RA-02-E

ICS

1. Unless expressly specified otherwise, the requirements in these Rules apply to ships contracted for construction on or after 1 July 2015 and when the application for certification of materials is dated on or after 1 July 2015.

2. The amendments to the Rules for 2014 edition and their effective date are as follows;

Effective Date 1 July 2015

CHAPTER 1 MATERIALS

Section 1 General

- 107. 2. (6) has been newly established.

Section 3 Rolled Steels

- 301. 1. (2) and (3) have been newly established.

- 301. 11. (3) has been newly established.

- 312. has been deleted.

Section 8 Aluminium alloys

- 801. 9. (1) and (2) have been amended.

Effective Date

1 July 2015 (based on the application date for certification of materials and

welding)

CHAPTER 1 MATERIALS

Section 2 Test Specimens and Testing Procedures

- 201. 2. (2) and (3) have been amended.

Section 5 Castings

- 506. 3. has been amended.

CHAPTER 2

WELDING

Section 3 Welding Work and Inspection

- Table 2.2.3 of 303. has been amended.

- 311. has been newly established.

Section 4 Welding Procedure Qualification Tests

- 403. 5. has been amended.

- Table 2.2.4, 2.2.5, 2.2.8 of 404. have been amended.

- 407. 2. (1) (b)(i), (c)(i) have been newly established.

- 408. has been newly established.

Section 5 Welders and Welder Performance Qualification Tests

- Table 2.2.14 of 502. has been amended. Section 6 Welding Consumables

- Table 2.2.19

- Table 2.2.28

- Table 2.2.35

- Table 2.2.46

of 602. has been amended. of 603. has been amended. of 604. has been amended. of 606. has been amended.

- 607. 1. (2) has been newly established.

C O N T E N T S

CHAPTER 1 MATERIALS 1

101.

102.

103.

104.

105.

106.

107.

108.

109.

110.

201.

202.

203.

301.

302.

303.

304.

305.

306.

307.

308.

309.

310.

Application 1

Approval of manufacturing process and manufacturing control 1

Chemical composition 1

Testing and inspection 2

Execution of testing and inspection 2

Identification of materials 2

Test certificates 2

Quality and repair of defects 3

Retest procedures 3

Marking 4

General 5

Form and dimension of test specimen 5

Testing procedure 10

Rolled steels for hull structural 11

Rolled steel plates for boiler 21

Rolled steel plates for pressure vessel 23

Rolled steels for low temperature service 26

Rolled stainless steels 30

Round bars for chain 32

Rolled steel bars for boiler 34

High strength quenched and tempered steels for welded structures 36

Stainless clad steel plates 39

Additional requirements for through thickness properties 41

311. YP47 Steel plates 44

401.

402.

403.

404.

405.

501.

502.

503.

504.

505.

506.

Steel tubes for boilers and heat exchangers 46

Steel pipes for pressure piping 50

Stainless steel pipes 56

Steel pipes for low temperature service 59

Header 62

Steel castings 65

Steel castings for chains 69

Stainless steel castings 71

Steel castings for low temperature service 72

Stainless steel casting for propeller 73

Grey iron castings 75

507. Spheroidal or nodular graphite iron castings 77

601.

602.

603.

604.

701.

702.

Steel forgings 82

Stainless steel forgings 92

Steel forgings for chains 93

Steel forgings for low temperature service 95

Copper and copper alloy pipes and tubes 97

Copper alloy castings 98

801. Aluminium alloys 102

CHAPTER 2 WELDING 109

101.

102.

103.

104.

201.

202.

203.

204.

301.

302.

303.

304.

305.

306.

307.

308.

309.

310.

311.

401.

402.

403.

404.

405.

406.

Application 109

Matters to be approved 109

Special weldings 109

Terms and definitions 109

General 110

Selection of test specimens 110

Size and dimensions of test specimens 110

Mechanical testing procedures 114

Details of joints 115

Welding Practice 116

Application of welding consumables 116

Preparation for Welding 116

Welding sequence and direction of welding 118

Main welding 118

Automatic welding 118

Welding for higher strength steel 118

Quality of welds 119

Repairs 119

Welding works for YP47 steel plates 119

General 120

Welding procedure specification 120

Welding procedure qualification tests(WPQT) 121

Tests for butt welded joints 121

Tests for fillet welded joints 129

Retests and Procedure qualification records(PQR) 130

407.

408.

501.

502.

503.

601.

602.

603.

604.

605.

606.

607.

608.

609.

Validity of qualified welding procedure specification 131

Welding procedure qualification test for YP47 steel plates 134

General 135

Grades, and range of qualification 135

Testing procedure 139

General 145

Electrodes for manual arc welding for normal strength steels, higher strength steels and steels for low temperature service 147

Automatic welding consumables for normal strength steels, higher strength steels and steels for low temperature service 156

Semi-automatic welding consumables for normal strength steels, higher strength steels and steels for low temperature service 166

Electro-slag and electro-gas welding consumables 173

One side welding consumables for normal strength steels, higher strength steels and steels for low temperature service 177

Welding consumables for stainless steel 182

Welding consumables for aluminium alloys 192

Welding consumables for high strength quenched and tempered steels for welded structures 196

CHAPTER 1 MATERIALS