difference between EN 10216 stee pipe and A333 alloy pipe?

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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)
Steel grades	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	Tensile strength Rm	Elongation A min%		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
Outside diameter D mm	Permissible deviations of outside diameter D	≤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	+\- 1% or =\- 0.5mm 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

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	Every pipe	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	One per every test pipe	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	Every pipe	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 (%)
Standard	Grade	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 (%)
Standard	Grade	Tensile Strength (MPa)	Yield Point (MPa)	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
Grade	°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