ASTM A199 Seamless Cold Drawn Alloy Steel Tube of Superior Mechanical Strength

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ASTM A199 seamless alloy steel tube has excellent tensile strength and high temperature resistance, which is used in the field of power, petroleum, construction, etc. And it play an important role in manufacturing of boiler and heat-exchanger. ASTM A199 seamless alloy shall be made by seamless process and cold drawn process.

For heat treatment of ASTM A199 seamless alloy steel tube, After the final cold drawn pass, gr.T11 tubes shall be heat treated at 650℃ or higher and all other grades except T91 shall be heat treated at 675℃ or higher.

 

 

Product name	ASTM A199 Seamless Cold Drawn Alloy Steel Tube
Place of origin	Tianjin China
Brand	WL
Standard	ASTM A199
Steel grade	T5, T9, T11, T22
Technique	Cold drawn process
Outer diameter	3.2mm-76.2mm, non-standard can be accepted
Wall thickness	SCH 10-SCH XXS, non-standard can be accepted
Length	3m-12m or customized length
Surface treatment	Black painting, varnish painting or as per clients' requirements
Delivery condition	Heat treatment

 

 

Steel grade	Tensile strength,min(Mpa)	Yield strength,min(Mpa)	Elongation(%)
T5	415	170	30/22
T9
T11
T22

 

 

Steel grade	Heat treatment temperature
T5	675℃ or higher
T9	675℃ or higher
T11	650℃ or higher
T22	675℃ or higher

 

 

 

 

 

ASTM A199 seamless alloy steel tube is made by cold drawn process. The specific manufacturing process is shown in the following.

 

Manufactured in strict adherence to the ASTM A199 standard, this seamless cold-drawn alloy steel tube is engineered to deliver superior mechanical strength, exceptional dimensional precision, and outstanding thermal resistance. The specialized cold-drawing process not only ensures a remarkably smooth inner and outer surface finish but also significantly enhances the material's structural integrity and uniformity. Capable of withstanding extreme operating pressures and severe temperature fluctuations, this high-performance tubing provides unmatched reliability and safety. Consequently, it serves as an indispensable and highly durable solution for critical industrial infrastructure, particularly in the fabrication of high-pressure heat exchangers, condensers, and boiler systems within the power generation and petrochemical sectors.

 

 

 

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