符合GB/T10045 T49 4T1-1 C1 A NCC2 相当 A5.29 E71T1 GC

产品特性DESCRIPTION

SWE71NH属于定制化耐候钢焊丝，常用于海工、公路及桥梁等长期暴露于大气中的户外结构。

SWE71NH is a customized weathering steel welding wire, which is often used in outdoor structures that are exposed to the atmosphere for a long time, such as marine engineering, highways and bridges.

应用APPLICATIONS

适用于Q355NH及ASTM A588等同等强度的钢材。

It is suitable for steels with equivalent strength such as Q355NH and ASTM A588.

电源类型CURRENT TYPE

焊枪接正电极DC+

过程保护PROCESS

100%Co2 gas-shielded welding

焊接位置WELDING POSITIONS            

平焊、角焊、仰焊、立向上焊、立向下焊 Flat, fillet, tilt, vertical up , vertical down

熔敷金属化学成分CHEMICAL COMPOSITION OF WELDED METAL %

项目

C

Si

Mn

P

S

Cu

Ni

Cr

GB/T Standard

≤0.12

0.2-0.8

0.8-1.6

≤0.03

≤0.03

0.20-0.50

0.3-0.8

0.1-0.4

例值 Typical values

0.04

0.30

1.25

0.012

0.005

0.33

0.71

0.21

熔敷金属力学性能MECHANICAL PROPERTIES OF WELDED METAL

试验项目

Rel/Rp0.2屈服强度（MPa）

Rm抗拉强度（MPa）

A伸长率（%）

试验温度（℃）

KV2(J)

GB/T Standard

≥390

490-670

≥18

-40℃

≥47

例值 Typical values

460

550

27.5

120

作业条件OPERATING CONDITIONS

直径Diameter [mm]

φ1.2

φ1.4

φ1.6

电流Current [A]

平焊Flat

150-300

180-320

200-400

上立焊/仰焊V-Up&Overhead

120-260

150-280

180-280

下立焊Vertical Downward

110-180

130-200

150-230

包装PACKAGING

5kg  15kg 盘装 Coil    也可以定制其他包装和规格Other packaging and other diameters: please consult us