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black steel pipes from China for building

black steel pipes from China for building

Black steel pipes from China for building

Payment
L/C, T/T, Western Union, MoneyGram, PAYPAL payments for offline orders
Trade Terms
EXW, FOB, CIF, CNF, DDU, DDP, etc.
Shipping
BY SEA
MOQ
10 TONS
OEM / ODM
Accept
Place of Origin
Shanghai
Price
Get Latest Price
Get the latest price
Quantity Needed:
Pieces
E-mail:
Product Comparison
steel angle has the following advantages: well-chosen materials, reasonable design, stable performance, excellent quality, and affordable price. Such a product is up to the market demand.steel angle is more competitive than other products in the same category, as shown in the following aspects.
  • application-ChangZeng-img
    application-steel manufacturer-steel angle-steel channel-ChangZeng-img
Product Details
Next, ChangZeng Metal will present you with the specific details of steel manufacturer.Well-chosen in material, fine in workmanship, excellent in quality and favorable in price, ChangZeng Metal's steel manufacturer is highly competitive in the domestic and foreign markets.
  • application-black steel pipes from China for building-ChangZeng-img
Company Advantages
1. During the design of ChangZeng seamless steel pipe , several design elements are taken into considerations. A good deal of emphasis is placed on tolerances, surface finish, durability, and practicability.
2. As any defect will be completely eliminated during the inspection process, the product is always at the best quality.
3. Shanghai ChangZeng Metal Co., Ltd. is well-funded with adequate steel pipes supply and thoughtful service.
4. We can provide you one-stop solution and effective suggestions after you buy our steel pipes.

Company Features
1. steel pipes is manufactured by Shanghai ChangZeng Metal Co., Ltd. , which has skilled workers, strong R&D ability and highly strict quality control system.
2. Shanghai ChangZeng Metal Co., Ltd. has advanced equipment, large scale, and high quality which could guarantee and organize batches production.
3. For the ultimate ambition of being a leading steel tubing supplier, ChangZeng has been doing its utmost. Please contact us! Excellence in quality of steel pipes and professional in service are what ChangZeng pursues. Please contact us! Shanghai ChangZeng Metal Co., Ltd. will, as always, adhere to the policy of seamless steel pipe . Please contact us!
Product Pictures
Product Description
Commodity Name
Width*Height
Wall Thickness















Square tube
20*20
1.0-2.0
25*25
1.0-3.0
30*30
1.0-3.75
40*40
1.2-6.0
50*50
1.2-6.0
60*60
1.3-6.0
70*70
1.3-6.0
80*80
1.3-9.75
90*90
1.3-9.75
100*100
1.5-1.6
120*120
2.5-30
140*140
2.5-15
150*150
2.5-15
160*160
2.5-30
180*180
2.5-30
200*200
2.75-30
250*250
3.5-17.75
300*300
4.75-17.75
400*400
4.5-30
500*500
4.5-30

Chemical Composition(%):

Steel Grade
% by mass, maximum
C
Si
Mn
P
S
S355K2H
0.22
0.55
1.6
0.030
0.030

Mechanical Properities:

Steel Grade
Minimum yield strength(Mpa)
Tensile strength(Mpa)
Minimum elongation(%)
Minimum impact energy(J)
Specified thickness (mm)
at test temperature of
≤16
>16≤40
<3
≥3≤40
≤40
-30℃
0℃
20℃
S355K2H
355
345
510-680
470-630
20
40
/
/
Surface Treatment:

Oiled, black painted, shot blasted, hot dipped galvanized or phosphate coating.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Packing: 

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test:

Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test..

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