Seamless Steel Pipe and Tubes - Sunny Steel

We can makes and markets cold-drawn and hot rolled seamless steel pipes and cold-drawn special-section seamless pipes which are widely applied in the industries of petrochemical, boiler, automobile, mechanical, construction, chain, electric of the company is 80000t. Our factories through ISO9001:2000 certificate, has aggressive leadships and outstanding professionals.
Specifications:
Size: (Φ6 - Φ680) x (0.5 - 87) mm, but we can also produce other specification according to the customers’ requirements.


Standards: Product Name Standard

American 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-A179
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-A519

Japanese Standard
1.Alloy steel for mechanical tubing JIS G3441
2.Carbon steel for structural tubing JIS G3444
3.Carbon steel for mechanical tubing JIS G3445
4.Carbon steel for pressure tubing JIS G3454
5.Carbon steel boiler and heat-exchanger tube JIS G3461
6.Steel tube for important application JIS G3475
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 tubes for jar-shaped service JIS G3473
11.Steel tube for common service JIS G3459
12.Steel heat-exchanger tube for low temperature service JIS G3464
13.Steel for mechanical and structural tubing JIS G3446

British Standard
1.Seamless steel tube for mechanical and structural service BS 6323-8
2.Steel boile and super heater tube BS 3059
3.Seamless steel tube for common service BS 7191
4.Low carbon steel tube BS 1717
5.Seamless steel tube for cold process purposes 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 DIN2393
4.Seamless steel tube for special service DIN1629
5.Steel tube for liquid service DIN EN 10208