seamless steel pipes for structures

Steel Grade: 10, 20, 45, 20Mn, 25Mn, Q235, Q295, Q345, 40Mn2, 45Mn2, 27SiMn, 12CrMo, 12CrMoV, 20CrMn

Standard: GB/T 8162-2008

Application: It is used for mechanical structure like making pellet machine and general engineering structures.

Sizes: O.D.: 60mm~219mm, W.T.: 4mm~35mm.

 

Chemical Composition, Mass Fraction(%): (Q235 for example)

Steel Grade	Quality Level	C	Si	Mn	P	S	Alt
Q235	A	0.22	0.35	1.40	0.030	0.030	-
	B	0.20					-
	C	0.17					-
	D				0.025	0.025	0.020

 

Mechanical Properties: (Q235 for example)

Steel Grade	Quality Level	(MPa) tensile strength	lower yield strength (MPa)			Elongation (%)	impact test
			W.T.(mm)				temperature	absorbed energy (KV2/J)
			16	>16~30	>30
Q235	A	375~500	235	225	215	25	-	-
	B						+20	27
	C						0
	D						-20

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