日本25MNCR5，美国25MNCR5 US标准，德国25MNCR5，瑞典25MNCR5，进口25MNCR5国家标准

　　Baosteel 25MNCR5，TAI Steel 25MNCR5，新铁路25MNCR5，日本冶金25MNCR5，Titeson Krupp 25mncr5，Ortukunpu 25mncr5