S355j0wp 耐候钢

S355J0WP Corten steel 优惠 优异的耐腐蚀性, good mechanical strength, and reliable weldability, making it ideal for structural outdoor use. Compared with SPA-H, it provides slightly enhanced corrosion resistance and defined impact properties, making it suitable for more demanding engineering environments.

分类：耐候钢

描述

S355J0WP Corten steel is a European standard weathering steel (在 10025-5), widely used in structural and architectural applications. 它旨在形成一个 保护锈层 (铜绿), improving corrosion resistance in outdoor environments.

S355J0WP化学成分

S355J0WP contains alloying elements that enhance atmospheric corrosion resistance:

元素	内容 (%)
碳 (C)	≤ 0.12
硅 (和)	0.25 – 0.75
锰 (锰)	0.20 – 1.50
磷 (磷)	0.07 – 0.15
硫 (S)	≤ 0.035
铜 (铜)	0.25 – 0.55
铬 (铬)	0.50 – 1.25
镍 (在)	≤ 0.65
铝 (铝)	≥ 0.015

S355J0WP的机械性能

财产	典型值
产生强度	≥ 355 兆帕
抗拉强度	470 – 630 兆帕
Impact energy	≥ 27 J (at 0°C)
伸长	≥ 20%

主要特点

优异的耐大气腐蚀性能

的存在 铜, 铬, 和P promotes the formation of a stable rust layer that protects the steel.

结构强度好

With a yield strength of 355 兆帕, it is suitable for load-bearing structures.

焊接性

S355J0WP has good weldability, making it suitable for fabrication and construction.

比较: S355J0WP vs SPA-H

SPA-H is a Japanese standard weathering steel (就G3125), also widely used in outdoor structures.

财产	S355J0WP	SPA-H
标准	在 10025-5	就G3125
产生强度	≥ 355 兆帕	≥ 355 兆帕
抗拉强度	470 – 630 兆帕	480 – 630 兆帕
Main alloying elements	铜, 铬, 在, 磷	铜, 铬, 在
Phosphorus content	更高 (提高耐腐蚀性)	降低
影响韧性	Specified (0℃)	Usually not specified
耐腐蚀性	出色的	非常好
典型应用	Structural engineering, 建筑学	桥梁, 容器, 园林绿化

主要差异

磷含量: S355J0WP contains more phosphorus, which enhances corrosion resistance but may slightly affect weldability.
标准体系: S355J0WP follows European standards, while SPA-H follows Japanese standards.
应用重点:
- S355J0WP is more common in structural and architectural engineering
- SPA-H广泛应用于 容器, 桥梁, and general outdoor applications