| 1.Certification of welders |
Classification |
Certification standard |
Numbers |
| Arc welding |
JIS Z 3801,
WES 8201 |
87,980 |
| Semi-automatic welding |
JIS Z 3841,
WES 8241 |
88,436 |
| Stainless steel welding |
JIS Z 3821,
WES 8221 |
46,981 |
| Titanium welding |
JIS Z 3805,
WES 8205 |
661 |
| Plastic welding |
JIS Z 3831,
WES 8231 |
682 |
| Silver alloy brazing |
JIS Z 3891,
WES 8291 |
1,152 |
| (as of April 2011) |
| 2.Certification of welding coordination personnel |
Classification |
Certification standard |
Numbers |
| Senior welding engineer |
JIS Z 3410 /
ISO 14731,
WES 8103 |
1,437 |
| Welding engineer |
6,943 |
| Associate welding engineer |
23,597 |
| Welding practitioner |
WES 8107 |
1,213 |
| (as of March 2012) |
| 3.Certification of robot operator for steel framed building welding |
Classification |
Certification standard |
Numbers |
| Multi-articular robot |
WES 8110, 8111 |
753 |
| Portable robot |
49 |
| (as of February 2012) |
| 4. Certification of micro-soldering (MS) specialists |
Classification |
Certification standard |
Numbers |
| MS engineer |
WES 8109 |
666 |
| MS instructor |
1,050 |
| MS inspector |
704 |
| MS operator of 1st class |
JIS Z 3851 |
2,060 |
| MS operator of 2nd class |
558 |
| (as of March 2011) |
| 5. Certification of technical grade of corporations for non-destructive inspection and inspection personnel |
Technical grade of corporation |
Certification standard |
Numbers |
| Grade A |
WES 8701 |
16 |
| Grade B |
8 |
| Grade C |
31 |
| Grade D |
71 |
| Grade E |
126 |
| Classification of engineer |
Certification standard |
Certified numbers |
| Inspection coordination personnel |
WES 8701 |
487 |
| Senior inspector |
1,581 |
| Inspector |
2,058 |
| (as of April 2012) |
| 6. Certification of products |
Classification of enterprise |
Certification standard |
Certified numbers |
| a) Steel products |
| Weldable high strength steel plates |
WES 3001 |
68 |
| Evaluation criterion of rolled steels for low temperature application |
WES 3003 |
72 |
| Supplementary requirements High strength steel plates with low susceptibility to cold cracking |
WES 3009 |
21 |
| (as of April 2012) |
| b) Certification of welding and cutting equipment |
| Manual blowpipes for cutting |
JIS B6801,
JIS B6805 |
51 |
| Manual blowpipes for welding |
4 |
| Pressure regulator for welding, cutting and allied processes |
JIS B6803,
JIS B6805 |
122 |
| (as of April 2012) |
| 7. Certification of welders and welding procedures in accordance with law |
Classification |
Law and standard |
Certified numbers |
| Certification of welders |
Electric business law,
WES 8207 |
1,416
(new) |
6,856
(renewal) |
Regulatory law of nuclear reactors and radioactive wastes,
WES 8302 |
136 |
| Certification of welding procedures |
Electric business law,
WES 8217 |
173 |
Regulatory law of nuclear reactors and radioactive wastes,
WES 8312 |
53 |
| Certification of suitability of new welding technology |
Electric business law |
1 |
| (as of February 2012) |
| 8. Certification of international welding engineers |
Classification |
Diploma earned engineers |
| IWE(International welding engineer) |
947 |
| IWT(International welding technologist) |
420 |
| IWS(International welding specialist) |
579 |
| IWP(International welding practitioner) |
316 |
| IWIP(International welding inspection personnel) |
122 |
| (as of March 2012) |
