Carbon steel square welded pipe
Carbon steel square welded pipe
Carbon steel square welded pipe
Carbon steel square welded pipe
Carbon steel square welded pipe
Carbon steel square welded pipe
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  • Carbon steel square welded pipe
  • Carbon steel square welded pipe
  • Carbon steel square welded pipe
  • Carbon steel square welded pipe
  • Carbon steel square welded pipe
  • Carbon steel square welded pipe

steel pipes are pipes made of carbon steel. They are one of the most commonly used metal materials and have good mechanical properties, processing properties and corrosion resistance. According to the production method, it can be divided into two types: seamless steel pipe and welded steel pipe.
Product Parameters

Namesteel welded square pipes
Thickness3mm-10mm 20 mm-60mm
GradeQ195/Q215/Q235/Q345/#20/#45/SS400/ST37-2/STK400/STK500/etc
StandardsASTM A500, EN10210, EN10219
Surface TreatmentCustomers't Requirement
TechnologyErw
Delivery Time8-14 days
Payment TermsT/T or L/C at sight
Trade TermsFOB/ CFR/ CIF/ EXW/FCA
Surface TreatmentBare pipe, oiled, galvanized, black painted
PackagingStandard exporting packing or as client's requirement
Advantages1. Reasonable price with excellent quality
 2. Abundant stock and prompt delivery
 

3. Rich supply and export experience, sincere service

ApplicationCivil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other structures
The above are the general items, for the special types, we can also meet your needs.

Product Specifications

Specifications（mm）Specifications（mm）
20*20*1.080*80*3.5
25*25*1.880*80*7.75
25*25*2

100*100*11.75

25*25*2.5100*100*2.75
25*25*2.75100*100*3.75
250*250*9.5100*100*4.75
30*30*0.7100*100*7.75
30*30*1.5120*120*2.75
30*30*1.8120*120*4.75
30*30*2150*150*11.75
30*30*2.5150*150*3.75
30*30*2.75150*150*5.75
40*40*1.5180*180*8
40*40*2.5200*200*4.75
50*50*2.5200*200*7.5
50*50*2.5200*200*7.75
50*50*3.0300*300*11.75
50*50*3.5300*300*12
50*50*3.5300*300*9.75
60*60*2.5400*400*11.5
60*60*3.0400*400*11.75
80*80*2.5500*500*11.75
The above are the general items, for the special types, we can also meet your needs.
Product DetailsProduct ProductionProduct Warehouse
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Applications
Carbon steel pipes are used in the construction industry, oil and gas industry, manufacturing, chemical industry, metallurgy, electric power, environmental protection and other fields. They are widely used in manufacturing structural parts and mechanical parts, such as oil drill pipes, automobile drive shafts, bicycle frames and construction Steel scaffolding used in construction, etc.

Project Cases

Additional Processing Technology
Carbon steel pipes can be treated with additional processes such as cutting, punching, labeling, oiling, welding, bending, and beveling.

Product Packaging

Product Transportation

China

America

Germany

 Japan 

France

Britain

International

GB3077

AlSI    

DIN

JIS

NE

BS

ISO

20Mn2

1320

1221

20Mn5

SMn21

20M5

150M19

-

30Mn2

1330

30Mn5

SMn24

32M5

150M28

-

35Mn2

1335

36Mn5

SMnl

35M5

150M36

-

40Mn2

1340

1341

-

SMn2

40M5

-

-

45Mn2

1345

46Mn7

SMn3

45M5

-

-

50Mn2

1052

50Mn7

-

55M5

-

-

20MnV

-

20MnV6

-

 

-

-

30Mn2MoW

-

--

-

 

-

-

27SiMn

-

27MnSi5

-

 

