carbon-free stainless steel

例句：

1. 1. This new car has carbon-free stainless steel wheels, which are more durable and environmentally friendly.
   这款新车的车轮是无碳钢不锈钢，更耐用且环保。
2. 2. The construction of the bridge was made with carbon-free stainless steel to ensure its longevity and durability.
   这座桥梁的建设使用了无碳钢不锈钢，以确保其持久性和耐用性。
3. 3. The manufacturer claims that their carbon-free stainless steel products are more resistant to corrosion than traditional steel.
   制造商声称，他们的无碳钢不锈钢产品比传统钢材更能抵抗腐蚀。