Loading Port:Tianjin Port
Payment Terms:TT or L/C
Min Order Qty:50MT m.t.
Supply Capability:based on order m.t./month
1.Specification of Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
1) Application: Widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
2) Standard: ASTM A500, GB6728
3) Steel grade: ASTM A500: A, B, C; GB6728:Q195,Q215,Q235,Q345
2. Size of Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
Size(mm) |
Thickness(mm) |
20×10 |
0.6-1.0 |
25×12 |
0.6-1.0 |
38×19 |
0.6-1.5 |
50×25 |
0.6-1.5 |
50×30 |
1.6-3.0 |
60×40 |
1.5-3.5 |
75×50 |
1.5-4.0 |
80×40 |
1.5-4.0 |
100×50 |
2.0-6.0 |
100×60 |
2.0-6.0 |
100×75 |
2.0-6.0 |
120×60 |
3.0-6.0 |
120×80 |
3.0-6.0 |
125×50 |
3.0-6.0 |
125×75 |
3.0-6.0 |
150×50 |
3.0-6.0 |
150×75 |
3.0-6.0 |
150×100 |
4.0-12 |
160×80 |
4.0-6.0 |
175×100 |
4.0-12 |
200×100 |
4.0-12 |
200×150 |
4.0-12 |
250×150 |
5.0-12 |
300×200 |
5.0-12 |
400×200 |
5.0-12 |
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
3. Packing& Delivery
Packing Detail: Each in a PVC bag, bundle with knitted plastic bag, wooden case or according to customers' request
Delivery Time: 20-30 days upon receving prepayment or L/C
4. Data Sheet
Standard: ASTM A500
Chemical Requirement | ||||
Composition % | ||||
Grade A |
Grade B | |||
Element |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Carbon max |
0.26 |
0.3 |
0.22 |
0.26 |
Manganese max |
… |
… |
1.4 |
1.45 |
Phosphorus, max |
0.035 |
0.045 |
0.03 |
0.04 |
Sulfur max |
0.035 |
0.045 |
0.02 |
0.03 |
Copper, when copper steel is specified, min |
0.20 |
0.18 |
0.2 |
0.18 |
Where an ellipsis (...)appears in this table, there is no requirement | ||||
For each reduction of 0.01 percentage point below the specified maximum for carton, and increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.6% by product analysis |
Tensile Requirement | ||
|
Grade A |
Grade B |
Tensile strength, min, psi (Mpa) |
48000 (400) |
70000 (483) |
Yield strength, min, psi (Mpa) |
36000 (250) |
50000 (345) |
Elongation in 2 in. (50.8mm), min, % |
23 |
23 |
GB6728
Steel Grade |
Chemical Composition |
Mechanical Properties | ||||||
|
C (%) |
Si (%) |
Mn (%) |
P(%) Max |
S (%)Max |
YS(Mpa)Min |
TS(Mpa)Min |
El (%)Min |
Q195 |
0.06-0.012 |
0.3 |
0.25-0.5 |
0.45 |
0.5 |
195 |
315 |
22 |
Q215 |
0.09-0.15 |
0.3 |
0.25-0.55 |
0.45 |
0.5 |
215 |
335 |
22 |
Q235 |
0.12-0.22 |
0.3 |
0.3-0.7 |
0.45 |
0.45 |
235 |
375 |
20 |
Q345 |
0.20 |
0.55 |
1.0-1.6 |
0.45 |
0.45 |
345 |
510 |
21 |
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