1. Thermal shock resistance
According to GB/T 4547 regulations.
2. Water erosion resistance of the inner surface
According to GB/T 4548 regulations.
3. Internal stress
According to GB/T 4545 regulations.
Jan 23, 2021
1. Thermal shock resistance
According to GB/T 4547 regulations.
2. Water erosion resistance of the inner surface
According to GB/T 4548 regulations.
3. Internal stress
According to GB/T 4545 regulations.
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