DIN 1629 St37 St44 St52 Seamless Steel Pipe

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling
• Section Shape: Round
• Model NO.: KM-20210105
• Size: 17.2~114.3mm
• Thickness: 1.6~10mm
• Standards: DIN2448
• Materials: St37 St44 St52
• Applications: for High, Middle, Low Pressure Boiler Purpose.
• Surfaces: Oils, Varnish, Passivating, Black Painting
• Transport Package: in Bundle or Wooden Cases.
• Specification: 17.2~114.3mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 73043110
• Production Capacity: 1000 Tons Per Month

Product Description

DIN 1629 ST37 ST44 ST52 Seamless steel pipe

Din 1629 Steel Pipe Specification

Standards	Din 1629 Seamless Pipe
Din 2448 Tube Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Din 2448 Pipe Schedule	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Din 2448 Seamless Tube Size	3.35 mm OD To 101.6 mm OD
Din 2448 Tube wall thickness	1~20mm, (special wall thicknesses available)
Length	Single Random, Double Random, Standard & Cut length Pipe & Tube
Finish	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
End	Plain End, Beveled End, Treaded Pipe & Tube
Marking	All Din 2448 Seamless Pipe are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.)
Application	Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube
Value Added Service	Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Test Certificate	Manufacturer Test Certificate  Laboratory Test Certificate from Govt. Approved Lab.  Under Third Party Inspection
We can also cut, thread, and groove Din 2448 Seamless Pipe to meet your specifications.

 

DIN 1629 ST37 Chemical Composition

Grades	Weld deoxidation type ( semi-killed steel only) RR special killed	C%	P%	S%	N%	Addition of nitrogen binding elements e.g. min 0,020% total Al
DIN 2448 St37.0	R	0,17	0,040	0,040	0,009	-
DIN 2448 St44.0	R	0,21	0,040	0,040	0,009	-
DIN 2448 st 52	RR	0,22	0,040	0,035	-	YES

 

DIN 1629 Mechanical Properties

Types	Grades	Upper yield limit Re min for wall thickness in mm min			Tensile strength Rm MPa	Elongation A% min
ROUND SEAMLESS CS PIPES FOR SPECIAL REQUIREMENTS DIN St37.0, DIN St44.0, DIN St52.0 according to DIN 1629		16	16 40	40 65		1	t
	DIN 2448 St37.0	235	225	215	350-480	25	23
	DIN 2448 St44.0	275	265	255	420-550	21	19
	DIN 2448 st 52	355	345	335	50-650	21	19