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difference between EN 10216 stee pipe and A333 alloy pipe?

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  • The Technological of Steel Pipe
  • difference between EN 10216 stee pipe and A333 alloy pipe?
difference between A312 stainless steel pipe and TP304L seamless pipe?
February 13, 2023
I have a little insight about steel pipe manufacturing
February 25, 2023

difference between EN 10216 stee pipe and A333 alloy pipe?

EN10216-2 Seamless Steel Tubes For Pressure

EN 10216 Steel Pipe vs ASTM A333 Alloy Pipe

The differences between EN 10216 steel pipe and ASTM A333 alloy pipe are vast and numerous, but the primary differences lie in their chemical composition and mechanical properties. EN 10216 is a standard for seamless steel pipes that are used for pressure applications, while ASTM A333 is a standard for welded and seamless alloy steel pipes. Both are used primarily in the industrial and energy sectors.

Chemical Composition

The chemical composition of EN 10216 steel pipe and ASTM A333 alloy pipe differ significantly. EN 10216 steel pipe contains carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, copper, and vanadium. ASTM A333 alloy pipe contains carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, and nickel.

Mechanical Properties

The mechanical properties of EN 10216 steel pipe and ASTM A333 alloy pipe also differ significantly. The EN 10216 steel pipe has a maximum yield strength of 295 MPa and a minimum yield strength of 240 MPa. The ASTM A333 alloy pipe has a maximum yield strength of 415 MPa and a minimum yield strength of 205 MPa.

Additionally, the EN 10216 steel pipe has a maximum tensile strength of 530 MPa and a minimum tensile strength of 415 MPa. The ASTM A333 alloy pipe has a maximum tensile strength of 690 MPa and a minimum tensile strength of 485 MPa.

The EN 10216 steel pipe has an elongation of 22% at a gauge length of 50mm, while the ASTM A333 alloy pipe has an elongation of 25% at a gauge length of 50mm. The EN 10216 steel pipe has an impact energy of 27 Joules at -20°C, while the ASTM A333 alloy pipe has an impact energy of 27 Joules at -20°C.

Applications

The applications of EN 10216 steel pipe and ASTM A333 alloy pipe also differ significantly. EN 10216 steel pipe is used primarily in the industrial and energy sectors for boilers, heat exchangers, and condensers. ASTM A333 alloy pipe is used primarily in the automotive and construction industries for structural components, such as pipes, tubes, and valves.

Conclusion

The differences between EN 10216 steel pipe and ASTM A333 alloy pipe are vast and numerous. EN 10216 steel pipe is typically used in the industrial and energy sectors for boilers, heat exchangers, and condensers, while ASTM A333 alloy pipe is typically used in the automotive and construction industries for structural components. The chemical composition and mechanical properties of these two types of pipes differ significantly.

 

EN 10216-2 Chemical Composition:

Steel grades EN10216-2 CHEMICAL COMPOSITION (LADLE ANALYSIS)
C% max Si% max Mn% max P% max S% max Cr% max Mo% max Ni% max Al.cał% min Cu% max Nb% max Ti% max V% max Cr+ Cu+ Mo+ Ni% MAX
P195GH 0.13 0.35 0.70 0.025 0.020 0.30 0.08 0.30 ≥ 0.020 0.30 0.010 0.040 0.02 0.70
P235GH 0.16 0.35 1,20 0.025 0.020 0.30 0.08 0.30 ≥ 0.020 0.30 0.010 0.040 0.02 0.70
P265GH 0.20 0.40 1,40 0.025 0.020 0.30 0.08 0.30 ≥ 0.020 0.30 0.010 0.040 0.02 0.70
16Mo3 0.12- 0.20 0.35 0.40- 0.70 0.025 0.020 0.30 0.25- 0.35 0.30 ≥ 0.020 0.30 – – – –
14MoV6-3 0.10- 0.15 0.15- 0.35 0.40- 0.70 0.025 0.020 0.30- 0.60 0.50- 0.70 0.30 ≥ 0.020 0.30 – 0.22-0.28 – –
13CrMo4-5 0.15 0.50- 1,00 0.30- 0.60 0.025 0.020 1,00- 1,50 0.45- 0.65 0.30 ≥ 0.020 0.30 – – – –
10CrMo9-10 0.10- 0.17 0.35 0.40- 0.70 0.025 0.020 0.70- 1,15 0.40- 0.60 0.30 ≥ 0.020 0.30 – – – –

