A St 52 steel chemical composition, A St 52 steel mechanical property

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A St 52 steel
Steel Category:Steel for Boilers and Pressure Vessels
Steel standard:DIN 17135       
Steel grade:DIN 17135  A St 52    
Dimension: Thickness 5-300mm, Width 1500-3500mm, Length 3000-12000mm
Application:A St 52 steel grade is one of grade in DIN 17135 , which is non alloy and alloy steels with specified elevated temperature properties. A St 52 grades are used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
Supplementary Technology:   HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4.1
S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17

A St 52 steel chemical composition:

A St 52 Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Al(min)	N
A St 52	0.20	0.50	0.9-1.70	0.03	0.025		0.02
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.10

  A St 52 steel mechanical property:

Grade		A St 52 Mechanical Property
	Thickness	Yield	Tensilmie	Elongation	Impact Energy(KV J) min
A St 52	mm	Min Mpa	Mpa	Min  %	-20°	0°	+20°
	≤ 16	355	490-630	22	40	47	55
	16> to ≤35	355	490-630	22	40	47	55
	35> to ≤50	345	490-630	22	40	47	55
	50> to ≤70	325	490-630	22	40	47	55
	70> to ≤100	315	470-610	21	40	47	55
	100> to ≤150	295	450-590	21	40	47	55

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