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Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock

Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock photo-1
Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock photo-2
Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock photo-3
Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock photo-4
Structural Grade Square Steel Pipe – JIS G3444 STK400 – Bulk Stock photo-5

Product Spotlights

Carbon steel square/rectangular sections – ASTM A500, EN 10219, JIS G3466, API 5L. Grades B, C, S235JRH, S355J2H, STKR400, Q235B. Sizes: 25–400mm outer dimension, 1.5–12.5mm wall thickness. Finishes: bare, oiled, varnished, hot‑dip galvanized, or black oxide. Ends: plain, beveled, threaded, grooved. Hydrostatic & NDT tested with MTC. Optional normalizing/annealing. Large inventory, cut‑to‑length, OEM customization.
US$ 580 28 - 55 Tons
US$ 550 56 - 83 Tons
US$ 530 ≥84 Tons
Key Specifications
Get Latest Price
Warranty:
12 Months
Technique:
ERW
Surface Treatment:
Black
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
14 days
Warranty 12 Months
Technique ERW
Surface Treatment Black
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Material Carbon Steel
After-sales Service Online Support, MTC Provided, Third-Party Inspection Support
Section Shape Square
Transport Package Standard Export Seaworthy Packaging
Origin China

碳钢方管_01

Standard

ASTM,JIS,EN,DIN,GB,AISI

Grade

ASTM

A36,A572,A516,A514,A615,A203,etc

GB

Q195,Q235,Q345,16Mn,42CrMo,Cr12MoV,etc

JIS

SS400,SS490,SS400,SM490,etc

EN

S235JR,S355JR,S275J2,S460ML,S420ML,etc

DIN

St37,St44,St52,St70,C45,16MnCr5,etc

Specifications

Side Length

10mm-600mm,Customized according to requirements

Thickness

0.5mm-30mm,Customized according to requirements

length

5.8M,6M,9M,12M,Customized according to requirements

Production Technology

Seamless pipes
(Hot rolling, Cold drawing, Extrusion, Piercing and Expanding)

Welded pipes
(Arc welding, Laser welding, Friction welding, Resistance welding, Argon arc welding)

Processing

Stamping,Punching,Shearing,Splicing

Surface

Hot-rolled scale,Cold drawn bright,Galvanized finish

Package

Standard solution: plastic film + kraft paper + strapping + Wooden box

Economic solution: plastic film + strapping

碳钢方管_02碳钢方管_04碳钢方管_05不锈钢板_06碳钢方管_07

不锈钢板_08不锈钢板_09弹簧钢丝_10不锈钢板_11不锈钢板_12

不锈钢板_13不锈钢板_14

Q: Can you send samples?

A: Of course, we can send samples to all over the world, our samples are free, but customers need to bear the courier cost.


Q: What product information do I need to provide?

A: You need to provide grade, width, thickness and the ton you need to buy.


Q: What are the shipping ports?

A: You can choose other ports according to your needs.


Q: About the product price?

A:Due to the cyclical changes in raw material prices, prices vary from period to period.


Q: What certifications do your products
have? A: We have ISO 9001,EWC and other certifications.


Q: How long does your delivery time take?

A: Generally, our delivery time is within 7-45 days.


Q: Can I visit your factory?

A: Of course, we welcome customers from all over the world to visit our factory.


Q: Does the product have quality inspection before loading?

A: Of course, all our products have undergone strict quality inspection before packing.


Product Tags: ERW square steel pipe , Bulk Stock rectangular steel tube , Q235B square pipe exporter

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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2016
Factory Size
30,000-50,000 square meters
Annual Export Value
US$50 Million - US$100 Million