En10216-2 16mo3 Alloy Seamless Pipes

• Type: Seamless
• Technique: Cold Drawn
• Material: Alloy Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Machinery Industry, Chemical Industry, Special Purpose
• Section Shape: Round
• Model NO.: KM-20210108
• Outside Diameter: 10mm~610mm
• Thickness: 1~30mm
• Length: 5.8m, 6m, 11.8m, 12m, or as Required.
• Standards: En10216-2
• Materials: 16mo3
• Transport Package: in Bundle, or Customer′s Request
• Specification: 10 mm~610mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 73045990
• Production Capacity: 500 Tons/Month

Product Description

EN10216-2 16mo3 alloy seamless pipes

• OD: 10mm-610mm
• WT: 1mm~30mm
• Length: 5-12m or as to customer requirement
• Application: Hydraulic system pipeline pipe, pipe for boiler project, construction structure, etc.
• Supplementary Technology: Plain or threaded with socket or beveled with plastic caps, hydraulic testing, eddy current, Infrared test.
• Surface: Painting, oil coating, Anti-corrosion & Insulation.
• Delivery state: Hot Rolled, Cold Drawn.

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
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	-	-	-	-

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
16Mo3	280	270	260	-	450- 600	22	20	40	-	-	27	-

EN 10216-2 Equivalent steel grade:

Steel Grade	Steel Standard	Steel Grade	Steel Standard	Steel Grade
16Mo3	DIN 17175	15Mo3

 

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