Scope of Certification

JIS Standards - Certification Covered by JQA

Division G : Ferrous Materials and Metallurgy

No. JIS Number JIS Title
1G2301Ferromanganese
2G2302Ferrosilicon
3G2303Ferrochromium
4G2304Silicon-Manganese
5G2306Ferrotungsten
6G2307Ferromolybdenum
7G2308Ferrovanadium
8G2309Ferrotitanium
9G2310Ferrophosphorus
10G2311Manganese metal
11G2312Silicon metal
12G2313Chromium metal
13G2314Calcium silicon
14G2315Silicon-Chromium
15G2316Ferronickel
16G2318Ferroboron
17G2319Ferroniobium
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
34G3314Hot-dip aluminium-coated steel sheet and strip
35G3317Hot-dip zinc-5 % aluminium alloy-coated steel sheet and strip
36G3318Prepainted hot-dip zinc-5 % aluminium alloy-coated steel sheet and strip
37G3321Hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
38G3322Prepainted hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
39G3323Hot-dip zinc-aluminium-magnesium alloy-coated steel sheet and strip
40G3350Light gauge steel sections for general structure
41G3353Welded light gauge steel H sections for general structure
42G3441Alloy steel tubes for machine purposes
43G3444Carbon steel tubes for general structure
44G3445Carbon steel tubes for machine structure
45G3446Stainless steel tubes for machine and structural purposes
46G3447Stainless steel sanitary pipes
47G3448Light gauge stainless steel tubes for ordinary piping
48G3452Carbon steel pipes for ordinary piping
49G3454Carbon steel pipes for pressure service
50G3455Carbon steel pipes for high pressure service
51G3456Carbon steel pipes for high temperature service
52G3457Arc welded carbon steel pipes
53G3458Alloy steel pipes
54G3459Stainless steel pipes
55G3460Steel pipes for low temperature service
56G3461Carbon steel tubes for boiler and heat exchanger
57G3462Alloy steel tubes for boiler and heat exchanger
58G3463Stainless steel tubes for boiler and heat exchanger
59G3464Steel heat exchanger tubes for low temperature service
60G3466Carbon steel square and rectangular tubes for general structure
61G3468Large diameter welded stainless steel pipes
62G3475Carbon steel tubes for building structure
63G3502Piano wire rods
64G3503Wire rods for core wire of covered electrode
65G3505Low carbon steel wire rods
66G3506High carbon steel wire rods
67G3507-1Carbon steels for cold heading -- Part 1: Wire rods
68G3507-2Carbon steels for cold heading -- Part-2: Wires
69G3521Hard drawn steel wires
70G3522Piano wires
71G3525Wire ropes
72G3532Low carbon steel wires
73G3533Barbed wires
74G3536Steel wires and strands for prestressed concrete
75G3537Zinc-coated steel wire strands
76G3542Precoated color zinc-coated steel wires
77G3543Steel wire coated with colored plastics
78G3544Hot-dip aluminium-coated steel wires
79G3546Wire ropes with profile wires
80G3547Zinc-coated low carbon steel wires
81G3548Zinc-coated steel wires
82G3551Welded steel wire and bar fabrics
83G3552Chain link wire netting
84G3555Woven wire cloth
85G3556Industrial woven wire cloth
86G3557Stainless steel wire ropes for general purposes
87G4051Carbon steels for machine structural use
88G4052Structural steels with specified hardenability bands
89G4053Low-alloyed steels for machine structural use
90G4303Stainless steel bars
91G4304Hot-rolled stainless steel plate, sheet and strip
92G4305Cold-rolled stainless steel plate, sheet and strip
93G4308Stainless steel wire rods
94G4309Stainless steel wires
95G4311Heat-resistant steel bars and wire rods
96G4312Heat-resistant steel plate, sheet and strip
97G4313Cold rolled stainless steel strip for springs
98G4314Stainless steel wires for springs
99G4315Stainless steel wires for cold heading and cold forging
100G4318Cold finished stainless steel bars
101G4401Carbon tool steels
102G4801Spring steels
103G4804Free-cutting steels
104G4805High carbon chromium bearing steels
105G5101Carbon steel castings
106G5102Steel castings for welded structure
107G5111High tensile strength carbon steel castings and low alloy steel castings for structural purposes
108G5121Corrosion-resistant cast steels for general applications
109G5122Heat-resistant cast steels and alloys for general applications
110G5131High manganese steel castings
111G5151Steel castings for high temperature and high pressure service
112G5152Steel castings for low temperature and high pressure service
113G5201Centrifugally cast steel pipes for welded structure
114G5501Grey iron castings
115G5502Spheroidal graphite cast irons