---
title: "NCh 标准钢种 — 2 个牌号"
description: "依据 NCh 标准命名的钢种，含化学成分、力学性能及其他标准中的对应牌号。涵盖 2 种材料的 2 个牌号。"
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NCh · 2 牌号

# NCh 标准钢种 — 2 个牌号

NCh 命名的全部牌号，并附上我们掌握的识别信息与对比数据。点开任一牌号可查看完整成分、性能与其在其他标准中的名称。 本页每个名称都在我们的资料中记录为本标准对该牌号的自有称谓。

## 别名

 2 个名称

| 牌号 | 另见于项其他标准 |
|---|---|
| [A250ESP](/zh/材料/nch/a250esp "A250ESP") | 1 |
| [A345ESP](/zh/材料/nch/a345esp "A345ESP") | 1 |

**该牌号专有名称** — 在我们的资料中记录为该牌号在该标准下的专有名称。
**参考对照** — 取自公开的对照表；属于接近匹配，并非可互换性的保证。下单前请与质保书核对。
**已废止** — 该名称已不再现行——它与上面两项是彼此独立的字段，因此一个名称可以同时是同一牌号且已废止。