河南20#无缝钢管 河南45#无缝钢管 河南厚壁无缝钢管

结构用厚壁无缝管

12×1	68×4-4.5-10-12-14-16	203×6-15-20-25-30-32-45-50
14×1.5-2.5-3	70×4-4.5--12-15-16	219×6-8-18-20-25-30-50-55-65-70
16×1.5-2.5-4	73×4-4.5-9-10-12-15	245×8--20-22-25-30-34-40
18×2.4-5	76×4-47-8-9-10-12-14	273×7-9-18-20-25-30-40-45-50
20×2.-3-5	83×4.5-5-10-12-14-16-18-20	299×8-24-28-30-38-40-45
24×2.-4-5-6	89×4.5-8--18-20	325×8-18-38-42
25×2.54-5-6	95×4.5-6-8--16-20	351×25-40
28-4-5-6	102×4.5-5--12-14-16-20	355×6-25-30-40/52
32×4-5-6-8	108×4.5-510-12-14-18-20-22	377×20-24-28-30-45-50
34.5-6-8	114×4.5-5--12-14-18-20	402×10-15-20-25-30-35
36×3.5-5-6-8	121×4.5-5--12-14-16-20	406×10-20-35-40
38×4-5-6-7-8-9-10	127×4.5-5-10-12-14-16-20	426×10-12-20-25-30-35-40
39×3.5-5-8-10	133×4.5--14-16-18-20-25-30	450×10--20-25-34-40-50
42×3.5-8-9-10	140×5-6-7-12-14-16-20-22	480×10-12-18-20-25-30-40
45×3.5--8-9	146×4.5-6-16-18-20-25-30	500×10-16-20-25-34-40-50
48×3.5-7-8-9-10	152×4.5-6--16-18-20-25-30	510×10--16-20-25-34-40-50
51×3.57-8-9-10	159×4.5-6--14	530×-14-16-18-20-30-40
56×6-7-8-9-10	159×16-22-25-30	560-16-20-25-30-40-50-60
57×3.5-5-10-12	168×814-20-25-30-35	580×10-14-16-20-30-40-50-70
60×3.5-8-9-12-14	180×8-25-30-38-40-45-50	600×10-14-18-25-20-30-50-60
63×3.5-4.59-10-12-14	194×6-20-25-30-40-45-50	610×10-14-18-25-20-30-50-60

结构用不锈钢无缝钢管

热轧（挤、扩）钢管				冷拔（轧）钢管
尺寸		允许偏差		尺寸		允许偏差
		普通级	高级			普通级	高级
公称外径D	68-159	±1.25%D	±1.0%D	公称外径D	10-30	±0.30	±0.02
					>30-50	±0.40	±0.30
	>159-426	±1.5%D			>50	±0.9%D	±0.8%D
公称壁厚 S	<15	+15%S -12.5%S	±12.5%S	公称壁厚 S	≤3	±14%S	+12.5%S -10%S
	≥15	+20%S -15%S			>3	+12.5%S -10%S	±10%S