-

-

35SiMn

-

37MnSi5

-

38MS5

-

-

42SiMn

-

38MnSi4

46MnSi4

-

38MS5

-

-

20SiMn2MoV

-

-

-

-

-

-

25SiMn2MoV

-

-

-

-

-

-

37SiMn2MoV

-

-

-

-

-

-

40B

14B35

35B2

-

-

-

-

45B

50B46H

45B2

-

-

-

-

50B

14B50

-

-

-

-

-

4OM∏B

15B41

-

-

-

-

-

45MnB

15B48

50B44

-

-

-

-

-

20Mn2B

-

-

-

-

-

-

20MnMoB

80B20

-

-

-

-

-

15MnVB

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

20MnVB

-

-

-

-

-

-

40MnVB

-

-

-

-

-

-

20MnTiB

-

-

-

-

-

-

25MnTiBRE

-

-

-

-

-

-

2OSiMnVB

-

-

-

-

-

-

15Cr

5015

5115

15Cr3

SCr21

12C3

523A14

523M15

-

15CrA

-

-

-

-

-

-

20Cr

5120

20Cr4

SCr22

18C3

18C4

527A19

527M20

683/11

20Cr4

20CrS4

30Cr

5130

28Cr4

SCr2

28C4

32C4

530A30

530A32

-

35Cr

5135

34Cr4

37Cr4

SCr3

38C4

530A36

683/8

3、 3a、 3b

40Cr

5140

38Cr4

41Cr4

SCr4

42C4

530A40

530M40

683/1

4、 4a^ 4b

45Cr

5145

42Cr4

SCR5

45C4

-

-

50Cr

5150

5152

-

-

50C4

En48

-

38CrSi

-

-

-

-

-

-

12CrMo

4119

13CrMo44

-

12CD4

15CD2

-

-

15CrMo

ASTM

A-387Gr. B

15CrMo5

16CrMo44

SCM21

15CD4. 05

BS1653

-

20CrMo

4118

20CrMo5

22CrMo4

SCM22

18CD4

20CD4

CDS 12

CDSllO

-

30CrMo

4130

25CrMo4

SCM2

30CD4

CDS 13

-

30CrMoA

-

32CrMol2

3ICRMo12

-

-

-

-

35CrMo

4135

4137

34CrMo4

35CrMo4

SCM3

35CD4

78A37

683/1

C35ea

C35eb

42CrMo

4140

4142

41CrMo4

42CrMo4

SCM4

40CD4

42CD4

708M40

708A42

709M40

683/1

3

12CrMoV

-

-

-

-

-

-

35CrMoV

-

35CrMoV5

-

-

-

-

12CrlMoV

-

13CrMoV4.2

-

-

-

-

25Cr2MoVA

-

24CrMoV5.5

-

-

-

-

25Cr2MolVA

-

-

-

-

-

-

20CR3MoWVA

-

21CrVMoW12

-

-

-

-

38CrMoΛl

6370 (ΛMS)

34CrAlMo5

41CrAlMo7

SACM645

40CAD6.12

905M39

683/10

41CrAlMo74

20CrV

6120

22CrV4

-

22CrV4

-

-

40CrV

6140

42CrV

-

42CrV4

-

-

50CrVA

6150

50CrV4

SUPlO

50CV4

735A50

-

15CrMn

-

16MnCr5

-

16MC5

-

-

20CrMn

5120

20MnCr5

SMC21

20MC5

-

-

40CrMn

5140

-

SMC3

-

-

-

20CrMnSi

-

-

 

-

-

-

25CrMnSi

-

-

SMKl

-

-

-

30CrMnSi

-

-

-

-

-

-

30CrMnSiA

-

-

-

-

-

-

35CrMnSiA

-

-

SMK2

-

-

-

20CrMnMo

4119

20CrMo5

SCM23

-

-

-

40CrMnMo

4140

-

-

-

-

-

20CrMnTi

-

-

SMK22

-

-

-

30CrMnTi

-

30MnCrTi4

-

-

-

-

20CrNi

3120

20NiCr6

-

20NC6

637A16

637M17

-

40CrNi

3140    

46NiCr6

SNCl

35NC6

640A35

640M40

-

45CrNi

3145

45NiCr6

-

-

-

-

50CrNi

3150

-

-

-

-

-

12CrNi2

3115

14NiCrlO

SNC21

IONCll

14NC11

-

-

12CrNi3

3310

13NiCrl2

SNC22

10NC12

14NC12

655A12

655M13

-

20CrNi3

-

22NiCrl4

-

20NC11

-

-

30CrNi3

-

28NiCrlO

31NiCrl4

SNC2

30NC11

30NC12

-

-

37CrNi3

-

35NiCrl8

SNC3

35NC15

-

-

12Cr2Ni4

E3310

14NiCrl8

-

12NC15

-

-

20Cr2Ni4

E3316

22NiCrl4

-

20NC14

659A15

659M15

-

20CrNiMo

8620    

8720     

20NiCrMo2

21NiCrMo2

-

20NCD2

805A20

805M20

-

40CrNiMoA

4340     

9840     

36NiCrMo4

40NiCrMo6

SNCM8

35NCD5

40NCD3

817M40

816M40

-

45CrNiMoVA

4437     

-

SNCM9

-

-

-

18Cr2Ni4WA

 

 

 

 

 

 

25Cr2Ni4WA

 

 

 

 

 

 

 

FAQ

Q

How to contact us?

A

If you are interested in our products, please feel free to contact us at any time. You can contact our product manager through email or the message board at the bottom of the page.

Q

What are your main products?

A

Our main products areOur main products are agricultural machinery and accessories, engineering machinery and accessories, and steel plate shaped parts

Q

Do you provide customized product services?

A

Of course, our professional R&D team can design and produce the products you need according to your specifications and drawings. For example: special size, special control, OEM, etc.

Q

How long will it take for me to get the price?

A

Please provide product specifications such as material, size, quantity and other requirements. We usually quote within 6 hours, and steel prices fluctuate with the market every day. Our prices are very competitive because we have a stable supply chain. If you would like to get a price as soon as possible, please call us or let us know by email so that we can prioritize your inquiry.

Q

Are you a manufacturer?

A

We have our own factory, combined with years of experience in the domestic agricultural and engineering machinery market and steel market, as well as long-term cooperation with upstream and downstream suppliers. Stable prices, quality, and supply capabilities give us a great advantage in terms of products.

Q

Can we visit your factory?

A

Of course, we welcome you to visit our factory on site or visit our production line through online video to understand our strength and quality. We will arrange a professional team to serve you.You just need to send your itinerary and leave the rest to us.

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