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
25G3136Rolled steels for building structure
26G3141Cold-reduced carbon steel sheet and strip
27G3214Stainless steel forgings for pressure vessels
28G3302Hot-dip zinc-coated steel sheet and strip
29G3303Tinplate and blackplate
30G3311Cold rolled special steel strip
31G3312Prepainted hot-dip zinc-coated steel sheet and strip
32G3313Electrolytic zinc-coated steel sheet and strip
33G3317Hot-dip zinc-5 % aluminium alloy-coated steel sheet and strip
34G3318Prepainted hot-dip zinc -- 5 % aluminium alloy-coated steel sheet and strip
35G3321Hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
36G3322Prepainted hot-dip 55 % aluminium -- zinc alloy-coated steel sheet and strip
37G3350Light gauge steel sections for general structure
38G3353Welded light gauge steel H sections for general structure
39G3441Alloy steel tubes for machine purposes
40G3444Carbon steel tubes for general structure
41G3445Carbon steel tubes for machine structure
42G3446Stainless steel tubes for machine and structural purposes
43G3447Stainless steel sanitary pipes
44G3448Light gauge stainless steel tubes for ordinary piping
45G3452Carbon steel pipes for ordinary piping
46G3454Carbon steel pipes for pressure service
47G3455Carbon steel pipes for high pressure service
48G3456Carbon steel pipes for high temperature service
49G3457Arc welded carbon steel pipes
50G3458Alloy steel pipes
51G3459Stainless steel pipes
52G3460Steel pipes for low temperature service
53G3461Carbon steel tubes for boiler and heat exchanger
54G3462Alloy steel tubes for boiler and heat exchanger
55G3463Stainless steel tubes for boiler and heat exchanger
56G3464Steel heat exchanger tubes for low temperature service
57G3466Carbon steel square and rectangular tubes for general structure
58G3468Large diameter welded stainless steel pipes
59G3475Carbon steel tubes for building structure
60G3502Piano wire rods
61G3503Wire rods for core wire of covered electrode
62G3505Low carbon steel wire rods
63G3506High carbon steel wire rods
64G3507-1Carbon steels for cold heading -- Part 1: Wire rods
65G3507-2Carbon steels for cold heading -- Part-2: Wires
66G3521Hard drawn steel wires
67G3522Piano wires
68G3525Wire ropes
69G3532Low carbon steel wires
70G3533Barbed wires
71G3536Steel wires and strands for prestressed concrete
72G3537Zinc-coated steel wire strands
73G3542Precoated color zinc-coated steel wires
74G3543Steel wire coated with colored plastics
75G3544Hot-dip aluminium-coated steel wires
76G3546Wire ropes with profile wires
77G3547Zinc-coated low carbon steel wires
78G3548Zinc-coated steel wires
79G3551Welded steel wire and bar fabrics
80G3552Chain link wire netting
81G3555Woven wire cloth
82G3556Industrial woven wire cloth
83G3557Stainless steel wire ropes for general purposes
84G4051Carbon steels for machine structural use
85G4052Structural steels with specified hardenability bands
86G4053Low-alloyed steels for machine structural use
87G4303Stainless steel bars
88G4304Hot-rolled stainless steel plate, sheet and strip
89G4305Cold-rolled stainless steel plate, sheet and strip
90G4308Stainless steel wire rods
91G4309Stainless steel wires
92G4311Heat-resistant steel bars and wire rods
93G4312Heat-resistant steel plate, sheet and strip
94G4313Cold rolled stainless steel strip for springs
95G4314Stainless steel wires for springs
96G4315Stainless steel wires for cold heading and cold forging
97G4318Cold finished stainless steel bars
98G4401Carbon tool steels
99G4801Spring steels
100G4804Free-cutting steels
101G4805High carbon chromium bearing steels
102G5101Carbon steel castings
103G5102Steel castings for welded structure
104G5111High tensile strength carbon steel castings and low alloy steel castings for structural purposes
105G5121Corrosion-resistant cast steels for general applications
106G5122Heat-resistant cast steels and alloys for general applications
107G5131High manganese steel castings
108G5151Steel castings for high temperature and high pressure service
109G5152Steel castings for low temperature and high pressure service
110G5201Centrifugally cast steel pipes for welded structure
111G5501Grey iron castings
112G5502Spheroidal graphite cast irons