

Applicable equipment: Screw conveyors for long-distance material transportation, such as long-distance screw conveying equipment used to transport coal underground in coal mines, or long-distance grain conveying equipment used for warehouse entry and exit operations in large grain reserves. The long-shaft design can reduce intermediate connections and improve conveying efficiency and stability.
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|
Chinese Standard |
USA (ASTM/ASME) |
Australia/New Zealand (AS/NZS) |
Europe (EN) |
Notes |
|
Q355B |
ASTM A572 Grade 50 / A992 |
AS/NZS 3679.1 Grade 350 |
EN S355JR / S355JO / S355J2 |
High-strength structural steel, yield strength ≥ 355MPa |
|
Q235B |
ASTM A36 |
AS/NZS 3679.1 Grade 250 |
EN S235JR / S235JO / S235J2 |
General structural steel, yield strength ≥ 235MPa |