ASTM A1021 Grade B
2021-06-24 08:08:54 Origin： Remark：0 Click：
TECHNICAL SPECIFICATIONS - ASTM A1021 (2015)
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS - BV
MATERIAL CATEGORY - Martensitic stainless steel
CHEMICAL COMPOSITION ( Mass Weight %)
Si (％): ≤ 0.50
Mn (％): 0.25 ~ 0.80
P (％)≤: 0.018
S (％)≤: 0.015
Cr (％): 11.5 ~ 13.0
Ni (％): ≤ 0.75
Mo (％): ≤ 0.50
Yield strength, σ0.2/MPa: 620
Elongation, δ(％): 18.0
Hardness via heat treatment /HBW: 269 Max.
METHOD OF MELTING
The alloy is usually produced by BEF - AOD / EAF + VD + LF, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
Mechanical parts used in the condition of corrosion resistance
Bolts and nuts
Pressure vessel parts
Round bar (Diameter): 5.5 ~ 500mm
Flat bar / plate (Thickness X Width): 10 ~ 400 X 15 ~ 650mm
Length: random length, fixed length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
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