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Black Square Hollow Sections RHS SHS MS Steel Tube For Construction
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Black Square Hollow Sections RHS SHS MS Steel Tube For Construction

Black Square Hollow Sections RHS SHS MS Steel Tube For Construction

✅High-Strength Construction
Cold-formed rectangular & square hollow sections (RHS/SHS) with yield strength up to 355MPa, ideal for load-bearing frameworks in high-rise buildings and industrial structures.

✅Superior Surface Protection
Black painted finish provides enhanced UV resistance and aesthetic appeal for exposed architectural elements (optional galvanized/epoxy coating available).

✅Precision Manufacturing
Tolerance: ±1% on dimensions (EN 10219 / ASTM A500 compliant)
Sizes: 20x20mm to 300x300mm (wall thickness 1.2–12mm)
Materials: MS/Carbon Steel, Q235, Q355, S355JR
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Product Introduction

Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of black square hollow sections rhs shs ms steel tube for construction in China. Welcome to consult the quotation and import cheap black square hollow sections rhs shs ms steel tube for construction made in China here from our factory.

 

Black Square hollow sections RHS SHS MS steel tube for construction

 

Product Description

I.Product Basic Info:

Shape: round/sqaure/rectangular/oval or other special section tube
OD: 20-219.1mm, WT: 0.8-12mm
Size: 10*10-400*400mm,WT:0.8-12mm
Size: 10*20-400*600mm, WT:0.8-12mm
length: 0.3-13m (as customers' request)
Surface: Pre-galvanized/Hot Dip Galvanized/Oiled/Painted/Bared , can be dealed as customers'need
Zinc Coating: 50-150g/m2 for Pre- galvanized, more than 200g/m2 for hot dip galvanized.or as clients'need
Material: Q195/Q215/Q235/Q345/Q195-Q235 ABCD
Standard: ASTM-A53 /BS 1387-1985/ GB/T 3091-2001 for round pipe
  ASTM A500 /GB/T3094 for square/rectangular pipe
Manufacturing Technique Weld/Seamless/ ERW/ SSAW/ LSAW / Cold Drawn/ Hot Drawn
Ends: Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/ Expanding neck/ Punching holes

 

 

2.Product Chemical Composition & Mechanical Properties :

Grade Chemical Composition Mechanical Properties
C Mn Si S P Yield Tensile Elongati
Strength Mpa Strenth Mpa -on %
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

 

 

Product Show

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Product Application

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1. Construction projects, civil chimneys, central air conditioning pipe,

2. Fences, threading pipe, greenhouse canopy (trellis tube),

3. Roller shutters doors, light steel keel,

4. Supporting tube, furniture, sports equipment, tents, guardrail etc.

 

Quality Inspection

Our company have all kinds of professional quality in product test technology to ensure

our product high quality.

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Packaging & Shipping

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Port:TIANJIN

Payment Terms: L/C,T/T

Delivery: 7-15 days after deposit or according to customers' quantity.

Packing: 1.Big OD:in bulk 2.Small OD:packed by steel strips 3.woven cloth with 7 slats

4.plastic bags 5.as per customer's option

 

All items of our products and related tests as follow :

1.ERW black round pipe (ASTM A53,GB..)

2.Weld black square/rectangular pipe(ASTM A500,GB,...)

3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)

4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)

5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.

6.Spiral steel pipe

7.Seamless pipe (ASTM A53,A106B,)

8.Oval pipe in galvanized and black surface

9.LTZ... special sizes pipe

10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material

11.Steel angle, Flat bar,round bar,sqaure bar,

12.H,I,U,C,T,Y,W...steel beam/channel

13.Deformed steel bar

14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.

 

 

About Us

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FAQ

Q1:What about the quality?

A:Third party inspections are always welcomed.as part of our dedication to the industry, we do make arrangements for such inspections-ABS,DNV,BV,ect.

 

Q2: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

 

Q3:Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

 

Q4: How can I get a sample to check your quality? How long can I get the sample?

A:After price confirmed, FREE SAMPLE could be provided for your evaluation. After you confirm the sample details, the samples will be ready for delivery in 3-7 days, and will be sent to you via express and arrive in 3-5 days.

 

Q5:May I customize the steel pipe?

A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or design drawing to us.

 

Q6:Any Value-added Services?

A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse with the necessities to perform in-house painting,coating,and pipe cutting.

 

Q7: How about the trade terms?

A: EXW, FOB, CFR, CIF will be accepted.

 

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