ASTM A204 Gr.B boiler steel is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels. A204 this property is based on it's Mo composition. A204 Grade B pressure vessel steel plate contains a higher Carbon than boiler steel plate A204 Grade A,so pressure vessel steel plate A204 Grade B ownd a higher yield strength and tensile strength at 485-620 Mpa.
Equivalent steel grade of A204 Grade B boiler steel is 15 CD 4.05 under France.ASTM A204 Grade B pressure vessel steel plate is used in fabricators serving industry, especially in the oil, gas and A204 Grade B steel plate Chemical supply markets.
Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4.1
S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17
ASTM A204 Gr.B steel plate Specification
Thickness: 6MM to 150MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
A204 Grade B steel plate Chemical composition(%)
C:0.20-0.27 Si:0.13-0.45 Mn:0.90-0.98 P≤0.035 S≤0.035
ASTM A204 Gr.B Mechanical property
Tensile strength, kis [MPa]: 70-90 [485-620] Yield strength, min, kis [MPa]: 40 [275] Elongation in 8 in. [200 mm], min, %:17 Elongation in 2 in. [50 mm], min, %:21
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
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