• Various Sizes of Welded Black Annealed Steel Square Tube
  • Various Sizes of Welded Black Annealed Steel Square Tube
  • Various Sizes of Welded Black Annealed Steel Square Tube
  • Various Sizes of Welded Black Annealed Steel Square Tube

Various Sizes of Welded Black Annealed Steel Square Tube

Type: Welded
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black
Usage: Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
Section Shape: Round&Square
Customization:

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Basic Info.

Transport Package
Standard Seaworthy Packing
Specification
7303009000
Trademark
Tianyingtai(TYT)
Origin
Tianjin, China
HS Code
7303009000
Production Capacity
5000ton/Month

Product Description

1. 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
  10*20-400*600mm, WT:0.8-12mm
Length: 0.3-12m     (or as customers' request)
Surface: Carbon/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
3. Product Application:
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.
4. Packaging & Shipping
Port: TIANJIN
Payment Terms: L/C,T/T
Delivery: 15-45 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 
Company Profile
Various Sizes of Welded Black Annealed Steel Square Tube
Various Sizes of Welded Black Annealed Steel Square Tube
Quality Inspection
Various Sizes of Welded Black Annealed Steel Square Tube
Various Sizes of Welded Black Annealed Steel Square Tube Our services
1. Customization is avaliable according to requirements.
2. All production processes are strictly under ISO 9001-2008.
3. Free sample ( not contain the cost of freight).
4. Third party inspection (SGS,BV...) is welcomed.
5. Visit factory any time.
6. FOB/ CIF/ CFR/ ERW is accepted. 



 

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