A387 Pressure Vessel Carbon Steel Coil
A387 pressure vessel steel coil is made of chrome-molybdenum alloy steel that is suitable for welding boilers and high temperature pressure vessels.
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- Commodity name: A387 Pressure Vessel Carbon Steel Coil
A387 pressure vessel steel coil is made of chrome-molybdenum alloy steel that is suitable for welding boilers and high temperature pressure vessels.
A387 Pressure Vessel Carbon Steel Coil Description
A387 pressure vessel steel coil covers the grades of grade 5, grade 9, grade 11, grade 12, grade 22, grade 91 and other grades in accordance with the alloy elements contained. Except for grades 21L, 22L, 91 and 911, each grade of ASTM A387 boiler vessel coil has two tensile strength categories according to its heat treatment: Class 1 and Class 2. A387 is a chromium-molybdenum alloy steel for pressure vessels. It has outstanding high-temperature strength, oxidation resistance and sulfide corrosion resistance. The working environment of this material is usually harsh, and the working medium can be reaction products such as hydrogen, hydrogen sulfide, wax oil, gasoline, diesel, and thermal synthesis gas, as well as raw oil.
Product ParametersProduct Name
A387 Pressure Vessel Carbon Steel Coil
Production Process
Hot Rolling, Cold Rolling
Material Standards
AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width
45mm-2200mm
Length
Custom Size
Thickness
Hot Rolling: 2.75mm-100mm
Cold Rolling: 0.2mm-3mmDelivery Conditions
Rolling, Annealing, Quenching, Tempered or Standard
Surface Process
Ordinary, Wire Drawing, Laminated Film
Chemical Composition
A387
UNS
C
Mn
P
S
Si
Cr
Mo
Level 5
S50200
≤ 0.15
0.25-0.66
0.025
0.025
≤ 0.55
3.90-6.10
0.40-0.70
Level 9
K90941
≤ 0.15
0.25-0.66
0.025
0.025
≤ 1.05
7.90-10.10
0.85-1.15
Level 11
K11789
0.04-0.17
0.35-0.73
0.025
0.025
0.44-0.86
0.94-1.56
0.40-0.70
Level 12
K11757
0.04-0.17
0.35-0.73
0.025
0.025
0.13-0.45
0.74-1.21
0.40-0.65
Level 22
K21590
0.04-0.15
0.25-0.66
0.025
0.025
≤ 0.50
1.88-2.62
0.85-1.15
Class 22L
K21590
≤ 0.12
0.25-0.66
0.025
0.025
≤ 0.50
1.88-2.62
0.85-1.15
Class 91
K90901
0.06-0.15
0.25-0.66
0.025
0.012
0.18-0.56
7.90-9.60
0.80-1.10
Mechanical Properties
A387
Category
Tensile Strength Mpa
Yield Strength Mpa
Elongation Gauge Length 2in. [50mm] %
Level 5
Section Category 1
415-585
205
18
Section Category 2
515-690
310
18
Level 9
Section Category 1
415-585
205
18
Section Category 2
515-690
310
18
Level 11
Section Category 1
415-585
240
22
Section Category 2
485-620
310
22
Level 12
Section Category 1
380-550
230
22
Section Category 2
450-585
275
22
Level 22
Section Category 1
415-585
205
18
Section Category 2
515-690
310
18
Physical Performance
Physical Performance
Metric
Imperial
Density
7.7-8.03 g/cm3
7.7-8.03 g/cm3
Scope of Application
The molybdenum composition in ASTM A387 boiler vessel plate can improve its tensile strength at high temperature, and make it have higher oxidation and corrosion resistance by increasing the lattice strain. ASTM A387 Boiler Container Plates are ideal for use in heat-resistant pressure vessels and sour gas environments.
Equivalent Material
American Standard ASTM
European Standard ASME
German Standard EN 10028
English standard DIN
Legal standard BS
Russian standard AFNOR 36206
A387 5
SA387 5
X12CrMo5
-
-
-
A387 9
SA387 9
-
-
-
-
A387 11
SA387 11
13CrMoSi5-5
-
621B
-
A387 12
SA387 12
13CrMo4-5
13CrMo44
620B
15CD2.05
A387 22
SA387 22
10/11CrMo9-10
10CrMo9-10
622-515B
12CD9-10
A387 91
SA387 91
10CrMoVNb9-1
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A387 Pressure Vessel Carbon Steel Coil - Stock Warehouse
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A387 Pressure Vessel Carbon Steel Coil - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
A387 Pressure Vessel Carbon Steel Coil - Product Measurement
Width Measurement Length Measurement Thickness Measurement Thickness Measurement 
Measurement Measurement Measurement Measurement -
A387 Pressure Vessel Carbon Steel Coil - Product Packaging
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