Specifications
Brand Name :
OEM/ODM
Model Number :
ASTM A 572
Certification :
ISO
Place of Origin :
CHINA
MOQ :
3 tons
Price :
negotiable based on the quantity
Payment Terms :
T/T, Western Union, L/C
Supply Ability :
3000 tons per month
Delivery Time :
within 15 days after received the advance
Packaging Details :
standard seaport packing or as customers' requirement
Standard :
ASTM GB JIS DIN
Grade :
Q345
Shape :
Square
OD :
30*30mm-1000*1000mm
Surface :
Galvanized, Oiled, black painted
Application :
Construction Structure
Tolerance :
±5%
Length :
6-12m
Description

Grade 10#-Black Carbon Steel Square Pipe Welded Steel Pipe

Q345 grade: comprehensive mechanical performance is good, the low temperature performance may also, plasticity and good weldability, used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, Bridges under moving load of the structure, mechanical parts, building structure, general metal parts, hot rolled or normalizing state, can be used in various structure below 40 ℃ cold areas.
(1). Widely used in Bridges, vehicles, ships, construction, pressure vessels and so on. (2). Suitable for hot rolling, controlled rolling, normalizing, normalizing, tempering and quenching state supply of engineering steel and general structure with thickness not less than 3mm steel plate, steel strip, section steel, steel bar.

ASTM-572 Grade 50
Chemical composition: C=0.45%, Mn=0.75%, P=0.04% max, S=0.05% max
Property Value in metric unit Value in US unit
Density 7.872 *10³ kg/m³ 491.4 lb/ft³
Modulus of elasticity 201 GPa 29100 ksi
Thermal expansion (20 ºC) 11.7*10-6 ºCˉ¹ 6.5*10-6 in/(in* ºF)
Specific heat capacity 486 J/(kg*K) 0.116 BTU/(lb*ºF)
Thermal conductivity 50.9 W/(m*K) 353 BTU*in/(hr*ft²*ºF)
Electric resistivity 1.62*10-7 Ohm*m 1.62*10-5 Ohm*cm
Tensile strength (hot rolled) 565 MPa 81900 psi
Yield strength (hot rolled) 310 MPa 45000 psi
Elongation (hot rolled) 16 % 16 %
Hardness (hot rolled) 84 RB 84 RB
Tensile strength (cold drawn) 625 MPa 90600 psi
Yield strength (cold drawn) 530 MPa 76900 psi
Elongation (cold drawn) 12 % 12 %
Hardness (cold drawn) 88 RB 88 RB
Product show
ERW Q345 25mm Mild Steel Square Tube 1 Inch X 1 Inch 2 In X 20 Ft 0.875
Packing and deliverary
ERW Q345 25mm Mild Steel Square Tube 1 Inch X 1 Inch 2 In X 20 Ft 0.875
If you have any question, please feel free to contact us any time.

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ERW Q345 25mm Mild Steel Square Tube 1 Inch X 1 Inch 2 In X 20 Ft 0.875" X 0.065" SS400

Ask Latest Price
Brand Name :
OEM/ODM
Model Number :
ASTM A 572
Certification :
ISO
Place of Origin :
CHINA
MOQ :
3 tons
Price :
negotiable based on the quantity
Contact Supplier
ERW Q345 25mm Mild Steel Square Tube 1 Inch X 1 Inch 2 In X 20 Ft 0.875 X 0.065 SS400
ERW Q345 25mm Mild Steel Square Tube 1 Inch X 1 Inch 2 In X 20 Ft 0.875 X 0.065 SS400

Wuxi ShiLong Steel Co.,Ltd.

Verified Supplier
4 Years
jiangsu, wuxi
Since 2010
Business Type :
Agent, Exporter, Trading Company, Seller
Total Annual :
20 million-35 million
Employee Number :
100~150
Certification Level :
Verified Supplier
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