SPA-H weathering steel plate specifications and standards are introduced in detail

SPA-H weathering steel plate is a kind of structural steel plate with good weather resistance, which is often used in outdoor buildings, Bridges, vehicles and other fields. The following is the detailed specification and standard introduction of SPA-H weathering steel plate:

Specifications:
- Thickness range: Usually 1.5mm-200mm, but other thicknesses can be customized according to requirements.
- Width range: usually 1000mm-3000mm, also can be adjusted according to need.
- Length range: usually 1000mm-12000mm, can also be adjusted according to requirements.

SPA-H weathering steel plate meets one of the following standards:

1. JIS G3125 (Japanese Industrial standard) :
JIS G3125 is a standard issued by the Chemicals and Materials Division of the Japanese Industry Standard.
SPA-H weathering steel plate in JIS G3125 refers to structural hot-rolled steel plates with high oxidation resistance and weather resistance.
- Standard requirements SPA-H weathering steel plate chemical composition includes: Carbon (C) shall not exceed 0.12%, silicon (Si) shall not exceed 0.75%, manganese (Mn) shall not exceed 1.00%, phosphorus (P) shall not exceed 0.15%, sulfur (S) shall not exceed 0.035%, copper (Cu) shall not exceed 0.25%, chromium (Cr) shall not exceed 0.30-1.25%, nickel (Ni) shall not exceed 0.65%.
- At the same time, the mechanical properties and weather resistance of SPA-H steel plates are also specified in detail.

2. ASTM A588 (American Society for Materials and Testing) :
ASTM A588 is a standard published by the American Society for Materials and Testing.
- ASTM A588 specifies low alloy structural steels with good resistance to atmospheric corrosion, including weather-resistant steel plates.
- The standard requires the chemical composition and mechanical properties of SPA-H weathering steel plate, as well as the test methods and evaluation of the resistance to atmospheric corrosion.

The requirements of these standards ensure that SPA-H weathering steel plate have excellent weather resistance, chemical composition and mechanical properties, giving them excellent corrosion resistance and strength in outdoor environments. When purchasing SPA-H weathering steel plate, the specific specifications and standards should be confirmed with the supplier to meet the specific needs.