ASTM A724 Grade C in the standard ASTM A724/A724M is a kind of carbon steel plates material used to fabric welded multilayer pressure vessels. A724 Grade C is also a Quenching + Tempering steel material. ASTM A724 have three types Grade A, Grade B, and grade C .
Standard: ASTM A724/A724M
Steel Grade : A724 Gr A, A724 Gr B, A724 Gr C
Thickness :1.5mm -260mm
Width :1000mm-4000mm
Length :1000mm-18000mm
MOQ: 1 PC
Delivery time : 10-40 days (Production)
Stock : Unavailable
MTC: Available
Payment Term : T/T or L/C At sight
ASTM A724 Grade C steel chemical composition (%):
|
Composition |
Grade C |
|
|
C ≤ |
Heat analyse |
0.22 |
|
Product analyse |
0.26 |
|
|
Mn |
Heat analyse |
1.10~1.60 |
|
Product analyse |
1.02~1.72 |
|
|
P ≤ ,S ≤ |
0.035 |
|
|
Si |
Heat analyse |
0.20~0.60 |
|
Product analyse |
0.18~0.65 |
|
|
Cu ≤ |
Heat analyse |
0.35 |
|
Product analyse |
0.38 |
|
|
Mo ≤ |
Heat analyse |
0.08 |
|
Product analyse |
0.09 |
|
|
Ni ≤ |
Heat analyse |
0.25 |
|
Product analyse |
0.29 |
|
|
Cr ≤ |
Heat analyse |
0.25 |
|
Product analyse |
0.29 |
|
|
V ≤ |
Heat analyse |
0.08 |
|
Product analyse |
0.09 |
|
|
B |
≤ 0.005 |
|
Note : 1. When Cu, Mo, Ni, Cr composition ≤ 0.02% , the test report can state " ≤ 0.02% "
2. When B composition ≤ 0.001% , the test report can state " ≤ 0.001% "
ASTM A724 Grade C abstract :
This specification covers standard requirements for three grades of carbon-manganese-silicon steel, designated Grades A, B, and C. Grade C may be produced with a boron addition. The plates shall be quenched and tempered and shall be intended for welded-layered pressure vessels. The steel shall be killed and shall conform to the fine austenitic grain size requirement. Heat and product analyses shall be performed wherein the material shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, copper, nickel, chromium, molybdenum, vanadium, and boron. The steel plate shall undergo tension test and shall conform to tensile requirements such as tensile strength, yield strength, and elongation.
ASTM A724 Grade C Scope :
1 .This specification ASTM A724 covers three grades of carbon-manganese-silicon steel, designated Grades A, B, and C. Grade C may be produced with a boron addition. The plates are quenched and tempered and are intended for welded-layered pressure vessels.
2 .The maximum thickness of plates supplied under this specification is limited only by the capability of the chemical composition to meet the specified mechanical requirements.
3 .The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
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