EN 10216-2 Mechanical Property:

EN 10216-2 Mechanical properties
Steel grades Mechanical properties during tensile testing in room temperature Resilience
Upper yield limit or yield strength Re or R0.2 for wall thickness of t min Tensile strength Rm Elongation A min% Minimum energy average absorbed KVJ at the temperature of 0°C
T≤16 16<T≤40 40<t≤60 60<T≤60 I T
MPa MPa MPa MPa MPa I t 20 0 -10 20 0
P195GH 195 – – – 320- 440 27 25 – 40 28 – 27
P235GH 235 225 215 – 360- 500 25 23 – 40 28 – 27
P265GH 265 255 245 – 410- 570 23 21 – 40 28 – 27
16Mo3 280 270 260 – 450- 600 22 20 40 – – 27 –
14MoV6-3 320 320 310 – 460- 610 20 18 40 – – 27 –
13CrMo4-5 290 290 280 – 440- 590 22 20 40 – – 27 –
10CrMo9-10 280 280 270 – 480- 630 22 20 40 – – 27 –

EN 10216-2 Equivalent steel grade:

Steel Grade Steel Standard Steel Grade Steel Standard Steel Grade
P235GH DIN 17175 St 35.8    
P265GH DIN 17175 St 45.8    
16Mo3 DIN 17175 15Mo3    
10CrMo55   15Mo3 BS 3606 621
13CrMo45 DIN 17175   BS 3606 620
10CrMo910 DIN 17175 13CrMo44 BS 3606 622
25CrMo4   10CrMo910    
P355N DIN 17179 StE 355    
P355NH DIN 17179 TStE 355    
P355NL1 DIN 17179 WStE 460    
P460N DIN 17179 TStE 460    
P460NH DIN 17179 WStE 460    
P460NL1 DIN 17179 TStE 460    

ANSON can supply EN 10216-2 steel pipe from stock or from reputed steel mills. We also offer steel fabrication service where steel tube can go through processings like cutting, welding, bending, machining, pre-coating, pre-lined, beveling, or as you require. Our steel mills have fabricating employees that have 5-10 years of working experience. If you are interested in buying EN10216-2 steel pipe products, contact us now for the latest price or check the following table for equivalent steel grade of EN10216-2.

Dimension for EN10216-2 Steel pipe

EN 10216-2 Outside diameter and wall thickness tolerances
Outside diameter D mm Permissible deviations of outside diameter D Permissible deviations of wall thickness t depending on the T/D ratio
≤0.025 >0.025
≤0.050
>0.050
≤0.10
>0.10
D≤219,1 +\- 1% or =\- 0.5mm depending on which is greater +\- 12,5% or 0.4 mm depending on which is greater
D>219,1 =\- 20% =\- 15% =\- 12,5% =\- 10%
For the outside diameter of D≥355,6 mm, local deviation outside of the upper deviation limit by further 5% of the wall thickness T is permitted

 

EN 10216-2 Inside diameter and wall thickness tolerances
Permissible deviations of inside diameter Permissible T deviations depending on the T/d ratio
d dmin <\-0.03 >0.03
≤0.06
>0.06
≤0.12
>0.12
+\- 1% or +\- 2mm depending on which is greater +2% +4mm
depending on which is greater
+\-20% +\-15% +\-12,5% +\-10%
For the outside diameter of D≥355,6 mm, local deviation outside of the upper deviation limit by further 5% of the wall thickness T is permitted

