BS6323-4 Cold Finished Seamless Steel Tubes

BS6323-4 Cold Finished Seamless Steel Tubes


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
China
Brand name
Torich
Payment Terms
L/C,T/T
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
carbon steel tube, mechanical tubing, welded steel tube, seamles steel tube
Category
Steel Pipes

Torich International,.Ltd

Membership
PRO
Country / Year Established
China China /
Business type
Trading Company
Verified Certificate

9

Product name BS6323-4 Cold Finished Seamless Steel Tubes Certification -
Category Steel Pipes Ingredients -
Keyword carbon steel tube , mechanical tubing , welded steel tube , seamles steel tube Unit Size -
Brand name Torich Unit Weigh -
origin China Stock -
Supply type - HS code -

Product Information

 

BS6323-4 BK BKW GBK NBK GZF NZF Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4

 

 

Standard: BS6323-4    Seamless and Welded steel tubes for automobile,mechanical and general engineering purposes
Part 4: Specific requirements for cold finished seamless steel tubes          

                            
Applications: for Auto industry / for machinery use/mechanical and general engineering purposes           
                                                          
Size range: O.D.:6-280mm     W.T.:1-30mm      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:

a. Cold finished/hard (cod 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  

 

Tests:

Flatenning tests

Leak tightness test- Eddy current test

 

Design
ation

Chemical Compositions( ladel analysis)

 

 

 

C

Si

Mn

Pmax.

Smax.

Cr

Mo

 

%

%

%

%

%

%

%

CFS 3

0.20 max.

0.35 max.

0.90max.

0.050

0.050

__

__

CFS 3Aa

0.20 max.

0.10 to 0.35

0.60 to 1.00

0.050

0.050

__

__

CFS 4

0.25 max.

0.35 max.

1.20 max.

0.050

0.050

__

__

CFS 5b

0.23 max.

0.50 max.

1.50 max.

0.050

0.050

__

__

CFS 6

0.30 to0.40

0.35 max.

0.50 to 0.90

0.050

0.050

__

__

CFS 7

0.20 to 0.30

0.35 max.

1.20 to1.50

0.050

0.050

__

__

CFS 8d

0.40 to 0.55

0.35 max.

0.50 to0.90

0.050

0.050

__

__

CFS 9

0.29max.

0.35 max.

1.50max.

0.050

0.050

__

0.15 to0.25

CFS 10

0.26max.

0.35 max.

0.80max.

0.050

0.050

0.80 to1.20

0.15 to0.30

CFS 11

0.45max.

0.35 max.

1.00   max.

0.050

0.050

0.80 to1.20

0.15 to0.30

 


Desig
nation

BKc (cold finished/hard)

BKWc(cold finished/soft )

GBK and GZF(annealed)

NBK and NZF(normalized)

Remin.

Rmmin.

Amin.

Remin.

Rmmin.

Amin.

Remin.

Rmmin

Amin.

Remin.

Rmmin.

Amin.

N/mm2

N/mm2

%

N/mm2

N/mm2

%

N/mm2

N/mm2

%

N/mm2

N/mm2

%

CFS3

360

450

6

280

400

9

170

340

26

215

360

24

CFS3Aa

360

450

6

280

400

9

170

340

26

215

360

24

CFS4

415

520

5

315

450

8

200

400

24

235

410

22

CFS5b

480

600

4

385

550

6

__

__

__

340

490

20

CFS6

470

590

5

350

540

7

300

440

22

280

460

21

CFS7

560

700

4

460

650

7

__

__

__

__

__

__

CFS8d

575

720

4

470

670

6

300

510

20

340

540

18

CFS9

575

720

4

470

670

6

__

__

__

__

__

__

CFS10

575

720

4

470

670

6

__

__

__

__

__

__

CFS11

575

720

4

__

670

6

__

__

__

__

__

__

 

"NOTE  Welding of tubes of grades 3,3A and 5 does not require special techniques but care should be taken and welding carried out in accordance with guidance given in the appropriate British Standard for welding,e.g. BS 5135.The welding of other grades shown may require special techniques.
aGrade 3A shall be suitable for case hardening purposes.   
bGrain refining elements may be added at the option of the manufacturer .   
cIf tubes in the BK and GKW condition are subsequently welded,brazed or heated the mechanical properties in the heat affected zone may be reduced to those given for the delivery condition GBK or NBK.
dSteel within the limits shown,but in accordance with the chemical composition of BS 970-1,may be supplied if agreed ate the time of order or enquiry."          

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options L/C,T/T Shipping time Negotiable

Torich International,.Ltd

Country / Year Established
China China /
Membership
PRO
Business type
Trading Company

9

President
sales
Address
Room706,Qiling Mansion, Yinzhou District, Ningbo,China 315100
Product Category
Steel Pipes
No. of Total Employees
101-500
Company introduction

Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability. 

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