309/309S stainless steel pipe_Tianjin Fanggang Iron and Steel Co., Ltd

309/309S Stainless steel pipe

309and309SIt is austenitic chromium nickel stainless steel，Usually used for applications at higher temperatures。Due to its high chromium and nickel content，309and309SAlloys have high corrosion resistance、Excellent antioxidant and heat resistance，Simultaneously providing good strength at both room temperature and high temperature。309and309SThe only significant difference between them is the carbon content。309SAlloys have fewer carbon elements，This minimizes carbide precipitation to the greatest extent possible and improves weldability。

product description

Product parameters

product name		309/309SStainless steel pipe
type		steel pipe
outside diameter	roundpipe	4mm-200mm
	Square tube	1010mm-100100mm
	Rectangular tube	1020mm-50100mm
wall thickness		0.6mm-6.0mm
length		1-6rice，Length can be customized
standard		ASTM / AISI / JIS / GB / DIN / EN
surface		black、Bright polishing、rough turning、Matte surface treatment、NO.4、BAclass
Application scope		Common applications of stainless steel pipes include food processing、Textile business、brewery、water treatment plant、Oil and gas processing、Fertilizers and pesticides、Chemical Applications、 construct、medicine、Automotive components, etc
certificate		ISO / SGS / BV
production technology		hot-rolling / cold rolling
edging		edging / Trimming

chemical composition

C	Si	Mn	Cr	Ni	S	P
≤0.08	≤0.75	≤2.0	22.0～24.0	12.0～15.0	≤0.03	≤0.045

Mechanical properties

tensile strength σb (MPa)	yield strength σ0.2 (MPa)	elongation δ5 (％)	hardness
≥515	≥205	≥35	≤217HB

physical property

density(g/cm³)	Elastic modulus(Gpa)	Thermal expansion coefficient(10-6/ºC)	thermal conductivity(W/m*K)	resistivity(µΩ.cm)
7.98	200	14.9	15.6	78

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