St52.0 1.0421 - DIN 1629-1984

Grade	St52.0
Germany W-Nr.	1.0421
Corresponding Standard	DIN 1629-1984 Seamless Circular Unalloyed Steel Tubes Subject to Special Requirements；technical Delivery Conditions
Classification	Carbon Steel

St52.0 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	-	-	-	0.02
Maximum Value	0.22	0.55	1.6	0.04	0.035	-

St52.0 Mechanical Properties

wall thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	500~650	≥355	≥21(long.) ≥19(tr.)
16＜t≤40	500~650	≥345	≥21(long.) ≥19(tr.)
40＜t≤65	500~650	≥335	≥21(long.) ≥19(tr.)

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