牌号	化学成分（质量分数）(%)
	C	Si	Mn	P	S	Ni	Cr	Mo	Ti	其它
0Cr18Ni9	≤0.07	≤1.00	≤2.00	≤0.035	≤0.030	8.00-11.00	17.00-19.00
1Cr18Ni9	≤0.15	≤1.00	≤2.00	≤0.035	≤0.030	8.00-10.00	17.00-19.00
00Cr19Ni10	≤0.030	≤1.00	≤2.00	≤0.035	≤0.030	8.00-12.00	18.00-20.00
0Cr18Ni10Ti	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	9.00-12.00	17.00-19.00		≥5C%
0Cr18Ni11Nb	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	9.00-13.00	17.00-19.00			Nb≥10C%
0Cr17Ni12Mo2	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	10.00-14.00	16.00-18.50	2.00-3.00
00Cr17Ni14Mo2	≤0.030	≤1.00	≤2.00	≤0.035	≤0.030	12.00-15.00	16.00-18.00	2.00-3.00
0Cr18Ni12Mo2Ti	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	11.00-14.00	16.00-19.00	1.80-2.50	5C%-0.70
1Cr18Ni12Mo2Ti	≤0.12	≤1.00	≤2.00	≤0.035	≤0.030	11.00-14.00	16.00-19.00	1.80-2.50	5(C%-0.02)-0.80
0Cr18Ni12Mo3Ti	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	11.00-14.00	16.00-19.00	2.50-3.50	5C%-0.70
1Cr18Ni12Mo3Ti	≤0.12	≤1.00	≤2.00	≤0.035	≤0.030	11.00-14.00	16.00-19.00	2.50-3.50	5(C%-0.02)-0.80
1Cr18Ni9Ti	≤0.12	≤1.00	≤2.00	≤0.035	≤0.030	8.00-11.00	17.00-19.00		5(C%-0.02)-0.80
0Cr19Ni13Mo3	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	11.00-15.00	18.00-20.00	3.00-4.00
00Cr19Ni13Mo3	≤0.030	≤1.00	≤2.00	≤0.035	≤0.030	11.00-15.00	18.00-20.00	3.00-4.00
00Cr18Ni10N	≤0.030	≤1.00	≤2.00	≤0.035	≤0.030	8.50-11.50	17.00-19.00			N:0.12-0.22
0Cr19Ni9N	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	7.00-10.50	18.00-20.00			N:0.10-0.25
00Cr17Ni13Mo2N	≤0.030	≤1.00	≤2.00	≤0.035	≤0.030	10.50-14.50	16.00-18.50	2.00-3.00		0.12-0.22
0Cr17Ni12Mo2N	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	10.00-14.00	16.00-18.00	2.00-3.00		0.10-0.22
1Cr17	≤0.12	≤0.75	≤1.00	≤0.035	≤0.030	*	16.00-18.00
0Cr13	≤0.08	≤1.00	≤1.00	≤0.035	≤0.030	*	11.50-13.50
1Cr13	≤0.15	≤1.00	≤1.00	≤0.035	≤0.030	*	11.50-13.50
2Cr13	0.16-0.25	≤1.00	≤1.00	≤0.035	≤0.030	*	12.00-14.00
00Cr18Ni5Mo3Si2	≤0.030	1.30-2.00	1.00-2.00	≤0.035	≤0.030	4.50-5.50	18.00-19.00	2.50-3.00

牌号	推荐热处理制度	力学性能			密度/(kg/dm30)
		σb /Mpa	σp0.2/Mpa	δ5（%）
		不小于
0Cr18Ni9	1010-1150℃，急冷	520	205	35	7.93
1Cr18Ni9	1010-1150℃，急冷	520	205	35	7.90
00Cr19Ni10	1010-1150℃，急冷	480	175	35	7.93
0Cr18Ni10Ti	920-1150℃，急冷	520	205	35	7.95
0Cr18Ni11Nb	980-1150℃，急冷	520	205	35	7.98
0Cr17Ni12Mo2	1010-1150℃，急冷	520	205	35	7.98
00Cr17Ni14Mo2	1010-1150℃，急冷	480	175	35	7.98
0Cr18Ni12Mo2Ti	1000-1100℃，急冷	530	205	35	8.00
1Cr18Ni12Mo2Ti	1000-1100℃，急冷	530	205	35	8.00
0Cr18Ni12Mo3Ti	1000-1100℃，急冷	530	205	35	8.10
1Cr18Ni12Mo3Ti	1000-1100℃，急冷	530	205	35	8.10
1Cr18Ni9Ti	1000-1100℃，急冷	520	205	35	7.90
0Cr19Ni13Mo3	1010-1150℃，急冷	520	205	35	7.98
00Cr19Ni13Mo3	1010-1150℃，急冷	480	175	35	7.98
00Cr18Ni10N	1010-1150℃，急冷	550	245	40	7.90
0Cr19Ni9N	1010-1150℃，急冷	550	275	35	7.90
00Cr17Ni13Mo2N	1010-1150℃，急冷	550	245	40	8.00
0Cr17Ni12Mo2N	1010-1150℃，急冷	550	275	35	7.80
1Cr17	780-850℃，空冷或缓冷	410	245	20	7.70
0Cr13	800-900℃，缓冷或750℃快冷	370	180	22	7.70
1Cr13	800-900℃，缓冷	410	205	20	7.70
2Cr13	800-900℃，缓冷	470	215	19	7.70
00Cr18Ni5Mo3Si2	920-1150℃，急冷	590	390	20	7.98

流体输送用无缝钢管