400 series stainless steel tube

  Application of 400 series
1.Auto part: exhaust pipe, automotive guard bars,stainless steel mufflers, etc.
2.Mechanical equipment manufacture: boiler baking equipment,paper-making fluid conveyors,food-processing machinery,pharmaceutical machinery,dyeing and finishiing machinery,etc.

 

• Chemical Properties (%)

Series	C	Si	Mn	P	S	Cr	Ni	Ti
409L	≤0.03	≤1	≤1	≤0.04	≤0.03	10.5-11.75	≤0.5	-
430	≤0.12	≤0.75	≤1	≤0.04	≤0.03	16-18	-	-
441	≤0.03	≤1	≤1	≤0.04	≤0.03	17.5-18.5	-	0.1-0.6

机械性能

• Mechanical Properties

series	Yield strength Kgf/mm (N/mm)	Tensile strength Kgf/mm (N/mm)	Elongation %	Hardness HRB(HV)
409L	≥175	≥360	≥25	≤175
430	≥205	≥450	≥22	≤200
441	≥250	430-630	≥125	≥175