What are the differences between A216WCB and regular WCB?

1. Different types: WCB is cast steel.

A type of welded structural steel in the United States A216. A216 is the standard grade, and WCB is a grade in A216, so it is necessary to pay attention to the distinction during use.

2. Different grades: A216 is a carbon steel suitable for fusion welding at high temperature.

The standard number of the casting internals specification. A216 is available in three grades: WCA, WCB and WCC.

3. Different carbon content: A216 is the standard number, like A216-WCB and A216-WCC are carbon steel, but the carbon content is different, and you can buy it according to your own needs in the market.

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There is no difference, WCB is a grade of the American Materials Society, and the full writing is ASTM A216 WCB

A216 refers to the standard: ASTM A216 Standard Specification for Meltable Weldable Carbon Steel Castings for High Temperature WCB is the material in this standard.

It is carbon cast steel. WCB Chemical Composition: Carbon (C) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si) Note:

With each decrease in c, Mn can be increased, but the maximum Mn cannot be higher. Mechanical properties: RM485-655MPa REL 250MPa A 22% Z 35%.

Citation: ASTM A216 (American grade) corresponds to domestic cast steel grade ZG230-450. Writing on the valve indicates the valve body material.

Its chemical composition:

c≤;si≤;mn≤;p≤;s≤;Impurity element cr ; mo≤;v≤;ni≤;cu≤。

Total impurities 1%.

Note: Mn can be increased with each decrease in C, but the maximum Mn cannot be higher.

Mechanical properties: RM485-655MPa.

rel≥250mpa。

a≥22%。

z≥35%。

A216 refers to the standard: ASTM A216 Standard Specification for Weldable Carbon Steel Castings for High Temperature WCB is the material in this standard, which is carbon cast steel.

WCB Chemical Composition:

Carbon (c) Manganese (mn).

Phosphorus (P) Sulfur (S).

Silicon (Si).

Note: Mn can be increased with each decrease in C, but the maximum Mn cannot be higher.

Mechanical properties: RM485-655MPa.

rel≥250mpa

a≥22%z≥35%