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Address : Hunan Steel Industrial Zone, No.9 Xiangfu Road, Yuhua District, Changsha, China

Tel : +86-731-88678531 

Fax : +86-731-88678531

Email : sales@bestartubes.com

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Structures Tube and Others

Structures tube and others: For manufacture of pipelines,vessels,equipment,pipe fittings and steel structures. Standard:ASTM A519,DIN 1629,DIN 2391,ASTM A519,ASTM A513, BS 6323,EN 10305-1, JIS G3441

  • Description
  • Product Details
  • Process
  • Package & Transportation
  • Our Advantages
  • Inquiry

TopProduct Details

                                               

Standard:

Mechanical Tubing: ASTM A519:ASTM A519 American Society for Testing Material

Tube for Structures:DIN 1629 :Deutsches Institut fǖr Normung

Size: OD: 10.3mm-711.2mm WT: Hot finish: 0.250"-4.00" Cold drawn: 0.035"-0.875" Length: Random Length,Fixed Length, SRL,DRL

Heart treatment: Annealed, Normalized,Stress relieved ,Cold

Uses: For manufacture of pipelines,vessels,equipment,pipe fittings and steel structures.

Grade:

Mechanical Tubing:1010,1020,1045,1518,4118,4130,4135,4140

Tube for Structures:St37.0, St44.0, St55, St52.0


Chemical Composition (%):

Standard

Grade

C

Si

Mn

P

S

Cr

Ni

Cu

V






Q/BQB 203

DIN 1629


St37.0

≤0.17


0.17-0.37


0.35-0.65

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St44.0

≤0.21


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St55


0.33-0.41


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St52.0

≤0.22

≤0.55

≤1.60

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


CK45


0.42-0.50


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-

Note: Grades other than the a.m. chart can be made available through consultations.


 Mechanical Properties:

Standard


Grade


(MPa)

Tensile strength

Yield strength not less than

Elongation not less than

Impact test

(℃)

Temperature

(KV/J)

Absorbed energy

≤16mm

>16-30mm






Q/BQB 203

DIN 1629


-


-


≤16mm


>16mm


-


-


-


St37.0


350-480


235


225


25


-


-


St44.0


420-550


275


265


21


-


-


St55


540-645


295


285


17


-


-


St52.0


500-650


355


345


21


-


-


CK45


590-730


335


325


14


-


-

TopProcess

TopPackage & Transportation

                                

TopOur Advantages

1. Professional steel pipe manufacturer over 20 years.

2. Quality: produce according to the given standard such as ASTM, ASME, DIN, EN, ISO. 

3. Inspection: Third Party Inspection or customer of inspection both ok, such as SGS,BV.

4. Prompt feedback: all your emails and questions would be replied within 1 working hours.

5. Flexible payment terms: T/T, L/C and so on.

Product Details

                                               

Standard:

Mechanical Tubing: ASTM A519:ASTM A519 American Society for Testing Material

Tube for Structures:DIN 1629 :Deutsches Institut fǖr Normung

Size: OD: 10.3mm-711.2mm WT: Hot finish: 0.250"-4.00" Cold drawn: 0.035"-0.875" Length: Random Length,Fixed Length, SRL,DRL

Heart treatment: Annealed, Normalized,Stress relieved ,Cold

Uses: For manufacture of pipelines,vessels,equipment,pipe fittings and steel structures.

Grade:

Mechanical Tubing:1010,1020,1045,1518,4118,4130,4135,4140

Tube for Structures:St37.0, St44.0, St55, St52.0


Chemical Composition (%):

Standard

Grade

C

Si

Mn

P

S

Cr

Ni

Cu

V






Q/BQB 203

DIN 1629


St37.0

≤0.17


0.17-0.37


0.35-0.65

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St44.0

≤0.21


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St55


0.33-0.41


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


St52.0

≤0.22

≤0.55

≤1.60

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-


CK45


0.42-0.50


0.17-0.37


0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25


-

Note: Grades other than the a.m. chart can be made available through consultations.


 Mechanical Properties:

Standard


Grade


(MPa)

Tensile strength

Yield strength not less than

Elongation not less than

Impact test

(℃)

Temperature

(KV/J)

Absorbed energy

≤16mm

>16-30mm






Q/BQB 203

DIN 1629


-


-


≤16mm


>16mm


-


-


-


St37.0


350-480


235


225


25


-


-


St44.0


420-550


275


265


21


-


-


St55


540-645


295


285


17


-


-


St52.0


500-650


355


345


21


-


-


CK45


590-730


335


325


14


-


-

Process

Package & Transportation

                                

Our Advantages

1. Professional steel pipe manufacturer over 20 years.

2. Quality: produce according to the given standard such as ASTM, ASME, DIN, EN, ISO. 

3. Inspection: Third Party Inspection or customer of inspection both ok, such as SGS,BV.

4. Prompt feedback: all your emails and questions would be replied within 1 working hours.

5. Flexible payment terms: T/T, L/C and so on.

Inquiry

Your Name:*

E-Mail:*

Inquiry:*