Model NO.: 40*40*1.5mm
Shape: Square,Rectangler ,Round
Grade: Q235 Q345 St37 St52 St37-2 10# 20# 16mn
Surface: Black, Paint, Galvanized
Our Diameter: 10*10~1000*1000mm
Thickness: 0.5-50mm
Application: Structure Pipe, etc
Packaging: in Bundles
Delivery Time: Within 15~20 Days
Trademark: HJ steel
Transport Package: in Bundles with Steel Strips
Specification: 40*40*1.5mm
Origin: Shandong Province, China
Model NO.: 40*40*1.5mm
Shape: Square,Rectangler ,Round
Grade: Q235 Q345 St37 St52 St37-2 10# 20# 16mn
Surface: Black, Paint, Galvanized
Our Diameter: 10*10~1000*1000mm
Thickness: 0.5-50mm
Application: Structure Pipe, etc
Packaging: in Bundles
Delivery Time: Within 15~20 Days
Trademark: HJ steel
Transport Package: in Bundles with Steel Strips
Specification: 40*40*1.5mm
Origin: Shandong Province, China
1. Product Description
Shape Round pipe Square pipe Rectangular pipe
Outer diameter 17-1820mm 10*10-1000*1000mm 5*10-600*800mm
Wall thickness 0.5-50mm 0.5-50mm 0.5-50mm
Part of sizes 
commonly used		   10*10*0.5mm
50*50*16mm 
50*50-100*100*(1.0mm~20mm) 
100*100-300*300*(1.0mm~50mm)
300*300-600*600*(2.0mm~50mm)
100*100*12mm
135*135*(10mm~12mm) 
170*170*(1.5mm~20mm)
180*180*(1.5mm~20mm)
220*220*(2.0mm~25mm) 
280*280*(2.0mm~25mm)
320*320*(2.0mm~30mm)
380*380*(4.0mm~36mm) 
430*430*(6mm~40mm)
500*500*(8mm~50mm) 
520*520*(8mm~50mm)
550*500*(8mm~50mm)
450*450*(6mm~50mm)
600*600*(6mm~50mm)		 10*5*0.5mm
80*200*12mm 
160*120*(2mm~20mm)
180*140*(2mm~25mm)
250*150*(2mm~20mm)
300*200*(4mm~25mm) 
350*150*(2mm~25mm)
300*100*(2mm~20mm) 
350*250*(4mm~30mm) 
350*300*(4mm~30mm)
305*102*(3.0mm~25mm) 
304*254*(3.0mm~25mm) 
360*310*(3.0mm~25mm)
360*240*(3.0mm~25mm) 
350*100*(3.0mm~14mm) 
310*210*(3.0mm~25mm)
300*200*(4mm~30mm) 
400*150*(4mm~30mm) 
400*200*(6mm~30mm)
400*250*(4mm~50mm) 
450*250*(4mm~50mm) 
500*200*(6mm~50mm)
450*350*(6mm~50mm) 
500*300*(6mm~50mm) 
600*800*(6mm~50mm)
Length 4m-14m or as customers' requirements
Standard BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255,ASTM A53,
Surface Black, paint, galvanized
Zinc coating Pre galvanized steel pipe: 60-150g/m2;
Hot dipped galvanized steel pipe: 200-400g/m2
End finish Plain/ beveled ends or threaded with sockets/coupling and plastic caps.
Material Q195 Q215 Q235 Q345 St37 St52 St37-2 10# 20# 16Mn
Usage Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture,
Lowpressure fluid pipe for water oil or gas, Boiler pipe.
Place of origin Shandong,China
Productivity 6000Mts/Month
Inspection With hydraulic testing, eddy current and infrared test, or any third party inspction
Packing In bundles, packed in woven bag; in loose; or request.
Delivery time Within 20 days after the prepayment
Payment Terms 1) Payment term : T/T ;L/C;D/P   2) Trade Terms : FOB / CFR /CIF
3) Minimum quantity of order : 25 MT
Others 1:Special design available according to requirement 
2:Pipe can be necked dowm, punching hole on pipe wall. 
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly

2. Chemical Composition
Grade Chemical Composition Mechanical Properties
C Mn Si S P Yield Tensile Eelongation
Strength Mpa Strenth Mpa %
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

Black Carbon Steel Square Tube Used for Structure
Black Carbon Steel Square Tube Used for Structure
Black Carbon Steel Square Tube Used for Structure


3. Regarding of Our Company & Contact Details
Liaocheng Huajian Steel Co., Ltd Information
We are localed in Liaocheng city, Shandong Province, 
which is known as "the Water City of Jiangbei". 
Our company were established in the year 2016. 
And the registered capital is 101,0000 RMB. 
We are a modern private enterprises,
which are specialized in processing and exporting steel materials in China, 
and we win high reputations from our customers.
Main product:
·Steel Profile:H-Beam/I-Beam/Equal Angle/Unequal Angle/U Channel /Flat Bar
·Steel Plate:Hot Rolled Coil/Hot Rolled Checkered Coil/Cold Rolled Coil
·Wire Bar: Round Bar /Wire Rod/Deformed Steel Bar
·Steel Pipes: Seamless Pipe, Square/Round Pipes, welded steel pipe
·Galvanized Steel: Angle/Channel/I-Beam/Round Bar/Flat Bar/Round-Square Pipe
Contact
Salesman: Ada Wang
Mob: +86 15054586365
Tel:  +86 (635) 8212 180 

4. FAQ
1) why you chose us ?
Because we have large stocks and we have long term cooperative factories. We can get the lowest ex-factory prices. The price are quite reasonable and it is lower than our commercial peers. Also, we can guarantee the quality of our products.
2) Our minimum order quantity:
15 Metric Tons
3) How about the Delivery Time?
The steel pipe will be produced since we getting your deposit by T/T or original L/C, and delivery to the port of loading within 25~30 days. 
For normal size, some stocks in our factory now, we can shipment within 7~10 days after receive the deposit.
4) What kind of payment does your company support?
T/T, 100% L/C at sight.
5) Do you charge for the samples?
No, we provide samples free, you pay for the freight charge.
6) Main market:
Mid East South America South Asia Africa Southeast Asia Northern Europe Western Europe etc.

