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Innershield Family
照片仅做参考，请以最终实物为准

直径 / 包装

直径
 14 lb 卷装
5/64 in (2.0 mm) ED023366

Innershield® NR®-208-H

自保护药芯焊丝电弧焊

等级:
E91T8-G-H8
E91T8-AG-G-H8

林肯电气Innershield® NR®-208-H自保护药芯焊丝专用于高强熔敷金属焊接，其屈服强度测试结果超出AWS标准最低要求

直径

选择直径

  • 5/64 in (2.0 mm)

包装

选择包装

  • 14 lb 卷装

详情

本焊丝形成的熔敷金属屈服强度高于AWS标准下限，推荐用于API 5L X80级管线钢焊接

产品特性

  • 专为高强熔敷金属焊接设计
  • 推荐用于API X80级管线钢
  • 高熔敷率

典型应用

  • 标准长输管道焊接
  • 北极环境X70低匹配管道焊接

焊接位置

  • 全位置（除立向上）

保护气体

  • N/A

服务支持

文档

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SDS信息 SDS 搜索页面

参考实验结果 免责声明

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.29 E91T8-G-H8
AWS AWS A5.36 E91T8-AG-G-H8

MECHANICAL PROPERTIES

Classification Polarity Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
% 		Charpy V-Notch
J (ft-lbs) @ -20°C (0°F)
E91T8-G-H8 Requirement DC- 540 (78) min. 620-760 (90-110) 17 min.
Typical Result, As-welded DC- 590 (85) 660 (96) 26 115-123 (85-91)

DEPOSIT COMPOSITION

Classification Polarity %Al %C %Cr %Mn %Mo %Ni %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E91T8-G-H8 Requirement DC- 1.8 max. 0.30 min. * 0.50 min. * 0.20 min. * 0.50 min. * 0.030 max. 0.030 max. 1.00 max. 8.0 max.
Typical Result DC- 1.0 0.05 0.04 2.18 0.02 0.78 0.010 0.001 0.26 4.7

TYPICAL OPERATING PROCEDURES

Diameter Polarity CTWD
mm (in.) 		Wire Feed Speed
m/min (in/min) 		Voltage
volts 		Approx. Current
amps 		Melt-off Rate
kg/hr (lb/hr) 		Deposition Rate
kg/hr (lb/hr) 		Efficiency
%
5/64 in (2.0 mm) DC- 25 (1) 1.7 (70) 16-17 195 1.8 (4.0) 1.4 (3.2) 81
5/64 in (2.0 mm) DC- 25 (1) 2.0 (80) 17-18 220 2.1 (4.6) 1.7 (3.9) 84
5/64 in (2.0 mm) DC- 25 (1) 2.2 (90) 18-19 235 2.5 (5.4) 2.0 (4.5) 84
5/64 in (2.0 mm) DC- 25 (1) 2.7 (110) 19-20 270 2.9 (6.5) 2.4 (5.5) 85
5/64 in (2.0 mm) DC- 25 (1) 3.3 (130) 19-20 295 3.5 (7.6) 2.9 (6.5) 85

NOTES

Note
* To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements.