US $650.001 - 300 ton
US $600.00301 - 1,000 ton
Standard ASTM A500, EN10210, JIS G3466, GB/T3094-2000
Packging & Delivery
Min Order1 ton
topsino steel pipe Product Description
Mechnical property for Q345D low alloy structural steel:
|Q345D||≤ 16||> 16 ≤ 35||> 35 ≤ 50||>50|
|Yield strength (≥Mpa)||345||325||295||275|
|Tensile strength (Mpa)||470-630|
Chemical composition for Q345D low alloy structural steel (Heat Analysis Max%)
|Main chemical elements composition of Q345D|
Q345D square hollow section steel tube
Section shape: square,rectangular
Outer diameter: 20mm*20mm-400mm*400mm,15*20mm-400*600mm
ASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etc
Q195, Q235, Q345(B,C,D,E); ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.
Plain ends, cutting etc
2. PVC,black and color painting
3. Transparent oil,anti-rust oil
4. According to clients requirement
3. Plastic bags ,etc
1 ton, more quantity price will be lower
T/T, L/C at sight, western union etc.
Within 7-30 days after deposit, ASAP
We can do special orders as customer’s requests.
We also can provide all kinds of steel hollow pipes.
All the production process are made under the ISO9001:2008 strictly
Key words: rectangular steel pipe/square steel pipe/Q345D square hollow section
Rectangular steel tubes are widely used in Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Building material tube, Furniture tube, Low pressure fluid tube etc.
1.One-stop purchasing saving time and cost for customer
2.Customized production and packing for customer
3.Providing one-stop solution for customer with 30 years sales experience
4.Making sure the safety and delivery time of the cargo because of close cooperation between us and major shipping companies
5.Discount according to order quantity
Loading and shipping