din 1629 standard st52 seamless steel pipe

Specifications



din 1629 standard st52 Seamless Steel Pipe

OD: 3inch - 8inch

Wall thickness:5.08mm to 25.4mm

Standard:DIN 1629/2448












din 1629 standard st52 seamless steel pipe

Product name	concrete pump st52 pipe
Brand	Zhongxing (by ourselves)
Specification	O.D :3inch - 8inch (88.9mm - 219.1mm)
	W.T.: (5.08mm - 25.4mm) 0.2inch - 1 inch
Length	max 12000mm by fixed length or random length as per request .
Standard	DIN 1629/2448
Material	St52
Ends	Plain ends or beveled ends
Raw Material	Steel bar
Calculation of Theoretic Weight	? Kgs /m = {(OD – W.T ) *W.T }*0.02466
Marking	As per our standard or clients` request .
Package	Packing in bundles, special packing can be offered by customers' requirement or contact, such as wooden packing outside the pipes and so on.
Certificate	Mill Testing Certificate
Usage	It is used for manufacturing pipeline,vessel,equipment,pipe fittings
Remark	We could produce as per client's special request .

Raw material : Steel bar













Grade and Chemical Composition(%):

Grade	Chemical Composition(%):
	C max	Si max	Mn	P max	S max
St 35	0.17	0.35	≥0.40	0.025	0.025
St 45	0.21	0.35	≥0.40	0.025	0.025
St 52	0.22	0.55	≤1.60	0.025	0.025

Mechanical Properties(Mpa):

Steel grade	BK		BKW		BKS			GBK		NBK
	Tensile Rm N/mm min	Elong-ation % min	Tensile Rm N/mm min	Elong-ation % min	Tensile Rm N/mm min	Yield ReH N/mm min	Elong-ation % min	Tensile Rm N/mm min	Elong-ation % min	Tensile Rm N/mm min	Yield ReH N/mm min	Elong-ation % min
St35	480	6	420	10	420	315	14	315	25	340-470	235	25
St45	580	5	520	8	520	375	12	390	21	440-570	235	21
St52	640	4	580	7	580	420	10	490	22	490-630	355	22

Application : It is used for steel structure & manufacturing pipeline,vessel,equipment,pipe fittings etc .






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