ASTM A387 Grade 22 Class 2 Boiler Steel

ASTM A387 Grade 22 Class 2 Boiler Steel

Most commonly used steel specifications for Chrome Moly plate are ASME SA387 and ASTM A387 · Chemical and mechanical properties of the ASME and ASTM specifications are the same. · Brown McFarlane supplies Chrome Moly plates to ASME SA387 and ASTM A387 both from stock and, where required by the...

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Product Details

Most commonly used steel specifications for Chrome Moly plate are ASME SA387 and ASTM A387


· Chemical and mechanical properties of the ASME and ASTM specifications are the same.


· Brown McFarlane supplies Chrome Moly plates to ASME SA387 and ASTM A387 both from stock and, where required by the customer, cut to size and shape.


· SA387 and A387 are described as a "Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum.


We supply ASTM A387 Grade 22 Class 2 plates to fabricators serving the oil, gas and petrochemical industry. These industries require a pressure vessel grade steel which works well in elevated temperatures and our material serves this purpose well. And with good corrosion and oxidation resistance, A387 Grade 22 Class 2 plates are a good option.


Equivalents

BS

EN

ASTM/ASME

DIN

622-515B

10CrMo910

A/SA387-22-2

10CrMo910


Chromium & Molybdenum content (according to the ASTM specification):

Designation

Nominal Chromium Content (%)

Nominal Molybdenum Content (%)

A387 Grade 22

2.25%

1.00%


Tensile Requirements for Class 2 Plates

Designation

Requirement

Grade 22

A387 Grade 22

Tensile strength, ksi [MPA]

75 to 100 [515 to 690]


Yield strength, min, ksi [MPa]/(0.2% offset)

45 [310]


Elongation in 8 in. [200mm], min %



Elongation in 2 in. [50mm], min, %

18


Reduction of area, min %

45 (measured on round specimen)
40 (measured on flat specimen)


Chemical Requirements

Carbon (C)

%

Heat Analysis:
Product Analysis:

0.05 - 0.15
0.04 - 0.15

Manganese (Mn)

%

Heat Analysis:
Product Analysis:

0.30 - 0.60
0.25 - 0.66

Phosphorus (P)

%

Heat Analysis:
Product Analysis:

0.035
0.035

Sulphur (S) (Max)

%

Heat Analysis:
Product Analysis:

0.035
0.035

Silicon (Si)

%

Heat Analysis:
Product Analysis:

0.50 max
0.50 max

Chromium (Cr)

%

Heat Analysis:
Product Analysis:

2.00 - 2.50
1.88 - 2.62

Molybdenum (Mo)

%

Heat Analysis:
Product Analysis:

0.90 - 1.10
0.85 - 1.15


If you're satisfied with our astm a387 grade 22 class 2 boiler steel, welcome to place orders with us. As one of the best Boiler Pressure Vessel Steel Plate manufacturers and suppliers in China, we have bulk hot sale products in stock at your choice. For detailed chemical composition and free sample, contact our factory now. Competitive price and good service are offered.
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