JIS G3469 Polyethylene Coated Steel Pipes

1. Scope
This Japanese Industrial Standard specifies the external polyethylene coated steel pipes, mainly used for underground services transporting gas, oil, water, etc.

The Standard cited in this Standard are as follows.
JIS B 2311 Steel Butt-Welding Pipe Fittings for Ordinary Use
JIS B 2312 Steel Butt-Welding Pipe Fittings
JIS B 2313 Steel Plate Butt-Welding Pipe Fittings.
JIS C 2110 Testing Methods for Electric Strength of solid Insulating Materials
JIS G 0303 General Rules for Inspection of Steel
JIS G 3451 Fittings of Coated Steel Pipe for Water Service
JIS G 3452 Carbon Steel Pipes for Ordinary Piping
JIS G 3452 Carbon Steel Pipe for Pressure Service
JIS G 3457 Arc Welded Carbon Steel Pipes.
JIS K 2207 Petroleum Asphalts
JIS K 2235 Petroleum Waxes
JIS K 6760 Testing Method for Polyethylene
JIS K 7206 Testing Method for Vicat Softening Temperature of Thermoplastics
JIS K 7209 Testing Method for water and Boiling Water Absorption of Plastics
JIS K 7215 Testing Method for Durometer Hardness of Plastics

2. Classification
The coated steel pipes shall be classified into 3 classes, P1H, P2S, P1H.

3. Material
3.1 The original pipes to be used for the coated steel pipes shall be in accordence with below.
For Straight Pipes, Nominal diameter 15 to 2000, JIS G 3452, JIS G 3454, JIS G 3457.
For Deformed pipes, Nominal diamter 15 to 2000, JIS B 2311, JIS B 2312, JIS B 2313, JIS B 3451
3.2 Shape of both ends of original pipes
Nominal diameter   Pipe-end shapes
150 and under        Plain, bevel, threaded or flanged end
over 150                  Plain, bevel or flanged end

4. Other information in details, please check JIS G3469.