Test or certification item 测试或认证名称: Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel 高强度低合金铌 - 钒结构钢标准规范
Test or certification info 测试和认证相关内容: 力学、化学分析(5元素)
Refer products 涉及产品: 钢材
Lead time 周期: 常规服务 regular service 8 工作日 working days ( URGENT service, to be confirm, 加急服务待定 )
Photo for reference 涉及图片: