Scope of Certification

JIS Standards - Certification Covered by JQA

Division G : Ferrous Materials and Metallurgy

No.JIS NumberJIS 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
20G3106Rolled steels for welded structure
21G3112Steel bars for concrete reinforcement
22G3117Rerolled steel bars for concrete reinforcement
23G3123Cold finished carbon and alloy steel bars
24G3131Hot-rolled mild steel plates, sheet and strip
25G3132Hot-rolled carbon steel strip for pipes and tubes
26G3136Rolled steels for building structure
27G3141Cold-reduced carbon steel sheet and strip
28G3214Stainless steel forgings for pressure vessels
29G3302Hot-dip zinc-coated steel sheet and strip
30G3303Tinplate and blackplate
31G3311Cold rolled special steel strip
32G3312Prepainted hot-dip zinc-coated steel sheet and strip
33G3313Electrolytic zinc-coated steel sheet and strip
34G3317Hot-dip zinc-5 % aluminium alloy-coated steel sheet and strip
35G3318Prepainted hot-dip zinc -- 5 % aluminium alloy-coated steel sheet and strip
36G3321Hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
37G3322Prepainted hot-dip 55 % aluminium -- zinc alloy-coated steel sheet and strip
38G3350Light gauge steel sections for general structure
39G3353Welded light gauge steel H sections for general structure
40G3441Alloy steel tubes for machine purposes
41G3444Carbon steel tubes for general structure
42G3445Carbon steel tubes for machine structure
43G3446Stainless steel tubes for machine and structural purposes
44G3447Stainless steel sanitary pipes
45G3448Light gauge stainless steel tubes for ordinary piping
46G3452Carbon steel pipes for ordinary piping
47G3454Carbon steel pipes for pressure service
48G3455Carbon steel pipes for high pressure service
49G3456Carbon steel pipes for high temperature service
50G3457Arc welded carbon steel pipes
51G3458Alloy steel pipes
52G3459Stainless steel pipes
53G3460Steel pipes for low temperature service
54G3461Carbon steel tubes for boiler and heat exchanger
55G3462Alloy steel tubes for boiler and heat exchanger
56G3463Stainless steel tubes for boiler and heat exchanger
57G3464Steel heat exchanger tubes for low temperature service
58G3466Carbon steel square and rectangular tubes for general structure
59G3468Large diameter welded stainless steel pipes
60G3475Carbon steel tubes for building structure
61G3502Piano wire rods
62G3503Wire rods for core wire of covered electrode
63G3505Low carbon steel wire rods
64G3506High carbon steel wire rods
65G3507-1Carbon steels for cold heading -- Part 1: Wire rods
66G3507-2Carbon steels for cold heading -- Part-2: Wires
67G3521Hard drawn steel wires
68G3522Piano wires
69G3525Wire ropes
70G3532Low carbon steel wires
71G3533Barbed wires
72G3536Steel wires and strands for prestressed concrete
73G3537Zinc-coated steel wire strands
74G3542Precoated color zinc-coated steel wires
75G3543Steel wire coated with colored plastics
76G3544Hot-dip aluminium-coated steel wires
77G3546Wire ropes with profile wires
78G3547Zinc-coated low carbon steel wires
79G3548Zinc-coated steel wires
80G3551Welded steel wire and bar fabrics
81G3552Chain link wire netting
82G3555Woven wire cloth
83G3556Industrial woven wire cloth
84G3557Stainless steel wire ropes for general purposes
85G4051Carbon steels for machine structural use
86G4052Structural steels with specified hardenability bands
87G4053Low-alloyed steels for machine structural use
88G4303Stainless steel bars
89G4304Hot-rolled stainless steel plate, sheet and strip
90G4305Cold-rolled stainless steel plate, sheet and strip
91G4308Stainless steel wire rods
92G4309Stainless steel wires
93G4311Heat-resistant steel bars and wire rods
94G4312Heat-resistant steel plate, sheet and strip
95G4313Cold rolled stainless steel strip for springs
96G4314Stainless steel wires for springs
97G4315Stainless steel wires for cold heading and cold forging
98G4318Cold finished stainless steel bars
99G4401Carbon tool steels
100G4801Spring steels
101G4804Free-cutting steels
102G4805High carbon chromium bearing steels
103G5101Carbon steel castings
104G5102Steel castings for welded structure
105G5111High tensile strength carbon steel castings and low alloy steel castings for structural purposes
106G5121Corrosion-resistant cast steels for general applications
107G5122Heat-resistant cast steels and alloys for general applications
108G5131High manganese steel castings
109G5151Steel castings for high temperature and high pressure service
110G5152Steel castings for low temperature and high pressure service
111G5201Centrifugally cast steel pipes for welded structure
112G5501Grey iron castings
113G5502Spheroidal graphite cast irons