S355j0wp コールテン
S355J0WP Corten steel オファー 優れた耐食性, good mechanical strength, and reliable weldability, making it ideal for structural outdoor use. Compared with スパH, it provides slightly enhanced corrosion resistance and defined impact properties, making it suitable for more demanding engineering environments.
- 説明
S355J0WP Corten steel is a European standard weathering steel (で 10025-5), widely used in structural and architectural applications. を形成するように設計されています。 保護錆層 (緑青), improving corrosion resistance in outdoor environments.
S355J0WPの化学成分
S355J0WP contains alloying elements that enhance atmospheric corrosion resistance:
| 要素 | コンテンツ (%) |
|---|---|
| 炭素 (C) | ≤ 0.12 |
| シリコン (そして) | 0.25 – 0.75 |
| マンガン (ん) | 0.20 – 1.50 |
| リン (P) | 0.07 – 0.15 |
| 硫黄 (S) | ≤ 0.035 |
| 銅 (銅) | 0.25 – 0.55 |
| クロム (Cr) | 0.50 – 1.25 |
| ニッケル (で) | ≤ 0.65 |
| Aluminum (Al) | ≥ 0.015 |
Mechanical Properties of S355J0WP
| 財産 | 代表値 |
|---|---|
| 降伏強さ | ≥ 355 MPa |
| 抗張力 | 470 – 630 MPa |
| Impact energy | ≥ 27 j (at 0°C) |
| 伸長 | ≥ 20% |
主な特徴
優れた耐大気腐食性
の存在 銅, Cr, and P promotes the formation of a stable rust layer that protects the steel.
Good Structural Strength
With a yield strength of 355 MPa, it is suitable for load-bearing structures.
溶接性
S355J0WP has good weldability, making it suitable for fabrication and construction.
比較: S355J0WP vs SPA-H
スパH is a Japanese standard weathering steel (JIS G3125), also widely used in outdoor structures.
| 財産 | S355J0WP | スパH |
|---|---|---|
| 標準 | で 10025-5 | JIS G3125 |
| 降伏強さ | ≥ 355 MPa | ≥ 355 MPa |
| 抗張力 | 470 – 630 MPa | 480 – 630 MPa |
| Main alloying elements | 銅, Cr, で, P | 銅, Cr, で |
| Phosphorus content | より高い (improves corrosion resistance) | より低い |
| 衝撃靱性 | Specified (0℃) | Usually not specified |
| 耐食性 | 素晴らしい | Very good |
| Typical applications | Structural engineering, 建築 | 橋, コンテナ, 造園 |
主な違い
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リン含有量: S355J0WP contains more phosphorus, which enhances corrosion resistance but may slightly affect weldability.
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Standard System: S355J0WP follows European standards, while SPA-H follows Japanese standards.
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アプリケーションの焦点:
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S355J0WP is more common in structural and architectural engineering
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SPA-H is widely used in コンテナ, 橋, and general outdoor applications
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