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Sunny Xinrui Steel Group Co.,Ltd

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Boiler Seamless Tube & Pipe

Application

I can be applied in the manufacture of water-colling wall,steam pipeline,reheater, economizer, superheater and other equipment for power station boiler.

Standard

Chinese standard:GB 3078, GB 5310.

American standard: ASME SA192/ASTM A192, ASME SA209/ASTMA209, ASME SA210/ASTM A210, ASME SA213/ASTM A213

European standard: DIN 17175

Japanese standard: JIS G 3416

Chemical Composition

Unless otherwise specified in the table, numerical value presents maximum.

Grade	C	Si	Mn	P	S	Cr	Mo	Ti	W	V
20G	0.17-0.23	0.17-0.37	0.35-0.65	0.025	0.015	-	-	-	-	-
20MnG	0.17-0.23	0.17-0.37	0.7-1	0.025	0.015	-	-	-	-	-
25MnG	0.22-0.37	0.17-0.37	0.7-1	0.025	0.015	-	-	-	-	-
15MoG	0.12-0.2	0.17-0.37	0.4-0.8	0.025	0.015	-	0.25-0.35	-	-	-
20MoG	0.15-0.25	0.17-0.37	0.4-0.8	0.025	0.015	-	0.44-0.65	-	-	-
12CrMoG	0.08-0.15	0.17-0.37	0.4-0.7	0.025	0.015	0.4-0.7	0.4-0.55	-	-	-
15CrMoG	0.12-0.18	0.17-0.37	0.4-0.7	0.025	0.015	0.8-1.1	0.41-0.55	-	-	-
12Cr2MoG	0.08-0.15	0.5	0.4-0.6	0.025	0.015	2-2.5	0.9-1.13	-	-	-
12Cr1MoVG	0.08-0.15	0.17-0.37	0.4-0.7	0.025	0.015	0.9-1.2	0.25-0.35	-	-	0.15-0.3
12Cr2MoWVTiB	0.08-0.15	0.45-0.75	0.45-0.65	0.025	0.015	1.6-2.1	0.5-0.65	0.08-0.18	0.3-0.55	0.28-0.42
10Cr9Mo1VNbN	0.08-0.12	0.2-0.5	0.3-0.6	0.02	0.01	8-9.5	0.85-1.05	-	-	0.18-0.25
SA210-A1	0.27	≥0.1	0.93	0.025	0.02	-	-	-	-	-
SA210-C	0.35	≥0.1	0.29-1.06	0.025	0.02	-	-	-	-	-
T2	0.1-0.2	0.1-0.3	0.3-0.61	0.025	0.025	0.5-0.81	0.44-0.65	-	-	-
T5	0.15	0.5	0.3-0.6	0.025	0.025	4-6	0.45-0.65	-	-	-
T9	0.15	0.25-1	0.6-0.6	0.025	0.025	8-10	0.9-1.1	-	-	-
T11	0.05-0.15	0.5-1	0.3-0.6	0.025	0.025	1-1.5	0.44-0.65	-	-	-
T12	0.05-0.15	0.5	0.3-0.61	0.025	0.025	0.8-1.25	0.44-0.65	-	-	-
T22	0.05-0.15	0.5-1	0.3-0.6	0.025	0.025	1.9-2.6	0.87-1.13	-	-	-
T91	0.07-0.14	0.2-0.5	0.3-0.6	0.02	0.01	8-9.5	0.85-1.05	-	-	-

Mechanical Property

Standard	Grade	Tensile Strength Rm Mpa	Yield Strength(min) Rp0.2 Mpa	Elongation (min)%
GB/T5310	20G	410-500	245	24
	20MnG	≥415	240	22
	25MnG	≥485	275	20
	15MoG	450-600	270	22
	20MoG	≥415	220	22
	12CrMoG	410-560	205	21
	15CrMoG	440-640	235	21
	12Cr2MoG	450-600	280	20
	12Cr1MoVG	470-640	255	21
	12Cr2MoWVTiB	540-735	345	18
	10Cr9Mo1VNbN	≥585	415	20
ASME SA210M	SA210-A1	≥415	255	-
ASME SA210M	SA210-C	≥485	275	-
ASME SA213	T2	≥415	205	-
	T5	≥415	205	30
	T9	≥415	205	30
	T11	≥415	205	-
	T12	≥415	220	30
	T22	≥415	205	-
	T91	≥585	415	30

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