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square tube, square steel tube, square pipe, square steel pipe
square steel tube

Square steel tube

Square Steel Tube Size:
Application:   Widely used in furniture,interior decoration, structure
Size: OD: 10*10-1000*1000mm
Pipe Standard: GB/T 3094-2000, GB/T 6728-2002, DIN EN 10210, DIN EN 10219, GB/T 178-2005,ASTM A53, ASTM A500,BS EN 10219,JIS G 3466, ASTM A513, ASTM A36
S235JR,S355JR,St37,St37-2,St52,SS400, STK500
Furface: Black bared ,can be galvanized,oiled,painted,powdered.
Packing:  Waterproof  plastic bag,bundle with strip


  • square steel tube
  • square steel tube
  • square steel tube
  • square steel tube
  • Description
  • Specification
  • Standard
  • Process
  • Packing

Description

Square Steel Tube Size:

Application:   Widely used in furniture,interior decoration, structure
Size: OD: 10*10-1000*1000mm
Pipe Standard: GB/T 3094-2000, GB/T 6728-2002, DIN EN 10210, DIN EN 10219, GB/T 178-2005,ASTM A53, ASTM A500,BS EN 10219,JIS G 3466, ASTM A513, ASTM A36
S235JR,S355JR,St37,St37-2,St52,SS400, STK500
Furface: Black bared ,can be galvanized,oiled,painted,powdered.
Packing:  Waterproof  plastic bag,bundle with strip


Specification

Square tubes sizes

Size (mm)

Wall Thickness (mm)

Size (mm)

Wall Thickness (mm)

20*20

1.2

70*70

60*80

100*40

1.8

1.3

2

1.4-1.5

2.2

1.7

2.3

1.8

2.5-4.0

2

4.5-5.0

2.2

5.5-5.75

2.3

75*75

60*90

100*50

1.8

2.5-2.75

2

25*25

20*30

1.2

2.2

1.3

2.3

1.5

2.5-4.0

1.7

4.5-5.0

1.8

5.5-5.75

2

80*80

100*60

100*80

120*60

2

2.3-2.3

2.2

2.5-3.0

2.3

30*30

30*40

25*40

20*40

1

2.5-4.0

1.2

4.5-5.0

1.3

5.5-5.75

1.5

7.5-7.75

1.7

100*100

120*80

2

1.8

2.2

2

2.3

2.2

2.5-5.0

2.3

5.5-5.75

2.5*2.75

7.5-7.75

3

120*120

140*80

150*100

160*80

2.5

40*40

30*50

25*50

1.2

2.75

1.3

3

1.4-1.5

3.25-5.0

1.7

5.5-7.0

1.8

7.5-7.75

2

140*140

150*150

200*100

3.5-4.0

2.2-2.3

4.5-5.0

2.5-4.0

5.25-7.0

50*50

60*40

30*60

40*50

1.5

7.5-7.75

1.7

160*160

180*180

3

1.8

3.5

2

3.75

2.2

4.0-5.0

2.3

5.25-5.75

2.5*-4.0

7.5-7.75

4.25-5.0

60*60

40*80

75*75

50*70

50*80

2.3

60*60

40*80

75*45

50*70

50*80

1.5

2.5-4.0

1.7

4.25-5.0

1.8

5.5-5.75

2

/

2.2-2.3

/



Standard


Chemical composition of material

Grade element
C Mn P S
ASTM A500 Gr.b % 0.05%-0.23% 0.3%-0.6% 0.04% 0.04%


Acc.to EN10027/1  Acc.to EN10027/2 C% max (Norminal W.T.(mm) Si% max Mn% max P% max S% max N% max
and IC 10

≤ 40

S235JRH 1.0039 0.17 0.20 - 1.40 0.045 0.045 0.009
S275JOH 1.0149 0.20 0.22 - 1.50 0.040 0.040 0.009
S275J2H 1.0138 0.20 0.22 - 1.50 0.035 0.035 -
S355JOH 1.0547 0.22 0.22 0.55 1.60 0.040 0.040 0.009
S355J2H 1.0576 0.22 0.22 0.55 1.60 0.035 0.035 -


Mechanical properties of material

Grade Yield Strength
Tensile Strength
Elongation
A500.Gr.b
46 ksi 58 ksi 23%    
A513.GR.B 72 ksi 87 ksi 10%


Norm Yield Strength Tensile Strength Min.elogation Min.percent properties

Acc.to EN10027/1

and IC 10


Acc.to EN10027/2 Norminal W.T.mm Norminal W.T.mm Longit. Cross Test temperature°C  Average min.impact value
≤16
>6
>40
<3
≤3≤65
Norminal W.T.mm
≤65
≤65
≤40
>40
>40
≤65
≤65
≤40
S253JRH 1.0039 235 225 215 360-510 340-470 26 25 24 23 20 27
S275JOH 1.0149 275 265 255 410-580 410-560 22 21 20 19 0 27
S275J2H 1.0138 275 265 255 430-560 410-560 22 21 20 19 -20 27
S355JOH
1.0547 355 345 335 510-680 490-630 22 21 20 19 0 27
S355J2H 1.0576 355 345 335 510-680 490-630 22 21 20 19 -20 27


