PRODUCTS

A179 Seamless Steel Tube


ASTM A179 is equivalent to China's No. 10 high-quality low-carbon steel. A179 is suitable for cold-drawn high-quality low-carbon seamless steel pipes for heat exchangers and condensers.


CERTIFICATE
ISO/EC 17021:2011
GB/T24001-2004
GB/T 24001-2016
Quality Management System Certificate

Description

A179 Seamless Steel Tube Description

ASTM A179 is equivalent to China's No. 10 high-quality low-carbon steel. A179 is suitable for cold-drawn high-quality low-carbon seamless steel pipes for heat exchangers and condensers.


Product Parameters

Product nameA179 Seamless Steel Tube
Section ShapeRound seamless steel pipe
Surface TreatmentHot Rolled
Length12M, 5.8m, 6.4M or Customer's Request
Wall Thickness1.0mm~60mm or Customer's Request
Diameter21.3mm-609.6mm or Customer's Request
Tolerance±1%
Alloy Or NotNon-Alloy
StandardGB
Delivery Time8-14 days
Delivery TermCFR CIF FOB
ApplicationFluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other
Special PipeAPI Pipe, Other, EMT Pipe, Thick Wall Pipe
Thickness1-2000mm
CertificateAPI, CE, Bsi, RoHS, SNI, BIS, SASO, PVOC, SONCAP, SABS, sirm, tisi, KS, JIS, GS, ISO9001
Processing Service

Welding, Punching, Cutting, Bending, Decoiling

Product Specifications

Specifications(mm)Diameter * wall thickness

14x3

60x6

168x9.5

325x20

14x3.5

60x7

168x10

325x22

14x4

60x8

168x11

325x23

16x3

60x9

168x12

325x25

18x2

60x10

168x14

325x28

18x3

76x4.5

168x15

325x30

18x4

76x5

168x16

325x32

18x5

76x6

168x18

325x36

19x2

76x7

168x20

325x40

21x4

76x8

168x22

325x45

22x2.5

76x9

168x25

356x9.5

22x3

76x10

168x28

356x12

22x4

89x4

180x10

356x15

22x5

89x4.5

194x10

356x19

25x2.5

89x5

194x12

356x28

25x3

89x5.5

194x14

356x36

25x4

89x6

194x16

377x9

25x5

89x7

194x18

377x10

25x5.5

89x7.5

194x20

377x12

27x3.5

89x8

194x26

377x14

27x4

89x9

219x6.5

377x15

27x5

89x10

219x7

377x16

27x5.5

89x11

219x8

377x18

28x5.5

89x12

219x9

377x20

28x3

108x4.5

219x10

377x22

28x3.5

108x5

219x12

377x25

28x4

108x6

219x13

377x32

30x2.5

108x7

219x14

377x36

32x2.5

108x8

219x16

377x40

32x3

108x9

219x18

377x45

32x3.5

108x10

219x20

377x50

32x4

108x12

219x22

406x9.5

32x4.5

108x14

219x24

406x11

32x5

108x15

219x25

406x13

34x3

108x16

219x26

406x17

34x4

108x20

219x28

406x22

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

 

 

 

 

 

 


 

Product DetailsProduct ProductionProduct Warehouse
111111
111111

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
We can provide steel pipe treatment services such as 3PE anti-corrosion, as well as processing services such as bending, cutting, punching, and marking.

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

 

 

 

 

 

 

 

Certificates

CERTIFICATE
ISO/EC 17021:2011
GB/T24001-2004
GB/T 24001-2016

Factory Workshop

Factory Workshop
Factory Workshop
Factory Workshop
Factory Workshop
Factory Workshop
Factory Workshop
Factory Workshop
Factory Workshop

Shipping & Packaging

Shipping & Packaging
Shipping & Packaging
Shipping & Packaging
Shipping & Packaging
Shipping & Packaging
Shipping & Packaging

Application

Application
Application
Application
Application
Application
Application

Customer Feedback

Client Feedback
Client Feedback
Client Feedback

FAQ

...

Q

Are you a stock manufacturer or a trading company?


A

We are a ​stock manufacturer with our own production facilities and inventory. This means: ​Direct Quality Control We oversee the entire production process, ensuring strict quality standards from raw materials to finished products. ​Faster Delivery With ready stock and streamlined production, we guarantee shorter lead times compared to trading intermediaries. ​Cost-Effective Pricing By eliminating third-party margins, we offer competitive pricing without compromising on quality. ​Customization Flexibility While we maintain standard inventory, we also support tailored solutions for bulk orders to meet specific client requirements. ​Transparent Communication As a direct manufacturer, we provide clear technical support and real-time updates on order status. Interested in learning more? Contact us to discuss your needs or request a product catalog!

Q

How do I get the price information?


A

For accurate and tailored pricing, please contact us via ​email or the inquiry form on our website. Here’s why we prioritize direct communication: ​Customized Quotes As a stock manufacturer, we offer volume-based discounts and adjust pricing based on your order quantity, material specifications, or customization needs. ​Real-Time Updates Prices may fluctuate due to raw material costs or seasonal promotions. Direct contact ensures you receive the latest offers. ​Expert Support Our team will provide detailed technical guidance alongside pricing to help you select the most cost-effective solution. We typically respond within ​1 business hour!

Q

Do you provide customised product service?


A

Absolutely. As a Tier-1 metal solutions partner, Shandong Maike Metal Materials Co., Ltd. specializes in delivering precision-engineered products tailored to your unique technical, dimensional, and compliance requirements. From prototype development to bulk production, we turn complex specifications into reality.

Q

What payment methods do you accept?


A

We accept secure and flexible payment options to facilitate global transactions, including: ​TT (Telegraphic Transfer) The most common method for international trade, ensuring fast and direct bank-to-bank transfers. ​Other Methods For specific regional or customized needs, please contact our finance team.

Q

What is the minimum order quantity (MOQ)?


A

Our standard ​minimum order quantity is 1 kilogram. This flexible policy is designed to: ​Enable Sample Testing New clients can order small quantities to evaluate product quality before committing to bulk purchases. ​Support Flexible Scalability Start with 1kg for urgent needs or niche projects, and scale up seamlessly to tons for long-term partnerships. ​No Hidden Constraints The 1kg MOQ applies to most stocked items—no mandatory volume tiers or bundling requirements. ​Quality Consistency Whether you order 1kg or 10 tons, we ensure the same certified quality standards. Why such a low MOQ? As a stock manufacturer, we prioritize accessibility and trust-building. Our in-house inventory allows us to serve both startups and large enterprises without compromising efficiency.

Q

Do you provide samples? Is it free or extra charge?


A

Yes, we ​provide samples free of charge to help you verify product quality and compatibility. Here’s what you need to know: ​Zero Sample Fees Most standard items are available for free sampling (1-2 units or small quantities). ​Shipping Flexibility Free Shipping: Available for bulk order commitments. Paid Shipping: Clients cover express freight costs for non-bulk trial orders (we use discounted carrier rates). ​Custom Sample Support If you require tailored specifications, our engineers will work with you to develop samples at minimal cost. Why do we offer free samples? As a trusted stock manufacturer, we prioritize transparency and long-term partnerships. Testing our samples allows you to: ✅ Confirm material quality and performance. ✅ Reduce procurement risks before large orders. ✅ Streamline approvals for your end clients.

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