Hollow Structural Sections , Hot Dipped Steel Circular Hollow
Widely used as pipelind of industrial and civilian water, air,
petroleum, natural gas, communication
and so on; also used in construction and hardware.
BS 1387-1985, DIN 2444, ASTM A53, GB/T 3091-2001 as well as other
standards according to
3.5m-12m, or fixed length 5.8m or as the customer’s requirement.
ASTM A53, ASTM A106, API 5L, DIN 17175,
GOST8731/8732, G3457/G3452 etc.
Q235B, 10#,20#,45#, 16Mn, 15MnV.
A53B, A106B, API5L B, A192, A179C, A213-T12, A213-T22,
A335-P1, A335-P2, A333
ST37, ST33, ST37-2, ST35.8 ST52 etc.
Rust remove, black painting, antirust oil, varnish, 3PE,
hot-dip galvanized etc.
By bundles, plastic caps or steel caps, woven,
wooden cases or as requirement.
Uniform zinc layer, High strength and anti-corrosion, low
resistance carrying, no fouling, good
mechanical property, long service life.
1. Our products’ raw material is high quality hot dipped zinc
galvanized steel strip, absolute fireproof
and heat insulation, waterproof and anti-rust, anti-corrosive ,
2. Hot dipped zinc galvanized steel strip zinc coating is
3. Double sized galvanization volume make sure that the plaster
bone is corrupt and rust resistance.
4. Warm sales in Middle East, Africa , Australia, Malaysia ,and
America , which have enjoyed an excellent
reputation with high quality and services.
5. Manufacture the special specification products for customers
6. High quality raw material guarantees the light steel keel of
life and good performance of construction.
7. Possess own ten precision cold rolled steel strip production