Amercrican Standard

1.       Black and hot-dipped zinc-coated steel tube welded and seamless ASTM-A53

2.       Seamless carbon steel tube for high temperature service ASTM-A106

3.       Seamless low-carbon and carbon molybdenum steel tube

4.       Seamless cold-drawn low-carbon steel heat-exchanger and condenser tube ASTM-A199

5.       Seamless cold-drawn intermediate alloy steel heat-exchanger and condenser tube ASTM-A199

6.       Seamless medium-carbon steel boiler and super heater tube ASTM-A210

7.       Cold-formed welded and seamless carbon steel structural tubing in rounds and shapes ASTM-A500

8.       Seamless carbon and alloy steel for mechanical tubing ASTM-519

 British Standard

1.       Seamless ste9el tube for mechanical and structural service BS6323-8

2.       Steel boile and super heater tube BS 3059

3.       Seamless steel tube for common service BS 7191

4.       Low carbon steel tube BS1717

5.       Seamless steel tube for cold proceses BS 6323-4

 German Standard

1.       Heat-resisting seamless steel tube DIN17175

2.       Cold drawn or cold rolled precision seamless steel tube DIN2391

3.       Seamless steel tube for structural application DIN 2393

4.       Seamless steel tube for special service DIN 1629

5.       Steel tube for liquid service DIN EN 10208

 Japanese Standard

1.       Alloy steel for mechanical tubing JIS G3441

2.       Carbon steel for structural tubing JIS G 3444

3.       Carbon steel for mechanical tubing JIS G 3445

4.       Carbon steel for pressure tubing JIS G 3454

5.       Carbon steel boiler and heat-exchanger tube JIS G3461

6.       Steel tube for important application JIS G3465

7.       Steel tube for iron tower JIS G3474

8.       Seamless steel tube for drilling purposes JIS G3465

9.       Steel tube for heating boilers JIS G3467

10.   Carbon steel tube for jar-shaped service JIS G3473

11.   Steel tube for common service JIS G3464

12.   Steel heat-exchanger tube for low temperature service JIS G3464

DIN Flanges	a53 b erw steel pipe
ERW Steel Pipe	welded spiral steel pipe
q345 spiral steel pipe	API 5L Seamless steel pipe
16Mn seamless steel pipe