Arc Welding of Specific Steels and Cast Irons
Arc Welding of Specific Steels and Cast Irons
Arc Welding of Specific Steels and Cast Irons
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<strong>Arc</strong> <strong>Welding</strong> <strong>of</strong> High-Strength Steel<br />
Table 2.2 — Outlines <strong>of</strong> crack sensitivity test methods<br />
Type <strong>of</strong> crack<br />
Butt weld<br />
Type <strong>of</strong> weld<br />
Fillet weld<br />
Cold crack<br />
(1) U-groove weld cracking test<br />
(JIS Z 3157:1993)<br />
(2) y-groove weld cracking test<br />
(JIS Z 3158:1993)<br />
(3) H-type restrained weld cracking test<br />
(JIS Z 3159:1993)<br />
Controlled thermal severity (CTS)<br />
weld cracking test<br />
(JIS Z 3154:1993)<br />
Hot crack FISCO test (JIS Z 3155:1993) T-joint weld cracking test<br />
(JIS Z 3153:1993)<br />
Crack ratio (%)<br />
Root crack<br />
Inner crack<br />
Surface crack<br />
Preheating temperature (℃)<br />
Groove for<br />
test weld<br />
Restraint weld<br />
Fig. 2.4 — y-groove weld cracking test results <strong>of</strong> 80kgf/mm 2 high-strength steel welds<br />
1-12
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