Wide Flange Beams for offshore structures

S355 G11/G12 +M and Hi355 TZK

Weldability evaluation in accordance with EN 10225June 2012

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Date Long Products R&D / Dept – Auteur 1

Content

• Base metal characterization (Appendix 1 : certificate)– Identification of the beam– Chemical composition– Mechanical properties

• Welding procedure qualification records (Performed by Institut de soudure) – Appendix 2

• Weld characterization to EN10225:2009– Macrography– Hardness result– CTOD– Cross-weld tensile results– Charpy V Notch results

Tested by Institut de Soudure

Tested by AM, supervised by Lloyds register

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Base metal characterization

• Identification of the beam

• Chemical composition (%) : Product analysis

• Mechanical properties : S355G11/G12+M and Hi355TZK

0300140 / 21mmHEM 600Heat n°Thickness Flange /webSection

0,007

V

0.040

Mo

0.002

Ti

0.020

Nb

0.11

Cr

0.021

Al

.330.150.250.240.0060.0201.100.09

CENiCuSiSPMnC

239146

263, 204, 249138, 138, 161

-40°C-40°C

LongitudinalTransversal

Subsurface Subsurface

255734681/6 Flange width

Subsurface Subsurface

Location Ind

LongitudinalTransversal

OrientationAbsorbed energy CVN test (J) - Longitudinal

-40°C-40°C

T°

5050

22460-620

345*

Req.

A5dRmReMean

Sample location

Tensile properties

*Req Hi355TZK : 355MPa

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Welding procedure qualification records (WPQR)

• Performed by “Institut de la Soudure (Yutz, France)”

No

No

No

Preheating

50kJ/cm½ V121 SAW

ESAB wire : OK Autrod 12.32 + OKFlux 10.62

35 kJ/cm½ V121 SAW

Oerlikon Fluxofil 417 kJ/cm½ V136FCAW

10225

Weld metal*NominalHeat input

Bevel machined

MomenclatureEN ISO 4063

Welding process

EN

*actual welding energy available on request according report of IS

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Longitudinal and transversal testing

All welds with restraint

Longitudinal Testing

Parallel to the rolling direction

Transverse testing

Perpendicular to the rolling direction

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Sampling locations : longitudinal testing

Charpy V notch specimen

Full thickness specimen

CTOD

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Sampling locations : Transverse testing

Charpy V notch specimen

Full thickness specimen

CTOD

MacroBendTensile

tf

tf

FL+2 WMFLFL+5

WMFLICHAZ

Rol

ling

dire

ctio

n

WM

FL

FL+2

FL+5

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Test results after welding

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Macrography examinations

Weld process : SAWHeat input :50kJ/cmLongitudinal testing

Weld process : SAWHeat input : 35kJ/cmLongitudinal testing

Weld process : FCAWHeat input : 7kJ/cmLongitudinal testing

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Macrography examinations

Weld process : SAWHeat input :50kJ/cmTransverse testing

Weld process : SAWHeat input : 35kJ/cmTransverse testing

Weld process : FCAWHeat input : 7kJ/cmTransverse testing

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Hardness results

FCAW - 7 kJ/cm –Longitudinal Testing

Distance to Fusion Line

228232225216238251224zone 4

230230229218260271236zone 3

194191193208243211260zone 2

244245229206226234274zone 1

54321ISLM

Zone 1Zone 2

Zone 3 Zone 4

7kJ/cm : Hardness ≤ 350 HV10 35 and 50kJ/cm : Hardness ≤ 325 HV10

SAW- 35kJ/cm- Longitudinal testing

Distance to Fusion Line

229217196203202202200223zone 4

238236230190199219208216zone 3

228179174200202199203205zone 2

247244233190186212209204zone 1

654321ISLF1

SAW- 50kJ/cm- Longitudinal testing

Distance to Fusion Line

227223220198194201200210zone 4

225225194196207204209210zone 3

217208173179192198198203zone 2

224204183189207216207209zone 1

654321ISLF2

s

I1

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Hardness results

FCAW - 7 kJ/cm –Transverse Testing

Distance to Fusion Line

236239237219253246227zone 4

226227230206242253231zone 3

234235207209279216281zone 2

211209210196259275252zone 1

54321ISQM

7kJ/cm : Hardness ≤ 350 HV10 35 and 50kJ/cm : Hardness ≤ 325 HV10

SAW- 35kJ/cm- Transverse testing

Distance to Fusion Line

229227209208207209220199zone 4

219212214189193202204204zone 3

234181181205214204212212zone 2

190191189174178208212201zone 1

654321ISQF1

SAW- 50kJ/cm-Transverse testing

Distance to Fusion Line

238239228208213214213213zone 4

218213201190200207209214zone 3

222215178191201211209214zone 2

196183172181187205205212zone 1

654321ISQF2

Zone 1Zone 2

Zone 3 Zone 4

s

I1

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CTOD Test results

WM CGHAZ ICHAZ

Welding ProcessFCAW

Heat input : 7kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Longitudinal testing

WM CGHAZ ICHAZ

Welding ProcessSAW

Heat input : 35kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Longitudinal testing

WM CGHAZ ICHAZ

Welding ProcessSAW

Heat input : 50kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Longitudinal testing

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CTOD Test results

WM CGHAZ ICHAZ

Welding ProcessFCAW

Heat input : 7kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Transversal testing

WM CGHAZ ICHAZ

Welding ProcessSAW

Heat input : 35kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Transversal testing

WM CGHAZ ICHAZ

Welding ProcessSAW

Heat input : 50kJ/cm

CTO

D [m

m]

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Transversal testing

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Cross Weld Tensile results

Transverse testing

100

200

300

400

500

600

Rm [Mpa]

FCAWE = 7kJ/cm

SAWE = 35kJ/cm

SAWE = 50kJ/cm

EN10225 460MPa

1 2 1 2 1 2100

200

300

400

500

600

1 2 1 2 1 2

Rm [Mpa]

FCAWE = 7kJ/cm

SAWE = 35kJ/cm

SAWE = 50kJ/cm

EN10225 460MPa

Longitudinal testing

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Charpy V Notch results

24322412015720620517120923019122665Mean

219244265

206236231

11121931

178191103

228196195

158210247

170180164

193214219

242247201

210199165

234206238

697057

Indroot

19814110813214324117819816117317078Mean

189243163

20048175

11711789

18562149

18714992

242242239

155210169

201184209

206177101

212183123

139200170

886877

IndMid

24023115917919420214915719322520479Mean

236271214

221236237

118179181

179177181

220118245

165217224

21149188

163162146

130227223

229225222

202202208

818075

IndCap

Longitudinal TestingTransverse testing

75

5310668

87

11739105

146

156144139

LF+5

112

11612099

172

189159167

171

209148154

FL+2

148

20717661

185

188188180

130

153128109

LF

230

221234234

194

198198185

205

200216198

W

SAW - 35kJ/cm

179

165156215

64

1272738

188

173219171

FL+2

Mean

Ind

Mean

Ind

Mean

Ind

12413811514512810954

16411196

18115380

16382100

161115160

115136133

4020581

486152

root

7277765449113107

846170

975183

837173

447147

592762

9015397

70145105

Mid

15713813315711417169

147155168

63174177

89168143

151160159

9714798

160185167

845667

Cap

LF+5LFWLF+5FL+2LFW

SAW - 50kJ/cmFCAW - 7kJ/cm