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China factory Astm Steel Profile Ms Square Tube Galvanized Square And Rectangular Steel Pipe in large stock
Grade :Q235 Q345 20# 45#
Standard :ASTM EN GB JIS
Material:：Q195、Q215、Q235、SS400、20# 45# Q345、16Mn、Q390、ST52-3 ect.Surface:Galvanized Coated or customers’ reauirements
Shape:Square. Rectangular.Round
Length:5.8-12m
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Galvanized rectangular pipe Q235B hot dip galvanized square thick wall rectangular tube processing square steel tube
Standard :ASTM JIS GB
Grade:Q235, Q235B, S275,Q355B,Q345B,Q195B
Surface Treatment:galvanized
Tolerance:±1%
Processing Service:Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled:Non-oiled
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Cheap factory sales carbon pipe welded galvanized steel pipes carbon square /rectangular hollow section steel tubes in China
Special Pipe:API Pipe, Other, EMT Pipe, Thick Wall Pipe
Thickness:1 – 120 mm Oiled or Non-oiled:Non-oiled
Standard:ASTM JIS Grade:carbon steel pipe
Length:12M, 6m, Customerized Surface Treatment:galvanized
Processing Service:Bending, Welding, Decoiling, Punching, Cutting
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High Quality Q235 Q345 steel hot dip galvanized coating square tube/rectangular hollow tubular steel pipe
Grade :Q235A Q235B Q345A Q345B
Standard :ASTM JIS GB Material:Q195/Q215/Q235/Q345/#20/#45
Thickness:1.0 – 35 millimeter, Customers’ Demand
Application :Glass curtain wall, power tower, communication network, water and gas transmission, wire casing, house, bridge, metal structure, power transmission, etc
Calculation formula of hot-dip galvanized square pipe:(length + width) *2* thickness *0.00785*1.06= weight per meter
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[Wholesale High quality Section ShapeTreatment GB Standard Q345A Q345B Shaped seamless steel tube
Standard :ASTM JIS GB
Model :Q345A：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；
Q345B：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；
Q345C：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.030，S≤0.030，Al≥0.015；
Q345D：C≤0.18，Mn ≤1.70，Si≤0.50，P≤0.030，S≤0.025，Al≥0.015；
Q345E：C≤0.18，Mn ≤1.70，Si≤0.50，P≤0.025，S≤0.020，Al≥0.015；
Q345A、B、C、D、E均含Nb≤0.07，V≤0.15，Ti≤0.20，Cr≤0.30，N≤0.012，Mo≤0.10
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