ASTM A131 B steel plate

Because of the harsh working environment of the ship, ASTM A131 B steel plate should bear the chemical corrosion of seawater, electrochemical corrosion and corrosion of marine organisms and microorganisms, as well as the large impact of wind and wave and the effect of alternating load, and the complex processing and shaping of the ship, so the requirement of ASTM A131 B steel plate is strict. ASTM A131 B steel plate has a strictly required of carbon equivalent, and produced by steel mills approved by the ship inspection department.

 

ASTM A131 B chemical composition:

Grade	C	Si	Mn	P	S	C+Mn/6
A131 B	0.21	0.35	0.60	0.035	0.035	0.40

ASTM A131 B mechanical properties:

Grade	Yield Strength (Mpa)	Tensile Strength (MPa)	Elongation in8 in.[200mm] (%)	Elongation in2 in.[50mm] (%)	Test Temperature(°C)
A131 B	235	400-520	21	24	20

 

Shanghai Katalor could supply ASTM A131 B steel plate with the original quality certificate according to the customer's requirement. The certificates contains the following contents:

1. Normative requirements;
2. Quality Record Number and Certificate Number;
3. Heat/Batch Number, Steel Grade;
4. Chemical Composition and Mechanical Properties;
5. Classification Society Accreditation Certificate and Ship Inspector's Signature.