National Standards Stainless Steel Pipe Standard GB/T14975 GB/T14976 GB13296 Application It is used for manufacture of mechanical structure, fluid tubes, superheaters of boiler, heat exchangers, condenser, catalytic tubes etc.. Main Steel Tube Grades 0Cr18Ni9, 0Cr25Ni20, 0Cr18Ni10Ti, 00Cr17Ni14Mo2, 0Cr18Ni12Mo2Ti, 1Cr18Ni9Ti etc. Other grades can also be provided after consulting with customers. Chemical Composition

Grade	Chemical Composition %
	C	Si	Mn	P	S	Ni	Cr	Mo	Ti
0Cr18Ni9	≤0.07	≤1.00	≤2.00	≤0.035	≤0.030	8.00-11.00	17.00-19.00		/
0Cr25Ni20	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	19.00-22.00	24.00-26.00		5c%-0.07
0Cr18Ni10Ti	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	9.00-12.00	17.00-19.00		≥5c%
00Cr17Ni14Mo2	≤0.03	≤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
1Cr18Ni9Ti	≤0.12	≤1.00	≤2.00	≤0.035	≤0.030	8.00-11.00	17.00-19.00		5(c%-0.02)-0.08

Mechanical Properties

Grade	Mechanical Properties
	Tensile Strength MPa	Yield Strength MPa	Elongation %
0Cr18Ni9	≥520	≥205	≥35
0Cr25Ni20	≥520	≥205	≥35
0Cr18Ni10Ti	≥520	≥205	≥35
00Cr17Ni14Mo2	≥480	≥175	≥35
0Cr18Ni12Mo2Ti	≥530	≥205	≥35
1Cr18Ni9Ti	≥550	≥205	≥35