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EN10216 Seamless Steel Tube For Pressure Purpose

EN10216 seamless steel tube for pressure purpose PART 1: non-alloy steel tubes with specified room temperature properties Steel grade: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 Delivery condition: As formed, normalized, normalizing-formed Size range: OD 70mm-610mm, WT 4mm-35mm Length:...

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Description

EN10216 seamless steel tube for pressure purpose

PART 1: non-alloy steel tubes with specified room temperature properties

Steel grade: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2

Delivery condition: As formed, normalized, normalizing-formed

Size range: OD 70mm-610mm, WT 4mm-35mm

Length: commerical length

Dimension and tolerance: according to EN10216

Test: cast analysis, tensile test, impact test (for quality TR2), electromagnetic test, visual inspection

Certification: PED(97/23/EC) and AD2000, Lioyd's register

Chemical composition

Steel grade	C Max	Si Max	Mn Max	P Max	S Max	Cr Max	Mo Max	Ni Max	Al Min	Cu Max	Nb Max	Ti Max	V Max	Cr+Cu+Mo+Ni Max
P195TR1	0.13	0.35	0.70	0.025	0.020	0.30	0.08	0.30	-	0.30	0.010	0.04	0.02	0.70
P195TR2	0.13	0.35	0.70	0.025	0.020	0.30	0.08	0.30	0.02	0.30	0.010	0.04	0.02	0.70
P235TR1	0.16	0.35	1.20	0.025	0.020	0.30	0.08	0.30	-	0.30	0.010	0.04	0.02	0.70
P235TR2	0.16	0.35	1.20	0.025	0.020	0.30	0.08	0.30	0.02	0.30	0.010	0.04	0.02	0.70
P265TR1	0.20	0.40	1.40	0.025	0.020	0.30	0.08	0.30	-	0.30	0.010	0.04	0.02	0.70
P265TR2	0.20	0.40	1.40	0.025	0.020	0.30	0.08	0.30	0.02	0.30	0.010	0.04	0.02	0.70

Mechanical properties

Steel grade	Min Yield strength (MPa)		Tensile strength (MPa)	Min Elongation A (%)	Min impact energy (J) at longitudinal direction
	T(thickness) in mm			Min Elongation A (%)	Test temperature
	≤16	＞16, ≤40		longitudinal	0℃	-10℃
P195TR1	195	185	320-440	27	--	--
P195TR2	195	185	320-440	27	40	28
P235TR1	235	225	360-500	25	--	--
P235TR2	235	225	360-500	25	40	28
P265TR1	265	255	410-570	21	--	--
P265TR2	265	255	410-570	21	40	28

Part 3: alloy fine grain steel tubes (EN10216-3)

Steel grade: P355N, P355NL1, P355NL2

Delivery condition: Normalized, normalizing-formed

Size range: OD 70mm-610mm, WT 4mm-35mm

Length: commerical length

Dimension and tolerance: according to EN10216

Test: cast analysis, tensile test, impact test, electromagnetic test, visual inspection

Certification: PED(97/23/EC) and AD2000, Lioyd's register

Delivery condition

Steel grade	Forming operation	Delivery condition
P355N	Hot-finished	+N
P355NL1	Hot-finished	+N
P355NL2	Hot-finished	+N
Note: N: Normalized NL1: the low temperature quality NL2: the special low temperature quality

Chemical composition

Steel grade	C Max	Si Max	Mn	P Max	S Max	Cr Max	Mo Max	Ni Max	Al Min	Cu Max	N Max	Nb Max	Ti Max	V Max	Nb+Ti+V Max
P355N	0.20	0.50	0.9- 1.70	0.025	0.020	0.30	0.08	0.30	0.020	0.30	0.020	0.05	0.04	0.10	0.12
P355NL1	0.18	0.50	0.9- 1.70	0.025	0.020	0.30	0.08	0.30	0.020	0.30	0.020	0.05	0.04	0.10	0.12
P355NL2	0.18	0.50	0.9- 1.70	0.025	0.015	0.30	0.08	0.30	0.020	0.30	0.020	0.05	0.04	0.10	0.12

Mechanical properties

Steel grade	Min Yield strength (MPa)		Tensile strength (MPa)		Min Elongation A	Min impact energy (J) at longitudinal direction
	T (thickness) in mm		T (thickness) in mm			Test temperature at -20℃
	≤20	＞20, ≤40	≤20	＞20, ≤40	longitudinal	T (Thickness) in mm ≤40
P355N	355	345	490-650	490-630	22	40
P355NL1	355	345	490-650	490-630	22	53
P355NL2	355	345	490-650	490-630	22	70

Dimensional tolerances

Outer diameter D mm	Tolerance on D	Tolerance on T for a T/D ratio
		≤0.025	＞0.025 ≤0.050	＞0.050 ≤0.10	＞0.10
D≤219.1	±1% or ±0.5mm whichever is the greater	±12.5% or ±0.4mm whichever is the greater
D＞219.1		±20%	±15%	±12.5%	±10%

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