20 - 40,000 metric ton
40,001 - 999,999 metric ton
group nameTYT STEEL SCAFFOLDING
Min Order20 metric ton
brand nameTYTSTEEL
payment methodT/T, L/C, D/P D/A, MoneyGram, Credit Card, Westem Union, Escrow
update timeTue, 22 Apr 2014 13:57:07 GMT
Standard BS, GB, ASTM
Standard BS 1387, BS 1139, BS 4568, BS EN 39, GB/T 3091-2001, ASTM A53-2007
Grade 16Mn, ST35-ST52, Q195-Q345
Grade 16Mn, St37, St52, St42, Q235, Q345, Q195, Q215
Thickness 0.75 - 8 mm
Section Shape Round
Outer Diameter 21.3 - 273.1 mm
Secondary Or Not Non-secondary
Application fluid pipe/structure pipe/
Technique ERW
Certification ISO9001-2000
Surface Treatment Galvanized
Alloy Or Not Non-alloy
Dimension Standard GB/T3091-2001,BS1387-1985,ASTM 53
Material Standard GB700-88/DIN17100
ZINC STANDARD BS729 or GB/T13912-2002
color offwhite
Usage water,gas,construction,fencing,fire main
Life estimated over 20 years
Outer Diameter 1/2''-10''(21.3mm-273.1mm)
Min Order20 metric ton
Nominal size | Out diameter | Thickness |
inch | mm | mm |
1/2" | 21.3 | 1-2.8 |
3/4" | 26.9 | 1-2.8 |
1" | 33.7 | 1-3.2 |
11/4" | 42.4 | 1-3.5 |
11/2" | 48.3 | 1.5-3.5 |
2" | 60.3 | 1.5-3.5 |
21/2" | 76.1 | 1.5-3.75 |
3" | 88.9 | 4 |
4" | 114.3 | 4 |
5" | 139.7 | 4 |
6" | 168.3 | 4.5 |
8" | 219.1 | 4.0-6.0 |
chemical composition-Q235:
Q235 made by grade A\B\C\D(GB700-88)
Q235A C0.14~0.22% Mn0.30~0.65 Si≤0.30 S≤0.050 P≤0.045
Q235B C0.12~0.20% Mn0.30~0.670 Si≤0.30 S≤0.045 P≤0.045
Q235C C≤0.18% Mn0.35~0.80 Si≤0.30 S≤0.040 P≤0.040
Q235D C≤0.17% Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035
mechanical behavior-Q235:
tensile strength: σb/MPa 375-500
tensil stretch(δ5/%):
>26 (a<16mm), >25 (a>16-40mm)
>24 (a>40-60mm), >23 (a>60-100mm)
>22 (a>100-150mm), >21 (a>150mm)
a=wt or diameter
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