ISO 1835:2018 起重用圆钢短链 中等公差吊索链 4级不锈钢

标准编号：ISO 1835:2018

中文名称：起重用圆钢短链 中等公差吊索链 4级不锈钢

英文名称：Round steel short link chains for lifting purposes — Medium tolerance sling chains — Grade 4, stainless steel

发布日期：2018-08

标准范围

本文件规定了4级不锈钢中公差吊链的要求，最好用于4级不锈钢吊链或其他起重用途。本文件涵盖的公称直径dn范围为4 mm至22 mm。这些吊索链为圆钢短链环链，标称节距pn=3×dn，电焊、固溶退火和测试。它们是在温度范围内使用的吗？100°C至+400°C。它们符合ISO 1834的一般验收条件。注1:由于吊索链在成品条件下进行固溶退火，因此根据5.2，吊索链的使用不受钢材耐腐蚀性的限制。在制造链条之前，通过冷拔钢丝可获得更高等级的不锈钢链条。因此，如果不降低强度，固溶退火是不可能的。尤其是焊缝代表了耐腐蚀性的关键区域。注2:ISO 4063中列出了电阻对焊和闪光焊。

This document specifies the requirements for medium tolerance sling chains of grade 4 from stainless steel for use preferably in chain slings of grade 4 from stainless steel or for other lifting purposes.The range of nominal diameter, dn, covered by this document is from 4 mm to 22 mm.These sling chains are round steel short link chains with a nominal pitch, pn = 3 × dn, electrically welded, solution-annealed and tested. They are for use in the temperature range?100 °C to +400 °C. They comply with the general conditions of acceptance of ISO 1834.NOTE 1 Because sling chains are solution-annealed in the finished condition, they can be used without restrictions with regard to the corrosion resistance of the steels according to 5.2. Higher grades of stainless steel chains are achieved by cold drawing of the wire prior to the chain manufacturing. Therefore, solution annealing is not possible without reduction of strength. The weld seam, in particular, represents a critical area with regard to the corrosion resistance.NOTE 2 Resistance butt welding and flash welding are listed in ISO 4063.

标准预览图