If you are interested in our products, please contact with me freely ! 1. Product Description
Shape Round pipe Square pipe Rectangular pipe
Outer diameter 17-1820mm 10*10-1000*1000mm 5*10-600*800mm
Wall thickness 0.5-50mm 0.5-50mm 0.5-50mm
Part of sizes 
commonly used		   10*10*0.5mm
50*50*16mm 
50*50-100*100*(1.0mm~20mm) 
100*100-300*300*(1.0mm~50mm)
300*300-600*600*(2.0mm~50mm)
100*100*12mm
135*135*(10mm~12mm) 
170*170*(1.5mm~20mm)
180*180*(1.5mm~20mm)
220*220*(2.0mm~25mm) 
280*280*(2.0mm~25mm)
320*320*(2.0mm~30mm)
380*380*(4.0mm~36mm) 
430*430*(6mm~40mm)
500*500*(8mm~50mm) 
520*520*(8mm~50mm)
550*500*(8mm~50mm)
450*450*(6mm~50mm)
600*600*(6mm~50mm)		 10*5*0.5mm
80*200*12mm 
160*120*(2mm~20mm)
180*140*(2mm~25mm)
250*150*(2mm~20mm)
300*200*(4mm~25mm) 
350*150*(2mm~25mm)
300*100*(2mm~20mm) 
350*250*(4mm~30mm) 
350*300*(4mm~30mm)
305*102*(3.0mm~25mm) 
304*254*(3.0mm~25mm) 
360*310*(3.0mm~25mm)
360*240*(3.0mm~25mm) 
350*100*(3.0mm~14mm) 
310*210*(3.0mm~25mm)
300*200*(4mm~30mm) 
400*150*(4mm~30mm) 
400*200*(6mm~30mm)
400*250*(4mm~50mm) 
450*250*(4mm~50mm) 
500*200*(6mm~50mm)
450*350*(6mm~50mm) 
500*300*(6mm~50mm) 
600*800*(6mm~50mm)
Length 4m-14m or as customers' requirements
Standard BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255,ASTM A53,
Surface Black, paint, galvanized
Zinc coating Pre galvanized steel pipe: 60-150g/m2;
Hot dipped galvanized steel pipe: 200-400g/m2
End finish Plain/ beveled ends or threaded with sockets/coupling and plastic caps.
Material Q195 Q215 Q235 Q345 St37 St52 St37-2 10# 20# 16Mn
Usage Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture,
Lowpressure fluid pipe for water oil or gas, Boiler pipe.
Place of origin Shandong,China
Productivity 6000Mts/Month
Inspection With hydraulic testing, eddy current and infrared test, or any third party inspction
Packing In bundles, packed in woven bag; in loose; or request.
Delivery time Within 20 days after the prepayment
Payment Terms 1) Payment term : T/T ;L/C;D/P   2) Trade Terms : FOB / CFR /CIF
3) Minimum quantity of order : 25 MT
Others 1:Special design available according to requirement 
2:Pipe can be necked dowm, punching hole on pipe wall. 
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly

2. Chemical Composition
Grade Chemical Composition Mechanical Properties
C Mn Si S P Yield Tensile Eelongation
Strength Mpa Strenth Mpa %
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

Black Carbon Steel Square Tube Used for Structure
Black Carbon Steel Square Tube Used for Structure
Black Carbon Steel Square Tube Used for Structure


3. Regarding of Our Company & Contact Details
Liaocheng Huajian Steel Co., Ltd Information
We are localed in Liaocheng city, Shandong Province, 
which is known as "the Water City of Jiangbei". 
Our company were established in the year 2016. 
And the registered capital is 101,0000 RMB. 
We are a modern private enterprises,
which are specialized in processing and exporting steel materials in China, 
and we win high reputations from our customers.
Main product:
·Steel Profile:H-Beam/I-Beam/Equal Angle/Unequal Angle/U Channel /Flat Bar
·Steel Plate:Hot Rolled Coil/Hot Rolled Checkered Coil/Cold Rolled Coil
·Wire Bar: Round Bar /Wire Rod/Deformed Steel Bar
·Steel Pipes: Seamless Pipe, Square/Round Pipes, welded steel pipe
·Galvanized Steel: Angle/Channel/I-Beam/Round Bar/Flat Bar/Round-Square Pipe
Contact
Salesman: Ada Wang
Mob: +86 15054586365
Tel:  +86 (635) 8212 180 

4. FAQ
1) why you chose us ?
Because we have large stocks and we have long term cooperative factories. We can get the lowest ex-factory prices. The price are quite reasonable and it is lower than our commercial peers. Also, we can guarantee the quality of our products.
2) Our minimum order quantity:
15 Metric Tons
3) How about the Delivery Time?
The steel pipe will be produced since we getting your deposit by T/T or original L/C, and delivery to the port of loading within 25~30 days. 
For normal size, some stocks in our factory now, we can shipment within 7~10 days after receive the deposit.
4) What kind of payment does your company support?
T/T, 100% L/C at sight.
5) Do you charge for the samples?
No, we provide samples free, you pay for the freight charge.
6) Main market:
Mid East South America South Asia Africa Southeast Asia Northern Europe Western Europe etc.

If you are interested in our products, please contact with me freely !

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