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  • A213 T91 steel tube
  • A213 T91 seamless steel pipe

A213 Grade T91 Seamless Steel Tubes

  • Steel Standard: A213 / A213M
  • Rolling Type: Hot Rolled,Cold Drawing
  • Wall Thickness: 0.4mm--50mm
  • Diameter: 3mm--250mm
  • Length: 500mm--18000mm
  • Similar Product Name: SMLS steel pipes,boiler steel tubes,seamless steel tubes,seamless circle pipes.
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■ Overview
ASTM A213 Grade T91 seamless steel tubes,A213 Grade T91 steel pipes,A213 T91 steel pipes derlivery condition with Normalized and Tempered.Permissible variations from the specified average wall thickness shall be +/- 10% of the specified average wall thickness for cold formed A213 Grade T91 seamless steel tubes.
■ Full Data
Technical Requirements & Additional Services for A213 Gr T91 seamless pipe:
♦ Heat treatment Normalize and Temper,Austenitizing / Solutioning Temperature range 1040-1080 Degree.C.
♦ General requirements for these tubes in A213/A213M shall be comply to A1016/A1016M
♦ Hydrostatic test or Nondestructive electric test
♦ Mill test certificate with EN 10204 TYPE 3.1 OR 3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
 
■ Techicals

►Mechnical property for A213 Grade T91 seamless steel tube:

A213 Gr T91 steel pipe

Yield strength (≥Mpa)

415

Tensile strength (≥Mpa)

585


►Chemical composition for A213 Grade T91 seamless steel pipe (Heat Analysis Max%)

Main chemical elements composition of A213 Grade T91

C

Mn

P

S

Si

Ni

Cr

Mo

0.08-0.12

0.30-0.60

0.020

0.010

0.25-0.50

0.40

8.0-9.5

0.85-1.05

V

N Al Cb Ti Zr    

0.18-0.25

0.03-0.07

0.02

0.06-0.10

 0.01

 0.01    

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