Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

A 691 Grade 2 1/4 CR

Favorite Datasheet
A 666 S21460 A 732 Grade 14Q
#214

Description

USA SAE A 691 (2009), A 691 Grade 2 1/4 CR Specialsteel Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 691 Grade 2 1/4 CR
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 691 Grade 2 1/4 CR Precipitation-Hardening SAE USA Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures

Chemical composition(mass fraction)(wt.%) of the A 691 Grade 2 1/4 CR

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo B Zr
≤0.05 ≤0.20 ≤0.50 ≤ ≥ ≤ ≥ ≤remaining 15.00 -17.00 4.00 -5.00 ≤ ≥ ≤0.50 2.00 -4.00 ≤ ≥ ≤0.50 ≤0.006 ≤0.05

Mechanical Properties of steel grade A 691 Grade 2 1/4 CR

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
186 (≥) 442 (≥) 44 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade A 691 Grade 2 1/4 CR

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.43 -  
542 475 - 32.3 212   -  
117 - 34 42.2   134 314

Heat Treatment of steel grade A 691 Grade 2 1/4 CR

Heat treated : 1624°C - 1582°C

Technological Curves of steel grade A 691 Grade 2 1/4 CR

Cross Reference Table (Equivalent Grade) of A 691 Grade 2 1/4 CR

Grade Standard Country Application
S21400
S21460
214
214
S21400
S21400
UNS G12144
UNS G12144
UNS W21418
UNS W74214
UNS K21451
UNS K21450
UNS K21485
UNS W82141
SS14:2140
SS14:2140
SS14:2140

Relevant standard of A 691 Grade 2 1/4 CR

A 691 (2009) Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures A-691-(2009).pdf
A 666 S21460 A 732 Grade 14Q
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this A 691 Grade 2 1/4 CR?
  • List your company on S&G now? Join
  • Non-paying users only
Top