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A 688 N08800

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A 479 N08800 B 163 N08800
#Type #332 #N08800

Description

USA SAE A 688/A 688M (2012), A 688 N08800 Specialsteel Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 688 N08800
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 688 N08800 Austenite SAE USA Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 688 N08800

C Mn Si P S Cr Ni Mo Ti Al
≤0.01 ≤1.50 ≤1.00 ≤0.045 ≤0.015 19.00 -23.00 30.00 -35.00 ≤ ≥ 0.15 -0.60 0.15 -0.60

Mechanical Properties of steel grade A 688 N08800

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)
531 (≥) 739 (≥) 12 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade A 688 N08800

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
12 - -     0.14 -  
996 874 - 21.3 214   -  
515 - 14 33.2   231 112

Heat Treatment of steel grade A 688 N08800

Heat treated : 1792°C - 1997°C

Technological Curves of steel grade A 688 N08800

Cross Reference Table (Equivalent Grade) of A 688 N08800

Grade Standard Country Application
Type1
Type2
A606 Type2
A606 Type4
A656 Type3
A656 Type7
A871 TypeⅠ
A871 TypeⅡ
A871 TypeⅢ
A871 TypeⅣ
19Cr-10Ni(Cutting type)
12Cr(Cutting type)
ASTM TypeⅠ
ASTM TypeⅡ
ASTM ClassⅠType A
ASTM ClassⅠType B
ASTM ClassⅠType C
ASTM ClassⅠType D
ASTM Class ⅡType A
ASTM Class ⅡType B

Relevant standard of A 688 N08800

A 688/A 688M (2012) Welded Austenitic Stainless Steel Feedwater Heater Tubes A-688-A-688M-(2012).pdf
A 479 N08800 B 163 N08800
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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...

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