电站锅炉用不锈钢无缝钢管的技术要求

作者：董经理¹³³³⁷⁸⁸³⁰⁸⁶ 更新时间：2022-10-08 点击数：1059

电站锅炉用不锈钢无缝 钢管的技术要求

电站锅炉用无缝钢管

Seamless tube for station boiler

· 用途：适用于制造220MW,250MW,300MW,600MW,1000MW等大型电站锅炉用的过滤器、再热器用途中增加超临界、超超临界，水冷壁等用管

· Usage：Applied to manufacture the pipe for overheater, rehaeter and so on of 220MW,250MW,300MW,600MW,1000MW etc. Large scale station boiler

· 订货标准Order norm：GB5310;GB13296;ASME SA-213;ASTM A213;JIS3463等国内外标准etc. domestic and overseas standard

· 可供规格Offer specification：外径outside diameter32~89mm；壁厚wall thickness3.5~15mm

牌号 trademark	化学成分chemical composition								力学性能 mechanical property
	C	Mn	Si	Cr	Ni	S	P	其它others	Rm	Rp0.2	A
	Wt%								MPa	MPa	%
1Cr19Ni9	0.04- 0.10	≤2.0	≤1.0	18.0- 20.0	8.0- 11.0	≤0.015	≤0.030	-	≥520	≥206	≥35
SUS304HTB	0.04- 0.10	≤2.0	≤0.75	18.0- 20.0	8.0- 11.0	≤0.015	≤0.030	-	≥520	≥206	≥35
TP304H	0.04- 0.10	≤2.0	≤0.75	18.0- 20.0	8.0- 11.0	≤0.015	≤0.030	-	≥520	≥205	≥35
1Cr18Ni11Ti	0.04- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Ti:≥4C%~0.60%	≥520	≥205	≥35
SUS321HTB	0.04- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Ti:≥4C%~0.60%	≥520	≥206	≥35
TP321H	0.04- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Ti:≥4C%~0.60%	≥515	≥205	≥35
1Cr19Ni11Nb	0.04- 0.10	≤2.0	≤1.0	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Nb+Ta≥ 8C%~1.00%	≥520	≥205	≥35
SUS347HTB	0.04- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Nb≥8C%~1.00%	≥520	≥206	≥35
TP347H	0.04- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Nb+Ta≥ 8C%~1.00%	≥520	≥205	≥35
TP347HFG	0.06- 0.10	≤2.0	≤0.75	17.0- 20.0	9.0- 13.0	≤0.015	≤0.030	Nb+Ta≥ 8C%~1.00%	≥550	≥205	≥35
S30432	0.07- 0.10	≤1.0	≤0.30	17.0- 19.0	7.5- 10.5	≤0.010	≤0.030	Cu:2.50-3.50	≥590	≥235	≥35
S31042	0.04- 0.10	≤2.0	≤1.00	24.0- 26.0	19.0- 22.0	≤0.015	≤0.030	Nb:0.2-0.6; N:0.15-0.35	≥655	≥295	≥30
正在研制开发700℃超超临界火电站用UNS NO6617和UNS NO7740等新型镍基合金高压锅炉管

注：根据用户需要可生产上表以外的牌号。

Note: According to the requirement of the customers, we can produce the pipe which standard is not mentioned above.

牌号 Grades	高温规定非比例延伸强度 R_p0.2/MPa≥ High temperature regulation extension strength
	温度/℃temperature
	100	150	200	250	300	350	400	450	500	550	600
07Cr19Ni10	170	154	144	135	129	123	119	114	110	105	101
10Cr18Ni9NbCu3BN (S30432)	203	189	179	170	164	159	155	150	146	142	138
07Cr25Ni21NbN (S31042)	573	523	490	468	451	440	429	421	410	397	374
07Cr19Ni11Ti	184	174	160	150	142	136	132	128	126	123	122
07Cr18Ni11Nb (TP347H)	189	177	166	158	150	145	141	139	139	133	130
08Cr18Ni11NbFG (TP347HFG)	185	174	166	159	153	148	144	141	138	135	132

主要牌号的100000h持久强度推荐数据100000h lasting intensity recommended data of the main grades

牌号 Grades	100000h持久强度推荐数据/MPa，≥ 100000h lasting intensity recommended data
	温度/℃temperature
	600	620	650	670	690	700	710	720	730	740	750
07Cr19Ni10	96	81	63	52	44	40	37	34	31	28	26
10Cr18Ni9NbCu3BN (S30432)	-	137	117	97	79	71	64	57	50	45	39
07Cr25Ni21NbN (S31042)	160	142	103	85	69	62	56	51	46	-	-
07Cr19Ni11Ti	89	72	55	46	38	35	32	29	26	24	22
07Cr18Ni11Nb (TP347H)	132	110	82	66	54	48	43	38	34	31	28
08Cr18Ni11NbFG (TP347HFG)	-	132	99	81	66	59	53	48	43	-	-