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Base metal(ASTM/AISI)

Recommended welding consumables

Brand Name AWS Spec.

0.5%Mo P/T1 EF-200H×KD-60 F8P0-EA3-A3

1%Cr-0.5Mo P/T11 EF-200H×KD-B2 F8P0-EB2-B2

2%Cr-1%Mo P/T22 EF-200H×KD-B3 F9P0-EB3-B3

9%Cr-1%Mo-V P/T91 EF-200HP×KD-B9 F10PZ-EB9-B9

Product Y.S

(MPa)T.S

(MPa)El.(%)

PWHT

EF-200H×KD-60 570 630 30 620℃×1Hr

EF-200H×KD-B2 590 650 27 690℃×1Hr

EF-200H×KD-B3 610 700 24 690℃×1Hr

EF-200HP×KD-B9 700 800 20 760℃×2Hr

SAW products for Heat-resisting steels 用于耐热钢的埋弧焊产品

Tensile test of All-weld metal 熔敷金属的拉伸实验

SAW Products for Heat-resisting steels用于耐热钢的埋弧焊产品

Characteristics 类型● EF-200H is agglomerated flux, mainly for joining applications with heat-resisting steels● Single and multi-layer for pressure vessels, oil-refining equipment, boilers, steam pipes,

nuclear, chemical engineering apparatus., etc● Neutral flux for multi-pass welding● EF-200HP is an agglomerated flux of fluoride basic flux with a high basicity.

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Product C Si Mn Cr Mo V N

EF-200H×KD-60 0.08 0.15 1.60 0.51

EF-200H×KD-B2 0.10 0.18 0.90 1.12 0.49

EF-200H×KD-B3 0.08 0.27 0.90 2.16 0.93

EF-200HP×KD-B9 0.10 0.20 0.80 8.20 0.90 0.18 0.04

Chemical composition of all-weld metal (%)化学成分和机械性能

Microstructure and bead shape (Product : EF-200H×KD-60) 微观结构和焊道外观

PWHTOMx500

PWHTSEMx500

Bead shape

As-weldedOM

x500

As-weldedSEMx500