Scope of Certification

JIS Standards - Certification Covered by JQA

Division G : Ferrous Materials and Metallurgy

No. JIS Number JIS Title
10G2311Manganese metal
11G2312Silicon metal
12G2313Chromium metal
13G2314Calcium silicon
18G3101Rolled steels for general structure
19G3103Carbon steel and molybdenum alloy steel plates for boilers and pressure vessels
20G3105Steel bars for chains
21G3106Rolled steels for welded structure
22G3112Steel bars for concrete reinforcement
23G3114Hot-rolled atmospheric corrosion resisting steels for welded structure
24G3117Rerolled steel bars for concrete reinforcement
25G3123Cold finished carbon and alloy steel bars
26G3125Superior atmospheric corrosion resisting rolled steels
27G3131Hot-rolled mild steel plates, sheet and strip
28G3132Hot-rolled carbon steel strip for pipes and tubes
29G3136Rolled steels for building structure
30G3141Cold-reduced carbon steel sheet and strip
31G3214Stainless steel forgings for pressure vessels
32G3302Hot-dip zinc-coated steel sheet and strip
33G3303Tinplate and blackplate
34G3311Cold rolled special steel strip
35G3312Prepainted hot-dip zinc-coated steel sheet and strip
36G3313Electrolytic zinc-coated steel sheet and strip
37G3315Chromium coated tin free steel
38G3317Hot-dip zinc-5 % aluminium alloy-coated steel sheet and strip
39G3318Prepainted hot-dip zinc -- 5 % aluminium alloy-coated steel sheet and strip
40G3321Hot-dip 55% aluminium-zinc alloy-coated steel sheet and strip
41G3322Prepainted hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
42G3350Light gauge steel sections for general structure
43G3353Welded light gauge steel H sections for general structure
44G3441Alloy steel tubes for machine purposes
45G3444Carbon steel tubes for general structure
46G3445Carbon steel tubes for machine structure
47G3446Stainless steel tubes for machine and structural purposes
48G3447Stainless steel sanitary pipes
49G3448Light gauge stainless steel tubes for ordinary piping
50G3452Carbon steel pipes for ordinary piping
51G3454Carbon steel pipes for pressure service
52G3455Carbon steel pipes for high pressure service
53G3456Carbon steel pipes for high temperature service
54G3457Arc welded carbon steel pipes
55G3458Alloy steel pipes
56G3459Stainless steel pipes
57G3460Steel pipes for low temperature service
58G3461Carbon steel boiler and heat exchanger tubes
59G3462Alloy steel tubes for boiler and heat exchanger
60G3463Stainless steel boiler and heat exchanger tubes
61G3464Steel heat exchanger tubes for low temperature service
62G3466Carbon steel square and rectangular tubes for general structure
63G3468Large diameter welded stainless steel pipes
64G3475Carbon steel tubes for building structure
65G3502Piano wire rods
66G3503Wire rods for core wire of covered electrode
67G3505Low carbon steel wire rods
68G3506High carbon steel wire rods
69G3507-1Carbon steels for cold heading -- Part 1: Wire rods
70G3507-2Carbon steels for cold heading -- Part-2: Wires
71G3521Hard drawn steel wires
72G3522Piano wires
73G3525Wire ropes
74G3532Low carbon steel wires
75G3533Barbed wires
76G3536Steel wires and strands for prestressed concrete
77G3537Zinc-coated steel wire strands
78G3542Precoated color zinc-coated steel wires
79G3543Steel wire coated with colored plastics
80G3544Hot-dip aluminium-coated steel wires
81G3546Wire ropes with profile wires
82G3547Zinc-coated low carbon steel wires
83G3548Zinc-coated steel wires
84G3549Wire ropes for structure
85G3551Welded steel wire and bar fabrics
86G3552Chain link wire netting
87G3553Crimped wire cloth
88G3554Hexagonal wire netting
89G3555Woven wire cloth
90G3556Industrial woven wire cloth
91G3557Stainless steel wire ropes for general purposes
92G4051Carbon steels for machine structural use
93G4052Structural steels with specified hardenability bands
94G4053Low-alloyed steels for machine structural use
95G4303Stainless steel bars
96G4304Hot-rolled stainless steel plate, sheet and strip
97G4305Cold-rolled stainless steel plate, sheet and strip
98G4308Stainless steel wire rods
99G4309Stainless steel wires
100G4311Heat-resisting steel bars and wire rods
101G4312Heat-resisting steel plate, sheet and strip
102G4314Stainless steel wires for springs
103G4315Stainless steel wires for cold heading and cold forging
104G4318Cold finished stainless steel bars
105G4401Carbon tool steels
106G4403High speed tool steels
107G4404Alloy tool steels
108G4801Spring steels
109G4804Free-cutting steels
110G4805High carbon chromium bearing steels
111G5101Carbon steel castings
112G5102Steel castings for welded structure
113G5111High tensile strength carbon steel castings and low alloy steel castings for structural purposes
114G5121Corrosion-resistant cast steels for general applications
115G5122Heat-resistant cast steels and alloys for general applications
116G5131High manganese steel castings
117G5151Steel castings for high temperature and high pressure service
118G5152Steel castings for low temperature and high pressure service
119G5201Centrifugally cast steel pipes for welded structure
120G5502Spheroidal graphite iron castings
121G5526Ductile iron pipes

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