 Inspection and Test For EN 10216-2 Steel Pipe

Inspection and test type Test frequency Test category
Mandatory tests Ladle analysis One per ladle 1 2
Tensile testing in room temperature One per every test pipe X X
Flattening test for D<600mm and the ratio of D≤0.15 but T≤40mm or ring testing for D>150mm and T ≤40mm X X
Rolling test on a mandrel bar for D≤150mm and T≤10mm or ring testing for D≤114,3mm and T ≤12,5mm X X
Resilience testing at the temperature of 20 ºC X X
Tightness testing Every pipe X X
Dimensional testing   X X
Visual inspection   X X
NDT in order to identify longitudinal discontinuity Every pipe X X
Material identification for alloy steel X X
Optional tests Final product analysis One per ladle X X
Tensile testing at elevated temperature One per ladle and for the same thermal processing conditions X X
Resilience testing One per every test pipe X X
Resilience testing in the machine direction at the temperature of -10ºC for non-alloy steel grades X X
Wall thickness measurement at a distance from pipe ends   X X
NDT in order to identify transverse discontinuity Every pipe X X
NDT in order to identify delamination X X
 

 

 

 ASTM A333 Steel Pipe Surface inspection requirements

Surface imperfections that penetrate more than 12½ % of the nominal wall thickness or encroach on the minimum wall thickness shall be considered defects. ASTM A333 steel pipe with such defects shall be given one of the following dispositions:

  • The defect may be removed by grinding provided that the remaining wall thickness is within specified limits.
  • Repaired in accordance with the repair welding provisions.
  • The section of pipe containing the defect may be cut off within the limits of requirements on length.
  • The defective pipe may be rejected.

 ASTM A333 Steel Pipe Chemical Composition:

Standard Grade Chemical Composition (%)
C Si Mn P S Cr Ni Cu Mo V Al
ASTM A333 Grade 1 ≤0.30   0.40~1.06 ≤0.025 ≤0.025            
Grade 3 ≤0.19 0.18~0.37 0.31~0.64 ≤0.025 ≤0.025   3.18~3.82        
Grade 4 ≤0.12 0.18~0.37 0.50~1.05 ≤0.025 ≤0.025 0.44~1.01 0.47~0.98 0.40~0.75     0.04~0.30
Grade 6 ≤0.30 ≥0.10 0.29~1.06 ≤0.025 ≤0.025            
Grade 7 ≤0.19 0.13~0.32 ≤0.90 ≤0.025 ≤0.025   2.03~2.57        
Grade 8 ≤0.13 0.13~0.32 ≤0.90 ≤0.025 ≤0.025   8.40~9.60        
Grade 9 ≤0.20   0.40~1.06 ≤0.025 ≤0.025   1.60~2.24 0.75~1.25      
Grade 10 ≤0.20 0.10~0.35 1.15~1.50 ≤0.03 ≤0.015 ≤0.15 ≤0.25 ≤0.015 ≤0.50 ≤0.12 ≤0.06
Grade 11 ≤0.10 ≤0.35 ≤0.6 ≤0.025 ≤0.025 ≤0.50 35.0~37.0   ≤0.50    

 ASTM A333 Steel Pipe Mechanical Property:

Standard Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
Y X
ASTM A333 Grade 1 ≥380 ≥205 ≥35 ≥25
Grade 3 ≥450 ≥240 ≥30 ≥20
Grade 4 ≥415 ≥240 ≥30 ≥16.5
Grade 6 ≥415 ≥240 ≥30 ≥16.5
Grade 7 ≥450 ≥240 ≥30 ≥22
Grade 8 ≥690 ≥515 ≥22  
Grade 9 ≥435 ≥315 ≥28  
Grade 10 ≥550 ≥450 ≥22  
Grade 11 ≥450 ≥240 ≥18  

 ASTM A333 Steel Pipe Strike temperature condition:

Grade The lowest temperature for strike test
°F °C
ASTM A333 Grade 1 -50 -45
ASTM A333 Grade 3 -150 -100
ASTM A333 Grade 4 -150 -100
ASTM A333 Grade 6 -50 -45
ASTM A333 Grade 7 -100 -75
ASTM A333 Grade 8 -320 -195
ASTM A333 Grade 9 -100 -75
ASTM A333 Grade 10 -75 -60
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