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Generic 8lb can
照片仅做参考，请以最终实物为准

直径 / 包装

直径
 10 lb 易开罐
 50 lb 易开罐
1/8 x 14 in (3.2 x 350 mm) ED032589
3/32 x 14 in (2.4 x 350 mm) ED032588
5/32 x 14 in (4.0 x 350 mm) ED032590 ED028282

Excalibur® 7018 MR®

焊条电弧焊

等级:
AWS A5.1 : E7018 H4R

E7018 H4R

直径

选择直径

  • 1/8 x 14 in (3.2 x 350 mm)
  • 3/32 x 14 in (2.4 x 350 mm)
  • 5/32 x 14 in (4.0 x 350 mm)

包装

选择包装

  • 10 lb 易开罐
  • 50 lb 易开罐

详情

碳钢，低氢 • AWS E7018 H4R

产品特性

  • 药皮完整性改善
  • 极高的弯曲韧性
  • 卓越的电弧性能
  • 优异的防潮性
  • 清晰的熔池和稳定的电弧

典型应用

  • 钢构
  • 船舶建造焊接
  • 化工处理结构件焊接
  • 压力管道焊接
  • 低碳钢通用焊接

焊接位置

  • 全位置（除立向下）

保护气体

  • 不适用

产品优势

  • Excalibur® 7018 MR®是一款碳钢，低氢型焊条，其改进型药皮设计具有卓越完整性，极高的弯曲韧性，且吸潮率比同类产品低60%

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 A5.1 E7018 H4R
ISO ISO 2560-B E4918 A H5
ABS ABS - Part 2 3YH5
BV BV - Chapter 5 3YHHH
CWB CSA W48 E4918
DNV-GL DNV - 2.9 3YH5
LR LR - Chapter 11 3YM H5

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
% 		Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) 		Hardness Rockwell B
E7018 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 420-510 (60-74) 510-600 (74-87) 24-36 27-413 (20-304) 82-91

DEPOSIT COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %V %Mn+Ni+Cr+Mo+V Diffusible Hydrogen
mL/100g Weld Metal 		1800F H2O - As received 1800F H2O - After 9 hrs at 80F/80%RH
E7018 H4R Requirement 0.15 max. 0.20 max. 1.60 max. 0.30 max. 0.30 max. 0.035 max. 0.035 max. 0.75 max. 0.08 max. 1.75 max. 4 max. 0.3 max. 0.4 max.
Typical Result 0.04-0.07 0.02-0.06 1.08-1.51 0.04 max. 0.01-0.05 0.009-0.016 0.004-0.011 0.41-0.66 0.01 max. 1.15-1.59 1-4 0.1 max. 0.2-0.4

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32 in (2.4 mm) DC+ 70-110
3/32 in (2.4 mm) AC 80-120
1/8 in (3.2 mm) DC+ 90-160
1/8 in (3.2 mm) AC 100-160
5/32 in (4.0 mm) DC+ 130-210
5/32 in (4.0 mm) AC 140-210
3/16 in (4.8 mm) DC+ 180-300
3/16 in (4.8 mm) AC 200-300
7/32 in (5.6 mm) DC+ 250-330
7/32 in (5.6 mm) AC 270-370
1/4 in (6.4 mm) DC+ 300-400
1/4 in (6.4 mm) AC 325-420

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.
Extreme bendability applies to 3/32, 1/8, and 5/32 in. diameters.