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Laminated pipe Manufacturing standard

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EN 10216 European standard replaces the old standard DIN 17175 and DIN 1629. This standard is designed for pipes used in pressure applications, such as pipes

• EN 10216 contains several parts.

• EN 10216 part 1: Non-alloy steel pipes, with specified characteristics at room temperature

• EN 10216 Part 2: Non-alloy steel pipes with specified characteristics at high temperatures

• EN 10216 Part 3: Fine-grained alloy steel pipes for any temperature

• EN 10216-1, QUALITY P235TR2 (DIN 1629, ST.37.0)

• P = pressure

• 235 = flow limit in N / mm2

• TR2 = quality with specific properties related to the aluminum content, impact and inspection values ​​and test requirements. (Unlike TR1, for which this is not specified).

• EN 10216-2, QUALITY P235 GH (DIN 17175, ST.35.8 CL. 1, (BOILER PIPES)

• P = pressure

• 235 = flow limit in N / mm2

• GH = properties tested at higher temperatures

 

EN 10216-3, QUALITY P355 N (more or less equivalent to DIN 1629, ST.52.0)

• P = pressure

• 355 = flow limit in N / mm2

• N = normalized *

Normalized is defined as: normalized (hot), laminated or annealing standard (at a temperature of min 930 ° C). This applies to all steels designated by the letter N in the new European standards.

Pipes: The following standards are replaced DIN with EN

PIPES FOR PRESSURE APPLICATIONS

Executie

Norma

Steel grade

Sudate

DIN 1626

St.37.0

Sudate

DIN 1626

St.52.2

Laminate

DIN 1629

St.37.0

Laminate

DIN 1629

St.52.2

Laminate

DIN 17175

St.35.8/1

Laminate

ASTM A106*

Grade B

Laminate

ASTM A333*

Grade 6

PIPES FOR PRESSURE APPLICATIONS NEW STANDARDS

Execution

Norma

Steel grade

sudate

DIN EN 10217-1

P235TR1-2

sudate

DIN EN 10217-3

P355N

laminate

DIN EN 10216-1

P235TR1/2

laminate

DIN EN 10216-3

P355N

laminate

DIN EN 10216-2

P235GH

laminate

DIN EN 10216-2

P265GH

laminate

DIN EN 10216-4

P265NL

Dimensions according to EN 10216-1 (mm):

– Outer dimension: 6.0mm-219.0mm

– perforated thickness: 1.0mm-30 mm

– length: max 12000mm

Applications: It is used for pipes, ships, equipment, fittings

Steel grade

– EN10216-1 P195

– EN10216-1 P235

– EN10216-1 P265

The composition of this steel makes it ideal for applications where the working temperature is high or normal, and the material is used by manufacturers in the oil, gas and petrochemical industries.

EN10216-1: Chemical composition (%)

Grade

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

EN10216-1 P195

≤0.13

≤0.35

≤0.70

≤0.025

≤0.020

≤0.030

≤0.08

≤0.30

≤0.30

EN10216-1 P235

≤0.16

≤0.35

≤1.20

≤0.025

≤0.020

≤0.030

≤0.08

≤0.30

≤0.30

EN10216-1 P265

≤0.20

≤0.40

≤1.40

≤0.025

≤0.020

≤0.030

≤0.08

≤0.30

≤0.30

 

DIN10216-1Mechanical properties

Grade otel

Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation(%)L

Elongation (%)T

EN10216-1 P195

≥195

320-440

27

25

EN10216-1 P235

≥235

360-500

25

23

EN10216-1 P265

≥265

410-570

21

19

EN1026 specifies the technical delivery conditions in two test categories for circular section seamless tubes, with specified high temperature properties, of non-alloy steel and alloy steel.

Reference standard

Laminated pressure pipes

· EN 10216-1 non-alloy steel tubes with specified characteristics at room temperature

· EN 10216-2 Alloy steels and alloy steel tubes with specified high temperature characteristics

· EN 10216-3 Fine-grained alloy steel pipes

· EN 10216-4 Non-alloy and alloy steel pipes with specified characteristics at low temperature

· EN 10216-5 Stainless steel pipes

EN 10216-1Seamless steel tubes used under pressure – Technical delivery conditions – Part 1: Non-alloy steel pipes with specified characteristics at room temperature

It specifies the technical delivery conditions for two grades, T1 and T2, of seamless pipes of circular section, with properties at the specified room temperature, made of quality non-alloy steels.

EN 10216-2 Pressure seamless steel pipes – Technical delivery conditions – Part 2: Non-alloy steels and alloy steel tubes with specified high temperature characteristics, German version EN 10216-2: 2002 + A2: 2007

The document shall specify the technical delivery conditions in two test categories for circular section seamless tubes, with specified high temperature properties, of non-alloy and alloy steel.

DIN EN 10216-3

Pressure seamless steel pipes Delivery conditions – Technical purposes – Part 3: Fine-grained alloy steel tubes

It specifies the technical conditions of delivery in two categories for seamless tubes of circular section, made of fine-grained weldable alloy steel.

DIN EN 10216-4

Pressure seamless steel pipes – Technical delivery conditions – Part 4: Non-alloy and alloy steel pipes with specified low temperature characteristics

Specify the technical conditions of delivery in two categories of seamless tubes with circular sections, made with specified properties at low temperature, of non-alloy and alloy steel.

Seamless Pressed Steel Pipes – Technical Delivery Conditions – Part 5: Stainless Steel Tubes; German version EN 10216-5: 2004, Correction to DIN EN 10216-5: 2004-11, German version EN 10216-5: 2004 / AC: 2008

This part of this European Standard lays down the technical delivery conditions in two test categories for austenitic (including creep-resistant steels) and austenitic-ferritic stainless steel seamless tubes, which are applied under pressure and in order to withstand corrosion, at room temperature, at low temperatures or at high temperatures.

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