Equivalent specfications


EN 10210-1 


NF A 49501 NF A 35501 


DIN 17100 DIN 17123/4/5 


BS 4360 


UNI 7806 

S235JRH E 24-2  St 37.2  –  Fe 360 B 
S275JOH E 28-3  St 44.3 U  43 C  Fe 430 C 
S275J2H E 28-4  St 44.3 N  43 D  Fe 430 D 
S355JOH E 36-3  St 52.3 U  50 C  Fe 510 C 
S355J2H E 36-4  St 52.3 N  50 D  Fe 510 D 
S275NH –  St E 285 N  –  – 
S275NLH –  TSt E 285 N  43 EE  – 
S355NH E 355 R  St E 355 N  –  – 
S355NLH  –  TSt E 355 N  50 EE  – 
S460NH E 460 R  St E 460 N  –  – 
S460NLH –  TSt E 460 N  55 EE  – 



Process

Packing

plastic plugs in both ends, hexagonal bundles of max. 2,000kg with several steel strips, two tags on each bundle, wrapped in waterproof paper, pvc sleeve, and sackcloth with several steel strips

inspection: chemical component analysis, mechanical properties

Specification

Square tubes sizes

Size (mm)

Wall Thickness (mm)

Size (mm)

Wall Thickness (mm)

20*20

1.2

70*70

60*80

100*40

1.8

1.3

2

1.4-1.5

2.2

1.7

2.3

1.8

2.5-4.0

2

4.5-5.0

2.2

5.5-5.75

2.3

75*75

60*90

100*50

1.8

2.5-2.75

2

25*25

20*30

1.2

2.2

1.3

2.3

1.5

2.5-4.0

1.7

4.5-5.0

1.8

5.5-5.75

2

80*80

100*60

100*80

120*60

2

2.3-2.3

2.2

2.5-3.0

2.3

30*30

30*40

25*40

20*40

1

2.5-4.0

1.2

4.5-5.0

1.3

5.5-5.75

1.5

7.5-7.75

1.7

100*100

120*80

2

1.8

2.2

2

2.3

2.2

2.5-5.0

2.3

5.5-5.75

2.5*2.75

7.5-7.75

3

120*120

140*80

150*100

160*80

2.5

40*40

30*50

25*50

1.2

2.75

1.3

3

1.4-1.5

3.25-5.0

1.7

5.5-7.0

1.8

7.5-7.75

2

140*140

150*150

200*100

3.5-4.0

2.2-2.3

4.5-5.0

2.5-4.0

5.25-7.0

50*50

60*40

30*60

40*50

1.5

7.5-7.75

1.7

160*160

180*180

3

1.8

3.5

2

3.75

2.2

4.0-5.0

2.3

5.25-5.75

2.5*-4.0

7.5-7.75

4.25-5.0

60*60

40*80

75*75

50*70

50*80

2.3

60*60

40*80

75*45

50*70

50*80

1.5

2.5-4.0

1.7

4.25-5.0

1.8

5.5-5.75

2

/

2.2-2.3

/



Standard


Chemical composition of material

Grade element
C Mn P S
ASTM A500 Gr.b % 0.05%-0.23% 0.3%-0.6% 0.04% 0.04%


Acc.to EN10027/1  Acc.to EN10027/2 C% max (Norminal W.T.(mm) Si% max Mn% max P% max S% max N% max
and IC 10

≤ 40

S235JRH 1.0039 0.17 0.20 - 1.40 0.045 0.045 0.009
S275JOH 1.0149 0.20 0.22 - 1.50 0.040 0.040 0.009
S275J2H 1.0138 0.20 0.22 - 1.50 0.035 0.035 -
S355JOH 1.0547 0.22 0.22 0.55 1.60 0.040 0.040 0.009
S355J2H 1.0576 0.22 0.22 0.55 1.60 0.035 0.035 -


Mechanical properties of material

Grade Yield Strength
Tensile Strength
Elongation
A500.Gr.b
46 ksi 58 ksi 23%    
A513.GR.B 72 ksi 87 ksi 10%


Norm Yield Strength Tensile Strength Min.elogation Min.percent properties

Acc.to EN10027/1

and IC 10


Acc.to EN10027/2 Norminal W.T.mm Norminal W.T.mm Longit. Cross Test temperature°C  Average min.impact value
≤16
>6
>40
<3
≤3≤65
Norminal W.T.mm
≤65
≤65
≤40
>40
>40
≤65
≤65
≤40
S253JRH 1.0039 235 225 215 360-510 340-470 26 25 24 23 20 27
S275JOH 1.0149 275 265 255 410-580 410-560 22 21 20 19 0 27
S275J2H 1.0138 275 265 255 430-560 410-560 22 21 20 19 -20 27
S355JOH
1.0547 355 345 335 510-680 490-630 22 21 20 19 0 27
S355J2H 1.0576 355 345 335 510-680 490-630 22 21 20 19 -20 27


Equivalent specfications


EN 10210-1 


NF A 49501 NF A 35501 


DIN 17100 DIN 17123/4/5 


BS 4360 


UNI 7806 

S235JRH E 24-2  St 37.2  –  Fe 360 B 
S275JOH E 28-3  St 44.3 U  43 C  Fe 430 C 
S275J2H E 28-4  St 44.3 N  43 D  Fe 430 D 
S355JOH E 36-3  St 52.3 U  50 C  Fe 510 C 
S355J2H E 36-4  St 52.3 N  50 D  Fe 510 D 
S275NH –  St E 285 N  –  – 
S275NLH –  TSt E 285 N  43 EE  – 
S355NH E 355 R  St E 355 N  –  – 
S355NLH  –  TSt E 355 N  50 EE  – 
S460NH E 460 R  St E 460 N  –  – 
S460NLH –  TSt E 460 N  55 EE  – 



Process

Packing

plastic plugs in both ends, hexagonal bundles of max. 2,000kg with several steel strips, two tags on each bundle, wrapped in waterproof paper, pvc sleeve, and sackcloth with several steel strips

inspection: chemical component analysis, mechanical properties

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