设备有限公司核电用钢板P265GH供货技术

协议

供方：需方：

厚板部设备有限公司

代表：代表：

日期：日期：

1. General 概述

1.1 This specification was defined according to RCC-M M1131-2000, Class 3《For Class 1, 2 and 3 Carbon Steel Plates》.

该规范根据RCC-M M1131-2000,Class 3《1,2 和3级碳钢钢板》制定。

1.2The material shall comply with these delivery instructions in chemical composition, mechanical property and all other listed requirements.

该材料应符合交货说明中的材料的化学成分，机械性能及其他所提及的要求。

1.3 The shape and dimension (semi-finished product) and other delivery requirements are stated in the purchase order.

材料的形状，尺寸（半成品）和其他交货要求见采购订单。

1.4 This Agreement applies to the thickness 6-80mm.

本协议适用厚度6-80mm。

1.5 This specification shall be written in in both Chinese and English.If there is any inconsistency or conflict between the English and Chinese versions, the Chinese version shall prevail for all purposes.

本协议采用中英双语对照，若英文版本与中文版本出现任何歧义,概以中文版本为准。

2. Melting process and delivery冶炼及交货

2.1 Melting process 冶炼

The steel shall be fully killed. 钢为完全镇定钢。

2.2 The plates shall be delivered normalized by furnace heat treatment.

钢板以正火状态交货。

3. Material Requirements 材料要求

3.1 Chemical composition 化学成分

The heat analysis should be carried out each furnace, and product analysis each rolling plate. Melting composition should comply with table 1, and permissible deviations of the product analysis from the limit values of the melt analysis shall comply with the EN 10028-2:2003.

每一炉进行熔炼分析，每一轧制钢板进行成品分析。熔炼成分应符合表一规定，成品成分允许偏差应符合EN 10028-2:2003规定。

Table 1 Melting composition

表一熔炼分析要求

C Si Mn P S Cr Ni N

≤0.025 ≤0.015 ≤0.30 ≤0.30 ≤0.012b)≤0.20 ≤0.40 0.80a)～

1.40

Cu Mo Al tot Nb Ti V Cr+Cu+Mo+Ni

≤0.30 ≤0.08 ≥0.020 ≤0.020 ≤0.03 ≤0.02 ≤0.70

a) for product thicknesses < 6mm,a minimum manganese content of 0.20% lower than specified is permitted.

对于厚度< 6mm的成品，Mn含量可以比规定值低0.20%。

b) A ratio Al/N ≥ 2 shall apply.

Al/N ≥2。

3.2 Mechanical properties test at 23±5℃, transverse. (The different temperature is indicated).

室温下(23±5℃) 机械性能试验,横向(不同的温度已经标出)。

Tensile test should be according to EN 10002-1, and impact test according to EN10045-1. One sample per rolling plate, and the results should be consistent with table 2.

拉伸试验依据EN 10002-1，冲击试验依据EN 10045-1。每轧制大板取一个试样,试验结果应符合表2规定。

Table 2 Mechanical performance requirements

表二力学性能要求

t Product Thik 产品厚度mm R eH a)

Yield strength

屈服强度

MPa

R m

Tensile strength

抗拉强度

MPa

A

Fracture

Elongation

断后延伸率%

KV b)

Absorbed Impact

energy

冲击值J

≤16 Min.265

410~530 Min.22 Min.27(-20℃)

16

40

60

100

150

a)the ReH is not pronounced, can use the RP0.2.

如果ReH不明显,可以用RP0.2代替.

b)In the case of nominal product thickness (t) of 6mm≤t≤10mm subsidiary size test pieces of

widths of 7.5mm or 5mm shall be machined. For plates thicknesses <6mm, the impact test shall not be carried out.

如果6mm≤板厚t≤10mm,可以加工宽度为7.5mm 或5mm的辅助小冲击试样。板厚小于6mm的可以不做冲击试验。

Where subsidiary test pieces are used, the minimum impact energy values given shall be re duced in proportion to the cross-sectional area of the test piece.

当采用辅助小试样时，规定的最小冲击值可以按照面积缩小的比例相应的减少。

Mean value of the three test pieces shall meet the specified value, one individual value may be below the specified value, provided that it is not less than 70 % of that value.

三个试样的平均值要满足规定值，允许一个单个值低于规定值但不能低于规定值的70%。

3.3Sampling 取样

Samples shall be taken at ¼product width in accordance with the requirements of EN 10028-1. 按照EN 10028-1规定在板宽的1/4处截取试样。

3.4Preparation of test pieces试样的制备

The test specimen centerline shall be at a distance from the treated end at least equal to plate thickness.

试样中心线距离钢板加工尾端应至少等于钢板厚度。

3.4.1Tensile test pieces 拉伸试样

At least one rolled surface shall be retained on rectangular test pieces, however, both rolled surfaces shall generally be retained on the test piece for plates with the thickness ≤30mm.

矩形试样应至少保留一个轧制表面, 但是如果板厚≤30mm,一般情况下应保留两个轧制表面.

Round test pieces are permissible, but shall only be provided for product thickness >30mm, test