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quality Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate factory
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quality Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate factory
quality Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate factory
quality Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate factory
quality Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate factory
>

Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate

Brand Name: HDT
Model Number: Boiler Alloy Steel Sheet Plate
Place of Origin: China
Certification: ISO SGS
Minimum Order Quantity: 5T
Price: 800 - 9000 USD / ton
Supply Ability: About 10000 ton / month

Product Details


Product Name: Alloy Steel Plate Standard: AISI,ASTM,BS,DIN,JIS
Technique: Cold Rolled / Hot Rolled Application: Boiler Plate
Surface Treatment: Coated,Galvanized Width: Customized
Highlight

SA 387/A 387 Boiler Alloy Steel Sheet Plate

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AISI Boiler Alloy Steel Sheet Plate

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4140 Boiler Alloy Steel Sheet Plate

Product Description

 

 

Cold Rolled Hot Rolled Alloy Steel Plate SA 387/A 387 Boiler Steel Plate / Sheet

 

 

Product Description


A high quality chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures. Added molybdenum gives the material greater temperature tensile strength and the chromium provides improved corrosion resistance.
 

 

Characteristics


4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.

 

Applications


4140 Alloy Steel/SAE 4140 Steel Price is use to producecomponents with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering .
 
 
Chemical Composition

 

 
SA387/ASTM A387
Grade 5
Grade 9
Grade 11
Grade 12
Grade 22
C
0.15 max
0.15 max
0.04 – 0.17
0.04 – 0.17
0.04 – 0.15
Mn
0.25 – 0.66
0.25 – 0.66
0.35 – 0.73
0.35 – 0.73
0.25 – 0.66
P
0.035
0.030
0.035
0.035
0.035
S
0.030
0.030
0.035
0.035
0.035
Si
0.55 max
1.05 max
0.44 – 0.86
0.13 – 0.45
0.5 max
Cr
3.9 – 6.1
7.9 – 10.1
0.94 – 1.56
0.74 – 1.21
1.88 – 2.62
Mo
0.40 – 0.7
0.85 1.15
0.40 – 0.7
0.4 – 0.65
0.85 – 1.15
 
Cold Rolled Hot Rolled SA 387/A 387 Boiler Alloy Steel Sheet Plate 0
Mechanical Properties

 
Grade
A 387 Grade 5 &
Grade 9
A 387 Grade 11
A 387 Grade 12
A 387 Grade 22
Class 1
Class 2
Class 1
Class 2
Class 1
Class 2
Class 1
Class 2
Tensile Strength (ksi)
60-85
75-100
60-85
70-90
50-80
65-85
60-85
75-100
Tensile Strength (MPa)
415-585
515-690
415-585
485-620
380-550
450-585
415-585
515-690
Yield Strength (ksi)
30
45
35
45
33
40
30
45
Yield Strength (MPa)
205
310
240
310
230
275
205
310
Elongation in 200mm (%)
 
 
19
18
18
19
 
 
Elongation in 50mm (%)
18
18
22
22
22
22
18
18
 
 
Surface condition

Black surface/ Grinded/ Machined
 
Hardness 

 

Annealed HBS 217 max
 
 

Heat treatment


Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalisingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided.

Product Highlights

Cold Rolled Hot Rolled Alloy Steel Plate SA 387/A 387 Boiler Steel Plate / Sheet Product Description A high quality chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures. Added molybdenum gives the material greater ...

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