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BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use

Torich International Limited
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BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use

Place of Origin : China

Brand Name : Torich

Certification : ISO9001,ISO14001,TS16949

Model Number : BS6323-6

MOQ : 5 tons

Price : 1200 USD/TONS

Packaging Details : In bundles or as per requests

Delivery Time : 30-60 days

Payment Terms : T/T,L/C

Supply Ability : 50000 TONS PER YEAR

Shape : Round

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Standard: BS6323-6 Seamless and Welded steel tubes for automobile,mechanical and general engineering purposes

Part 6: Specific requirements for cold finished electric resistance welded(including induction welded) steel tubes

Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.:6-350mm W.T.:1-35mm L:max12000mm

Chemical Compositions and mechanical properties

Design
ation

Chemical Compositions( ladle analysis)

mechanical properties

C

Si

Mn

P

S

BKc
(cold finished/hard)

BKWc (cold finished/soft )

GBK and GZF (annealed)

NBK and NZF (normalized)

max.

max.

max.

max.

max.

Re min.

Rm
min.

A
min.

Re min.

Rm
min.

A
min.

Re
min.

Rm
min.

A
min.

Re
min.

Rm
min.

A
min.

%

%

%

%

%

N/m
m2

N/m
m2

%

N/m
m2

N/m
m2

%

N/m
m2

N/m
m2

%

N/m
m2

N/m
m2

%

CEW1a

0.13

__

0.60

0.050

0.050

320

400

6

245

350

10

150

270

27

155

280

25

CEW2a

0.16

__

0.70

0.050

0.050

355

420

6

260

370

10

160

300

27

195

320

25

CEW3a

0.20

0.35

0.90

0.050

0.050

360

450

6

280

400

9

170

340

26

215

360

24

CEW4b

0.25

0.35

1.20

0.050

0.050

415

520

5

315

450

8

200

400

24

235

410

22

CEW5b

0.23

0.50

1.50

0.050

0.050

480

600

4

385

550

6

__

__

__

340

490

20

Tolerance on diameter

diameter

Tolerance

over

Up to and including

mm

mm

mm

30

±0.10

30

50

±0.15

50

70

±0.20

70

90

±0.25

90

110

±0.30

110

130

±0.35

130

160

±0.45

160

190

±0.55

190

220

±0.65

220

250

±0.75

Tolerance on specified cut lengths

Specified cut length

Tolerance

over

up to and including

mm

mm

mm

500

+

2

-

0

500

2000

+

3

-

0

2000

5000

+

5

-

0

5000

7000

+

10

-

0

7000

__

by agreement

NOTE Closer tolerances may be obtained by agreement between the purchaser and manufacturer.

Distance between platens for flattening test

Designation

Distance between platens

%

CEW 1

66

CEW 2

75

CEW 3

85

CEW 4

85

CEW 5

85

Minimun expansion for drift expanding test

Designation

Expansion minimun for tube thickness

Up to and including 4mm

Over 4 mm up to and including 8 mm

%

%

CEW 1

12

8

CEW 2

12

8

CEW 3

10

6

CEW 4

8

5

CEW 5

8

5


Note: Special steel grade is also available, according to customer request.

BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use

For Application of:

BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use BS6323-6 Cold Finished Electric Resistance Welded Steel Tubes for machinery use


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