Specification
Product Chemical Composition & Mechanical Properties :
|
Grade
|
Chemical Composition
|
Mechanical Properties
|
||||||
|
C
|
Mn
|
SI
|
S
|
P
|
Yield
|
Tensile
|
Elongati
|
|
|
Strength Mpa
|
Strenth Mpa
|
-on %
|
||||||
|
Q195
|
0.06-0.12
|
0.25-0.50
|
≤0.30
|
≤0.045
|
≤0.05
|
≥195
|
315-430
|
≥33
|
|
Q215
|
0.09-0.15
|
0.25-0.55
|
≤0.30
|
≤0.05
|
≤0.045
|
≥217
|
335-450
|
≥27
|
|
Q235
|
0.12-0.20
|
0.30-0.67
|
≤0.30
|
≤0.045
|
≤0.04
|
≥235
|
375-500
|
≥26
|
|
Q345
|
≤0.20
|
1.00-1.60
|
≤0.55
|
≤0.04
|
≤0.04
|
≥345
|
470-630
|
≥22
|
Specification
All items of our products and related tests as follow :
1.ERW black round pipe (ASTM A53,GB..) 2.Weld black square/rectangular pipe(ASTM A500,GB,...) 3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...) 4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...) 5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe. 6.Spiral steel pipe 7.Seamless pipe (ASTM A53,A106B,) 8.Oval pipe in galvanized and black surface 9.LTZ... special sizes pipe 10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material 11.Steel angle, Flat bar,round bar,sqaure bar, 12.H,I,U,C,T,Y,W...steel beam/channel 13.Deformed steel bar 14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.
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