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Bs6323-6 Dom Welded Steel Tube Seamless Machining 35mm Wall Thickness

Basic Information
Place of Origin: Zhejiang, China (Mainland)
Brand Name: Torich
Certification: ISO9001:2008 ISO14001:2008
Model Number: BS6323-6
Minimum Order Quantity: 1 TON
Price: US $500 - 1,500 / Ton
Packaging Details: in bundles with seaworthy packing
Delivery Time: 20-40 WORK DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20000 Ton/Tons per Year
Detail Information
Shape: Round Grade: CEW1a CEW2a CEW3a CEW4a CEW5a
Usage: For Auto Industry / For Machinery Use/mechanical And General Engineering Purposes Surface: Cold Finished Electric Resistance Welded
OD: 3-270mm WT: 1-50mm
High Light:

precision seamless pipe

,

precision pipes and tubes


Product Description

Product Name: BS6323-6

Steel Tubes Precision Steel Tube Machining 35mm Wall Thickness Seamless Welded Steel Tubes

 

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

 

Method of Manufacture:

The tubes are manufactured from flat rolled strip, longintudinally welded continuously by the passage of an electric current across the abutting edges without the addition of filler metal.

They are subsequently cold finished normally on both the inside and outside surfaces, where it is permissble to have both an adherent layer of residual lubricant originating from the drawing process and visible traces of the internal weld upset.

If phosphate or other residues are detrimental to subsequent processing, their removal shall be the subject of an agreement between the manufacturer and 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

It is permissible for tubes supplied in the GBK and NBK conditions to be discoloured, but they shall be free from loose scale.

Where tubes, in the GBK condition are required bright annealed, this shall be the subject of an agreement between the purchaser and the manufactuer.

 

Testing:

Flattening test

Drift expanding test

Leak tightness test.

 

 

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(mm)
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 DOM Steel Tubes Machining , 35mm Wall Thickness Seamless Welded Steel Tubes BS6323-6 DOM Steel Tubes Machining , 35mm Wall Thickness Seamless Welded Steel Tubes

 

BS6323-6 DOM Steel Tubes Machining , 35mm Wall Thickness Seamless Welded Steel Tubes BS6323-6 DOM Steel Tubes Machining , 35mm Wall Thickness Seamless Welded Steel Tubes

 

 

Publications referred to:

BS 3601

BS 3602

BS 3603

BS 3604

BS 3605

BS 4360

BS 4848

BS 4848-2

BS 5135

BS 6323

BS 6323-1

BS 6363

ISO 4200

 

 

Bs6323-6 Dom Welded Steel Tube Seamless Machining 35mm Wall Thickness 4 Bs6323-6 Dom Welded Steel Tube Seamless Machining 35mm Wall Thickness 5

 

 

Contact Details
Mike Lee

Phone Number : +8618958207750

WhatsApp : +8613736164628