Q235 Mild Steel Square Tube Steel Tube

FOB Reference Price:Get Latest Price
$500.00 - $750.00 / Ton | 1 Ton/Tons (Min. Order)
Lead Time:
Quantity(Tons) 1 - 25 >25
Est. Time(days) 15 Negotiable
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Quick Details
JIS, bs, ASTM, GB, DIN, JIS G3460-2006, BS EN10296, BS EN10025, BS EN 10297, BS 6323, BS 6363, BS 4568, ASTM A106-2006, ASTM A210-1996, ASTM A1020-2002, GB 5310-1995, GB/T 3090-2000, DIN 1626, DIN 1629/3, DIN 17175
A53-A369, 16mn, 10#-45#, ST35-ST52, Cr-Mo alloy, A53(A,B), A106(B,C), A179-C, A192, 16mn, 10#, 20#, 45#, ST37, ST52, ST45, ST35.8, St37-2, St42-2, 30CrMo
5 - 30 mm
Section Shape:
Square steel pipe
Place of Origin:
Shandong, China
Boiler Pipe
Cold Rolled
Surface Treatment:
Special Pipe:
Alloy Or Not:
Is Alloy
Product name:
Square Steel Pipe
Ms Square Tube
Hot Rolled Carbon Pipe
End protector:
Plastic Pipe Cap
Black Painted
Hot Rolled Cold Rolled
Square. Rectangular.Round
Steel Grade:
Q195-Q235/st 37/52
Construction Structure
10#.20# 45# 16Mn
Supply Ability
Supply Ability:
1000 Ton/Tons per Month
Packaging & Delivery
Packaging Details
standard export packing,suit for all kins of transport
qingdao and tianjin
Picture Example:
Lead Time :
Quantity(Tons) 1 - 25 >25
Est. Time(days) 15 To be negotiated
Product Description
ST 52 /ST37/ST42/ST45/ASTM A106Gr.B/C20/Q345B /20#/16Mn/45#/C45/SAE1045/S45C /SAE1020
3--12M or as customer's requirements
WT +/-5%, Length +/-20mm.
ASTM A500 A/B;EN10219 S235 S275; JIS G3466 STKR400;Q195B,Q235B,Q345B 
GB/T 3091; GB/T3094;GB/T6728; EN10219; ASTMA500; JISG3446,etc 
1)payment term:T/T or L/C,etc .

2)trade terms:FOB/CFR/CIF

3)minimum quantity of order:3 MT
 Main Material:
ASTM A53,ASTM A106 ASTM A210,ASTM A283,ST33, ST37-2,ST52, DIN1626,DIN1629,STPY41,G3452,G3457, S235,S355, Q195-Q235,Q345,20#, alloy steel etc
 Surface treatment:
Paint oil; Varnish; Hot galvanized; Cold galvanized;

Galvanize the raw strip steel; Or according to customer's requirements.
Tied with steel trips, then wrapped by plastic material.

Or according to customer's requirements.
Producing Standard:
ASTM A500,JG 178-2005,JIS G3466,EN10210

GB/T6728-2002,GB/T6725-2002, GBT3094-2000,or according to technical protocol
application area

1. Large-diameter square tube (GB/T8162-1999) for structure is a large-diameter square tube for general structure and mechanical structure.

2. Large-diameter square tube for fluid transportation (GB/T8163-1999) is a general large-diameter square tube for conveying water, oil, gas and other fluids.

3. Large-diameter square tube for low and medium pressure boilers (GB3087-1999) is used for manufacturing superheated steam pipes, boiling water pipes and locomotive boiler superheated steam pipes, large smoke pipes, small smoke pipes and arches for various structures. Hot-rolled and cold-drawn (rolled) large-diameter square tubes of high-quality carbon structural steel for brick tubes.

4. Large-diameter square tube for high-pressure boiler (GB5310-1995) is a high-quality carbon steel, alloy steel and stainless steel tube with large diameter for the heating surface of water tube boiler for high pressure and above.

5. High-pressure large-diameter square tube for chemical fertilizer equipment (GB6479-2000) is a high-quality carbon structural steel and alloy steel large-diameter square for chemical equipment and pipelines with working temperature of -40~400°C and working pressure of 10~30Ma. tube.

6. Large-diameter square tube for petroleum cracking (GB9948-88) is a tube-tube heat exchanger and a large-diameter square tube for petroleum refinery.

7. Steel pipe for geological drilling (YB235-70) is a steel pipe used for geological drilling by the geological department. It can be divided into drill pipe, drill collar, core pipe, casing and sedimentation pipe according to the application.

8. Large-diameter square tube for diamond core drilling (GB3423-82) is a large-diameter square tube for drill pipe, core rod and casing for diamond core drilling.

9. Oil Drilling Pipe (YB528-65) is a large-diameter square pipe used for thickening or external thickening at both ends of oil drilling. There are two kinds of steel pipe and no wire, the wire pipe is connected by a joint, and the non-wire pipe is welded by a butt welding method and a tool joint.

10. Carbon steel large-diameter square tube for ships (GB5213-85) is a carbon steel large-diameter square tube for the manufacture of ship class I pressure pipe system, class II pressure pipe system, boiler and superheater. The working temperature of the large-diameter square tube wall of carbon steel does not exceed 450 °C, and the working temperature of the large-diameter square tube wall of alloy steel exceeds 450 °C.

Detailed Images

carbon Square steel pipe

Our Company

Hui Yuan is a trading company established based on Liaocheng Development Zone Jinyun Steel Pipe Co., Ltd. The factory has more than ten years of professional production experience .Now we have cold rolled seamless steel pipe 12 production lines and hot rolled seamless steel pipe 1 production line,one more hot rolled seamless steel pipe production line is under construction.

Our main products are listed as follows: pricision steel pipe, Hot Rolled steel pipe, Cold Drawn steel pipe, seamless steel pipe, alloy steel, bearing steel, welded pipe, spiral pipe, galvanized pipe, Abnormity pipe.etc. Our company has many professional equipments such as punches, perforation machines, tube drawing machines and so on. These devices can ensure our annual production capacity up to 80000 tons.

Our company adheres to the business philosophy of exceeding customer expectations and fulfilling employees' dreams, and keeps making progress to provide customers with reliable products and services.

Our products have been exported to Germany, South Korea, Russia, Malaysia, Pakistan, Thailand, India, Ukraine and other countries and regions. We sincerely welcome friends from all over the world to contact us and establish mutually beneficial business relations.

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company name: shandong huiyuan metal material co.,ltd