• Origin：Tianjin, China
• Trademark：Tianyingtai
• Specification：Od: 16*16-400*400mm, Wt: 1.5-10mm
• Transport Package：Export Package
• Standard：GB,T3091-2001,BS1387-1985,ASTM A53-1996
• HS Code：7306309000
• Production Capacity：300, 000tons,Year

GradeChemical CompositionMechanical PropertiesCMnSiSPYieldTensileElongatiStrength MpaStrenth Mpa-on %Q1950.06-0.120.25-0.50≤0.30≤0.045≤0.05≥195315-430≥33Q2150.09-0.150.25-0.55≤0.30≤0.05≤0.045≥215335-450≥27Q2350.12-0.200.30-0.67≤0.30≤0.045≤0.04≥235375-500≥26Q345≤0.201.00-1.60≤0.55≤0.04≤0.04≥345470-630≥22

3.Product standard test:

Q195 ≈Grade B,SS330 SPHC,S185Q215 ≈Grade C/CS Type B,SS330 SPHCQ235 ≈Grade D,SS400,S235Q345 ≈Grade 50/345,SPFC590,E/S335 

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.

Product Application
 

Field of use and application:

Basic building,Greenhouse construction,High speed fence.Photovoltaic stent,Sports Equipment,ect.