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Table 14 Hardness of the welds

From: Evaluation of applicability of thick E500 TMCP and F500W QT steel plates for Arctic service

Steel grade and plate thickness

Welding process

Line

Hardness, HV5

Base metal

HAZ

Fusion line

Welded metal

E500, 25 mm

MMA

1

255, 254, 250

255, 227, 244, 234, 231, 251

309, 348, 317, 279, 279, 293

271, 268, 276

2

207, 198, 210

268, 273, 254, 233, 247, 238

317, 292, 305, 292, 301, 315

309, 303, 283

3

213, 218, 211

217, 231, 240, 216, 214, 210

276, 274, 268, 258, 260, 245

273, 254, 271

FCAW

1

201, 193, 198

219, 219, 214, 189, 201, 204

214, 211, 219, 203, 210, 205

204, 207, 197

2

193, 189, 182

227, 227, 227, 191, 197, 202

255, 265, 273, 264, 261, 257

271, 274, 273

3

202, 204, 195

214, 210, 221, 218, 216, 217

210, 212, 206, 214, 202, 210

205, 208, 204

SAW

1

207, 214, 202

225, 224, 225, 244, 236, 244

293, 297, 299, 305, 307, 297

295, 290, 301

2

198, 199, 195

228, 211, 245, 248, 240, 212

261, 273, 271, 271, 251, 258

284, 288, 265

3

206, 207, 210

274, 284, 254, 255, 278, 290

303, 311, 290, 286, 251, 271

313, 301, 303

 

Hardness, HV10

F500W, 35 mm

MIG/MAG

1

210, 229, 211, 210

264, 248, 249, 201, 261, 261

202, 202, 210

2

190, 192, 220, 202

239, 226, 256, 227, 263, 233

214, 225, 225

3

199, 203, 205, 198

236, 242, 227, 271, 284, 273

203, 209, 212

SAW

1

189, 201, 206, 209

237, 242, 224, 251, 265, 237

209, 210, 218

2

196, 199, 191, 198

207, 211, 206, 228, 229, 212

229, 218, 215

3

194, 200, 189, 200

229, 232, 228, 237, 238, 245

206, 205, 211