GB3531 boiler steel plate pressure vessel steel sheet

GB3531 standard specifies the order content, grade, shape, weight and allowable deviation, technical requirements, verification methods, inspection rules, packaging, marking and quality certificates of low temperature boiler steel plate pressure vessel steel sheets. GB3531 boiler steel plate pressure vessel steel sheet covers steel grades: 16MnDR, 15MnNiDR, 15MnNiNbDR, 09MnNiDR, 08Ni3DR, 06Ni9DR.

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Steel Properties

GB3531 boiler steel plate pressure vessel steel sheet chemical composition:

GB3531	C%	Si%	Mn%	Ni%	Mo%	V%	Nb%	Alt%	P%, max	S%, max
16MnDR	≤0.20	0.15-0.50	1.20-1.60	≤0.40	-	-	-	≥0.020	0.020	0.010
15MnNiDR	≤0.18	0.15-0.50	1.20-1.60	0.20-0.60	-	≤0.05	-	≥0.020	0.020	0.008
15MnNiNbDR	≤0.18	0.15-0.50	1.20-1.60	0.30-0.70	-	-	0.015-0.040	-	0.020	0.008
09MnNiDR	≤0.12	0.15-0.50	1.20-1.60	0.30-0.80	-	-	≤0.040	≥0.020	0.020	0.008
08Ni3DR	≤0.10	0.15-0.35	0.30-0.80	3.25-3.70	≤0.12	≤0.05	-	-	0.015	0.005
06Ni9DR	≤0.08	0.15-0.35	0.30-0.80	8.50-10.00	≤0.10	≤0.01	-	-	0.008	0.004

GB3531 boiler steel plate pressure vessel steel sheet mechanical properties:

GB3531	Thickness, in mm	Tensile Strength	Yield Strength, min	Elongation, %, min	Temperature	Impact energy (J)
16MnDR	6<T≤16	490-620	315	21	-40	47
	16<T≤36	470-600	295
	36<T≤60	460-590	285
	60<T≤100	450-580	275		-30	47
	100<T≤120	440-570	265
15MnNiDR	6<T≤16	490-620	325	20	-45	60
	16<T≤36	480-610	315
	36<T≤60	470-600	305
15MnNiNbDR	10<T≤16	530-630	370	20	-50	60
	16<T≤36	530-630	360
	36<T≤60	520-620	350
09MnNiDR	6<T≤16	440-570	300	23	-70	60
	16<T≤36	430-560	280
	36<T≤60	430-560	270
	60<T≤120	420-550	260
08Ni3DR	6<T≤60	490-620	320	21	-100	60
	60<T≤100	480-610	300
06Ni9DR	5<T≤30	680-820	560	18	-196	100
	30<T≤50		550

Application

GB3531 boiler steel plate pressure vessel steel sheet application:
Main application of GB3531 boiler steel plate pressure vessel steel sheet are to build boilers and pressure vessels such as petroleum, chemical industry, power plants.

BBN Group recommends GB3531 boiler steel plate pressure vessel steel sheet to help you understand the detailed specifications of BBN Group products and the content of services. You can also view related cases and videos, you can also view all BBN Group products.

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