热处理程序 - 中英文

1.Purpose and Applicable Scope

目的和适用范围

This procedure rules the operation and process requirements of heat treatment for offshore mooring chain and accessory. The purpose is to ensure that the process of heat treatment can meet technical requirements and the product property after heat treatment can achieve specified requirements.

本程序规定了系泊链和附件热处理时的作业和程序要求，旨在保证系泊链和附件的热处理符合工艺要求，热处理后的产品性能符合规定要求。

The procedure is applicable for the heat treatment operation of offshore mooring chain and accessory.

本程序适用于系泊链及附件热处理过程的生产作业。

2.Reference Files and Standards

引用文件及标准

Enterprise specification: Mooring Chain Technical Specification

System documents: Control process for special procedure

Inspection Guide for offshore mooring chain

Heat treatment technology for offshore mooring chain

Classification Society Specifications

3.Calibration for Heat Treatment Furnace

热处理炉校准

3.1Before the heat treatment, the temperature controlled, monitor and record system of heat treatment should

be confirmed that have been properly calibrated. The actual temperature difference between metal of offshore mooring chain and heat treatment furnace (if exist) cannot surpass ±25℃. The moving speed of offshore mooring chain also need be check to confirm the time parameter.

在热处理开始之前，要确认热处理炉的温度控制、监控和记录系统是在有效的校准下。实际的系泊链金属和热处理炉气氛之间的温度差异（如有）不能超过±25℃。也要检查系泊链的运行速度以确认时间参数。

3.2Uniformity test for furnace temperature

炉温均匀性试验

3.2.1Uniformity test for furnace temperature should be performed for following situation

以下情况应进行炉温均匀性测试

a.New heat treatment into the production for the first time;

新添置的热处理炉首次应用于生产；

b.The heat treatment furnaces of overhaul or technical reform;

经过大修或技术改造的热处理炉；

c.Change the positions of controlling temperature or temperature sensor for recording;

控温或记录温度传感器位置变更时；

d.Temporary or regular uniformity test for furnace temperature

定期或临时需要进行温度均匀性测试时；

e.Method or speed of furnace air flow changes;

炉气流动方式、速度改变；

f.The size, quantity, type or position of burner changes

燃烧器尺寸、数量、类型或位置改变；

g.The temperature controlled configuration changes

温度控制配置改变；

h.When the heat treatment specification of current chain and previous chain differ about 15% and

current chain never measured before.

当本次热处理链与上次热处理规格相差15%而从未测量过时。

3.2.2Method and requirements

方法及要求

a.Resistance furnace

电阻炉

Perform furnace temperature uniformity test based on “Testing Procedure for Working

Zone of Heat Treatment Furnace”.

按照《热处理炉有效加热区测定规程》进行炉温均匀性测试。

b.Vertical continuous tempering furnace

立式连续调质炉

The heat treatment furnace is inspected by monitor link. This monitor link is same as product link,