Hollow Section-Rectangle Tubes
- Loading Port:
- Tianjin
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
- Credit Rating
- Credit Services
- Credit Purchasing
Application
It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
Standard:
ASTM A500, GB6728
Steel grade:
ASTM A500: A, B, C
GB6728:Q195,Q215,Q235,Q345
Size of Pipe:
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
Sizee(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 |
Standard: ASTM A500
Chemical Composition(%)
Chemical Requirement | ||||
| Composition % | |||
Grade A | Grade B | |||
Heat | Product | Heat | Product | |
Element | analysis | analysis | analysis | 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 |
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 |
Mechanical Properties
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 |
Chinese Hollow Section-Rectangle Tubes/Hiquality Hollow Section-Rectangle Tubes
manufacturer of Section-Rectangle Tubes
- Q:What material is RHS in the steel tube?
- SHS stands for thin-walled square steel tubes in the structure and represents the self ignition ceramic composite steel tube in the material
- Q:The difference between 12Cr1MoVG alloy steel tube and 15CrMo
- 15CrMo is a steel Pearlite Heat-resistant steel, has high heat resistance at high temperature (b = 440MPa) and antioxidant activity, and has certain ability of anti hydrogen corrosion. Because of the high content of Cr, C and other alloy elements in steel, the tendency of hardening of steel is obvious, and the weldability is poor.
- Q:Could you tell me what difference between SC galvanized steel pipe and MT wire pipe?
- Hot galvanized steel pipe galvanized color silver plated SC.MT wire pipe galvanized color silver plated or silver plated cold yellow fever.
- Q:What are the specific differences between flexible pipes and rigid pipes?
- From the model:Rigid waterproof sleeve: A, B and C, A type, suitable for steel pipe, B, suitable for cast iron pipe and ductile iron pipe;Flexible waterproof bushings: A and B, A used in the internal walls of buildings, B used in the exterior walls of buildings.In use:
- Q:20# seamless steel pipe and seamless steel pipe 20G what is the difference?
- 20#: low carbon steel seamless steel pipe, carbon steel is generally divided into low carbon steel, medium carbon steel and high carbon steel three, 45# steel in carbon steel, low carbon steel is lower than 45#, 45# is higher than that of high carbon steel, seamless steel pipe, such as no special requirements, using 20# seamless steel tube. 20# seamless steel pipe material is 20# steel, the strength is slightly higher than 15#, very little quenching, no temper brittleness. Cold plastic deformation and for bending, rolling, bending and hammer arch processing, arc welding and contact welding welding performance is good, when the thickness is small, prone to strict requirement of shape crack or complex shape parts. The cold or normalizing state of the cutting process is better than that of the annealed one. It is generally used to make workpieces with little stress and high toughness.
- Q:How to distinguish between steel pipe and spiral pipe material?
- Steel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.
- Q:Galvanized steel pipe DN100 and SC100
- Zinc plating, hot dip galvanizing and cold galvanizing, to see the design instructions and design requirements, which will explain
- Q:Where is the difference between seamless steel pipe and welded pipe?
- Seamless steel tube is formed during rolling. Welded steel pipes need to be welded after coiling, and spiral welding and direct welding are generally used. Seamless performance is better, of course, the price is higher.
- Q:Welded and seamless steel pipe how to distinguish?
- Different uses:Mainly used for seamless pipe or structural parts of the transmission fluid, mainly used in machinery industry, and seamed steel pipe is mainly used in the construction industry, such as water, gas, compressed air and low pressure fluid. But seamless steel tubes are used in all pressure pipes.
- Q:How can the immersed pipe pile put steel cage into the steel pipe? Which expert to answer?
- The pile reinforcement cage construction characteristics: in general application of the reinforcement cage can be used when not required manual assembling reinforcement cage, such as deep or large pile diameter should be used for solid and solid mechanism of reinforcement cage better (by reinforcing cage seam welder production) to meet Zhuang Jishi high technology requirements, enhance the stability of pile foundation.
1. Manufacturer Overview |
|
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Location | Tianjin,China |
Year Established | 2000 |
Annual Output Value | Above Thirty Million RMB |
Main Markets | China; Europe |
Company Certifications | ISO9001:2000 |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Tianjin;Qingdao |
Export Percentage | 41% - 50% |
No.of Employees in Trade Department | |
Language Spoken: | English;Chinese |
b)Factory Information | |
Factory Size: | 53000square meter |
No. of Production Lines | |
Contract Manufacturing | OEM Service Offered;Design Service Offered |
Product Price Range | Low Average |
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