etc.

Packing: 
Beveled / black painting / plastic caps / in bundles / steel strips / wooden protection

Inspection and Test: 
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.

Surface treatment:
Oil dip, Varnish, Passivation, Phosphating, Shot Blasting

Mark: 
Marking or mechanical stamp on each piece of tube to be confirmed or as requested.

Method of manufacture:

The tubes shall be manufactured by a seamless process and shall be cold finished.

It is permissible for cold finished tubes to have on internal or external surfaces an adherent layer of residual lubricant originating from the drawing process. If phosphate or other residues are

detrimental to subsequent processing, then their removal shall be the subject of an agreement between the manufacturer and the purchaser.

Delivery condition:

The tubes shall be supplied in one of the following delivery conditions

a) Cold finished /  hard (cold finished as drawn): BK;

b) Cold finished/soft (lightly cold worked): BKW

c) Annealed: GBK

d) Annealed (including de-scaling): GZF;

e) Normalized: NBK

f) Normalized (including de-scaling): NZF.

BS6323 Steel grades & other equivalents:

Standard Tubes
BS	BS 6323	CFS3 CFS4 CFS5 CFS6 CFS7
Standards	TDR Standards	Steel Grades
DIN	1629 1630 2391-2 17204 17210	ST 37 / 44 / 52 ST 37.4 / 44.4 / 52.4 ST 35 /  45 / 52 C22 – Ck 22 – Cm22 – C35 – Ck 35 – Cm 35 C45 -  Ck 45 – Cm 45 – 34 CrMo4 C15 – Ck 15 – Cm 15 – 16MnCr5
EN	10305-1	E215/235/355/255 26Mn 5 C35E C45E 20V1 (E410) 26Mo2 25CrMo4 42CrMo4
ASTM	A 519	1010 1020 1035
NFA	49310	TU 37 b TU 52  XC

Many other steel grades and customized – modified steel grades are available on request.

Photos of equipments for CFS4 CFS6 CFS7 CFS8 carbon steel pipe.

Packing and delivery:

We normally has 2type of package, one is wooden cases and the other is easier one. We can also pack them as customers’ requests. We are sure that all is safe enough during the transportation.

Photos of package for CFS4 CFS6 CFS7 CFS8 carbon steel pipe.

Application for CFS4 CFS6 CFS7 CFS8 carbon steel pipe:

Applications:

Mainly used for greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas,mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.

Photos of application for CFS4 CFS6 CFS7 CFS8 carbon steel pipe.

Why choose us!

1. We are the specialized supplier of stainless steel materials, can provide the best price!

2. We have more than 12 yea