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S SS S- -- -8018.B2R8018.B2R8018.B2R8018.B2RCOVERED ARC WELDING ELECTRODE

FOR WELDING 1.25% Cr 0.5% Mo STEEL

HYUNDAI WELDING CO., LTD.

Rev. 01

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Mechanical Properties& Chemical Compositions of all-Weld Metal

This information is provided solely for the purpose of confirming product conformance with applicable standards. The serviceability of a product orstructure utilizing this type of information is and must be the sole responsibility of the builder/user. Many variables beyond the control of HYUNDAIWELDING CO., LTD. affec t the results obtained in applying this type o f information. These variables include, but are no t limited to, welding procedure,shielding gas, plate chemistry and temperature, weldment design, fabrication methods and service requirements.

Mechanical Properties of The Weld Metal

Chemical Analysis of The Weld Metal(wt%)

Welding Conditions

: 4.0 x 400

: 170 / 23~ 25

: 160 ~ 190

: DC

Bruscato Factor X= 10P + 5Sb + 4Sn + As (ppm) = 18 max or 15 max100

Watanabe J Factor = (Mn+Si) x (P+Sn) x 10 4 = 180 max or 120 max

2hr690 27.2641566

1hr

1hr

TimeTemp

690

91

62

- 20

143

PWHTConsumable

Tensile test Impact test (J)

YS (MPa) TS (MPa) EL (%) 0

S- 8018.B2R578 664 25.4 144 690

AWS A5.5 460 min. 550 min. 19 min. Not- Specified

-

125

J- factor

-

10.4

X- factor(ppm)

-

0.0010As

-

0.0020Sn

-

0.0050Sb

0.40 ~0.65

0.58Mo

1.00 ~1.50

1.32Cr

ConsumableChemical Composition (%)

C Si Mn P SS- 8018.B2R 0.069 0.57 0.82 0.007 0.010

AWS 5.5 0.05 ~0.120.80max

0.90max

0.03max

0.03max

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Hardness& Weldability& Diffusible Hydrogen Contents

This information is provided solely for the purpose of confirming product conformance with applicable standards. The serviceability of a product orstructure utilizing this type of information is and must be the sole responsibility of the builder/user. Many variables beyond the control of HYUNDAIWELDING CO., LTD. affec t the results obtained in applying this type o f information. These variables include, but are no t limited to, welding procedure,shielding gas, plate chemistry and temperature, weldment design, fabrication methods and service requirements.

Weldability

Diffusible Hydrogen Contents of Weld Metal

Gas Chromatograph3.323.263.213.343.46DC 170 Amp.S- 8018.B2R(4.0 mmx 400)

Avg.X4X3X2X1

Test method

Diffusible hydrogen contents( / gr. Weld metal)Welding

currentConsumable

DivisionItem Flat position Vertical position

Arc stability Excellent Excellent

Melting rate Excellent Excellent

Deposition rate Excellent Excellent

Resistance of spatter occurrence Excellent Excellent

Bead appearance Good Good

Slag detachability Good Good

Average Hydrogen ContentAverage Hydrogen ContentAverage Hydrogen ContentAverage Hydrogen Content 3.32 3.32 3.32 3.32 / 100g Weld Metal / 100g Weld Metal / 100g Weld Metal / 100g Weld Metal

Hardness

199

Avg.

690 *2hr207203194200190DC 170 Amp.S- 8018.B2R

(4.0 mmx 400)

X5X4X3X2X1

PWHT

Hardness of all- Weld Metal(HB)Welding

currentConsumable

Test method : JIS Z 3114

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Proper Welding conditions & &&& Approval

This information is provided solely for the purpose of confirming product conformance with applicable standards. The serviceability of a product orstructure utilizing this type of information is and must be the sole responsibility of the builder/user. Many variables beyond the control of HYUNDAIWELDING CO., LTD. affec t the results obtained in applying this type o f information. These variables include, but are no t limited to, welding procedure,shielding gas, plate chemistry and temperature, weldment design, fabrication methods and service requirements.

Authorized Approval Details

This test report is made for giving general information,and it's not meaning guarantee.Test results are changeable by several welding - parameter including base materials

Notice

Classification Dia.(mm)

Weldingposition

Grade

AWS KR ABS LR BV DNV GL NK

E8018.B2 2.6~ 5.0

All

Sizes Available and Recommended Currents

120 ~ 17080 ~ 12050 ~ 80Vertical & Overhead position

190 ~ 240

400

5.0

130 ~ 18090 ~ 13055 ~ 90Flat positionRecommendedcurrent range( AC or DC + Amp.)

400350350Length (mm)

4.03.22.6Diameter (mm)