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AMS SB-668 N08028 Details

AMS SB-668 N08028 Standard Download

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SB-668 N08028 Application:UNS N08028 Seamless Pipe and Tube

Category Type Grade Microstructure Designations
Grades Stainless Steels SB-668 N08028 Austenite USA - AMS , SB-668 - UNS N08028 Seamless Pipe and Tube

Chemical composition(wt.%) of SB-668 N08028 grade: SB-668

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.02
Mn - 2.00
Si - 1.00
P - 0.02
S - 0.015
Cr 26.00 28.00
Ni 29.50 32.50
Mo 3.00 4.00
Cu 0.60 1.40

UNS N08028 Seamless Pipe and Tube

Mechanical properties of grade SB-668 N08028 SB-668

Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
451 (≥) 819 (≥) 33 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade SB-668 N08028 SB-668

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
473 (≥) 596 (≥) 43 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
777 381 796

SB-668 N08028 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
B 668 N08028 SAE USA
UNS N08028 Seamless Pipe and Tube
B 709 N08028 SAE USA
Iron-Nickel-Chromium-Molybdenum Alloy (UNS N08028)* Plate, Sheet, and Strip
N08028 AISI USA
Ni-Fe-Cr Alloy Solid Solution Strengthened
SB-668 N08028 AMS USA
UNS N08028 Seamless Pipe and Tube
SB-709 N08028 AMS USA
Iron-Nickel-Chromium-Molybdenum Alloy (UNS N08028)* Plate, Sheet, and Strip
GH3128 GB China
Classification and designation for superalloys and high temperature intermetallic materials
A 276 XM-28 SAE USA
Stainless Steel Bars and Shapes
A 313 Type XM-28 SAE USA
Stainless Steel Bars and Shapes
A 314 XM-28 SAE USA
Stainless Steel Bars and Shapes
A 580 Type XM-28 SAE USA
Stainless Steel Wire
A 955 XM-28 Grade 280 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 955 XM-28 Grade 40 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 955 XM-28 Grade 420 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 955 XM-28 Grade 520 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 955 XM-28 Grade 60 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 955 XM-28 Grade 75 SAE USA
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
A 959 Type XM-28 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SA-276 XM-28 AMS USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
XM-28 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 276 S24100 SAE USA
Stainless Steel Bars and Shapes

Relevant products

SB-668 N08028 Steel Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
IncoloyA-286 / GH 2132 Stock Φ8-65mm*L Round Bar Kgs 489 Hot-Rolled+Annealed+black Enquiry

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