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En10210 S355j0h /En10219/En10205/ASTM A500/S235jr/S275jr/S355j2h Seamless&Welded Black Square Rectangular Steel Tube Square Rectangular Hollow Section

Marine stainless steel pipes are used more in our creation. In actuality, there are lots of kinds of stainless steel pipes, and the standard of the sort of product is still great, and it's far more convenient to use.

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En10210 S355j0h /En10219/En10205/ASTM A500/S235jr/S275jr/S355j2h Seamless&Welded Black Square Rectangular Steel Tube Square Rectangular Hollow Section

Since the establishment of our company, in the case of rapid rise in raw materials, it has always adhered to the high quality and high standard of products, taken the maintenance of the reputation and future of the whole industry as its own responsibility, come through the severe market test and took high-quality 410 stainless steel sheets, 316L stainless steel sheets, 2507 stainless steel sheets as the core competitiveness of enterprise survival. We are brave to innovate and sincerely serve to ensure that we can meet the needs of users in the fastest time. We are adhering to the development concept of leading technology and creating the future to reduce costs for customers and create greater economic benefits and value. We have the establishment of relevant management sections, the formulation of the management of the formulation, the implementation of job responsibilities to the person, so that each work by a person responsible. Our company always insists on the business philosophy of "taking customers' interests as the core, and developing and producing cost-effective products as the fundamental".

Product Description

Marine stainless steel pipes are used more in our creation. In actuality, there are lots of kinds of stainless steel pipes, and the standard of the sort of product is still great, and it's far more convenient to use. The areas are used, and the areas used are different based on different functions.


According to various applications, the requirements for a variety of properties of stainless steel pipes are distinct, such as acid and alkali corrosion resistance, intergranular corrosion resistance and stress corrosion cracking performance, pitting corrosion resistance, weather corrosion resistance, high temperature and oxidation resistance, etc.. For use in high temperature environments, decent high temperature durability strength, durable plasticity, creep resistance and aging stability are also needed.


Production Standard:

ASTM A312 Seamless and Welded Austenitic Stainless Steel Nominal Tube

ASTM A789 Ferrite and Austenitic Stainless Steel Seamless and Welded Steel Tube for General Use

ASTM A213 Seamless Ferrite and Austenitic Alloy Steel Tube for Boiler, Superheater and Heat Exchanger

GB/T 14976-2002 Stainless Steel Seamless Pipe for Fluid Transport

GB/T 12771-2000 Stainless Steel Welded Pipe for Fluid Transport


Main grade chemical component in different standard

201

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Mo %

ASTM

0.15

1.00

5.5-7.5

0.050

0.030

3.5-5.5

16.0-18.0

0.25

-

DIN/EN

0,15

1,00

5,5-7,5

0,045

0,015

3,5-5,5

16,0-18,0

0,05-0,25

-

JIS

0.15

1.00

5.5-7.5

0.060

0.030

3.5-5.5

16.0-18.0

0.25

-

GB

0.15

1.00

5.5-7.5

0.050

0.030

3.5-5.5

16.0-18.0

0.05-0.25

-

202

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Mo %

ASTM

0.15

1.00

7.5-10.0

0.060

0.030

4.0-6.0

17.0-19.0

0.25

-

DIN/EN

0,15

1,00

7,5-10,5

0,045

0,015

4,0-6,0

17,0-19,0

0,05-0,25

-

JIS

0.15

1.00

7.5-10.0

0.060

0.030

4.0-6.0

17.0-19.0

0.25

-

GB

0.15

1.00

7.5-10.0

0.050

0.030

4.0-6.0

17.0-19.0

0.05-0.25

-

304

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Mo %

ASTM

0.08

0.75

2.00

0.045

0.030

8.0 - 10.5

18.0-20.0

0.10

-

DIN/EN

0,07

1,00

2,00

0,045

0,015

8,0 - 10,5

17,5-19,5

0,10

-

JIS

0.08

1.00

2.00

0.045

0.030

8.0 - 10.5

18.0-20.0

-

-

GB

0.08

1.00

2.00

0.045

0.030

8.0 - 10.0

18.0-20. 0

-

-

316L

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Mo %

ASTM

0.030

0.75

2.00

0.045

0.030

10.0-14.0

16.0-18.0

0.10

2.00-3.00

DIN/EN

0,030

1,00

2,00

0,045

0,015

10,0-13,0

16,5-18,5

0,10

2,00-2,50

JIS

0.030

1.00

2.00

0.045

0.030

12.0-15.0

16.0-18.0

-

2.00-3.00

GB

0.030

0.75

2.00

0.045

0.030

10.0-14.0

16.0-18.0

0.10

2.00-3.00

409

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Ti %

ASTM

0.08

1.00

1.00

0.045

0.03

0.50

10.5-11.7

-

6*C% - 0.75

DIN/EN

-

-

-

-

-

-

-

-

-

JIS

0.08

1.00

1.00

0.040

0.030

-

10.5-11.7

-

6*C% - 0.75

GB

0.08

1.00

1.00

0.045

0.030

0.60

10.5-11.7

-

6*C% - 0.75

409L

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Ti %

ASTM

0.03

1.00

1.00

0.040

0.020

0.50

10.5-11.7

0.03

6*(C+N)-0.5

DIN/EN

0.03

1.00

1.00

0.040

0.015

-

10.5-12.5

-

6*(C+N)-0.65

JIS

0.03

1.00

1.00

0.040

0.030

-

10.5-11.7

-

6*C% - 0.75

GB

0.03

1.00

1.00

0.040

0.020

-

10.5-11.7

0.03

Ti≥8*(C+N)

410S

C %

Si%

Mn %

P %

S %

Ni %

Cr %

N %

Mo %

ASTM

0.08

1.00

1.00

0.040

0.030

0.60

11.5-13.5

-

-

DIN/EN

0,08

1,00

1,00

0,040

0,015

-

12,0-14,0

-

-

JIS

0.08

1.00

1.00

0.040

0.030

-

11.5-13.5

-

-

GB

0.08

1.00

1.00

0.040

0.030

0.60

11.5-13.5

-

-


Production Process and Feature

Marine pipelines, elbows, shrimp bends, small and massive heads, marine desulfurization towers, purification towers, desulfurization towers. Adopt DIN86044, EN1092-1 and other European standards. 2205 duplex steel is often utilized in marine parts. 2205 has excellent resistance to stress corrosion cracking. Even duplex stainless steel with a lower alloy content has greater resistance to stress corrosion cracking than austenitic stainless steel, particularly in chlorine Ion atmosphere.


Application

A marine stainless steel pipe contains a corrugated steel pipe body, a fixed flange and a movable flange. Both ends of the corrugated steel pipe frame are supplied with fixed flanges symmetrically, and the fixed flange on either side of the corrugated steel pipe frame is provided with a movable flange. External reinforcing ribs are fixedly attached between the rigid flanges, the corrugated steel pipe body is provided with an inner steel pipe, the outer wall of the interior steel pipe is wrapped with an insulating layer, and the outer wall of the insulating layer is wrapped with an outer steel pipe.


We devote ourselves to building high-quality En10210 S355j0h /En10219/En10205/ASTM A500/S235jr/S275jr/S355j2h Seamless&Welded Black Square Rectangular Steel Tube Square Rectangular Hollow Section and creating long-term, sustainable value for our customers. Our firm quickly grew in size and reputation because of its absolute dedication to superior quality manufacturing, substantial price of solutions and fantastic customer services. Since the establishment of our company, we have always adhered to the principle of taking product quality as the foundation, market demand as the guidance, and creating value for customers as our responsibility.

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