Specifications

1)delivery time:within 15-20 days after we receive the deposit
2)certificate:ISO9001-2008,TUV,BV,SGS
3)MOQ:5 tons each size

  Tianjin Jinnuo Steel Pipe Co., Ltd. is a professional manufacturer of high-frequency straight-seam welded steel pipes which are mainly used for low-pressure liquid fluid transportation. Our annual production capacity is more than 200,000MT. We specialized in producing all kinds of high frequency straight welded tubes , square & rectangular pipes,black steel pipes,which are all well sold in domestic and overseas markets. We also provide all kinds of hot strip steel or sheets&coils and supply processing services.

 

 

 

 

 

 

Product show  

 

 

Work flow:

 Processing and welding methods are chosen in accordance

 with materials and intended use of product.

 We use high quality materials that are made in Tianjin,China

 

 

 

Product Packaging :

 Packaging is normally are bundles, losses or client option in bundle with strip or in bulk or according to custom opinion 25 tons/container for pipe with usual outer diameter. For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

 

 

Product application:

 Structure pipe in constructions,Bridge,highway,windows of model steel door,

 building materials,fence,heating facilities etc.and also use for Fluid Pipe,water/oil/gas pipe,conduit pipe,scaffolding pipe

 

 

 

chemical composition:

Steel Grade

Chemical Composition

Mechanical property

C

Mn

Si

S

P

Cr

Ni

Cu

V

Nb

Ti

Yield point

Tensile strength

Elongation

Q195

0.06~0.12

0.25~0.50

≤0.30

≤0.050

≤0.045

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195

315~430

33

Q235

0.12~0.20

0.30~0.70

≤0.30

≤0.045

≤0.045

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235

375~500

26

Q345

≤0.20

1.00~1.60

≤0.55

≤0.40

≤0.040

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0.02~0.15

0.015~0.060

0.02~0.20

345

470~630

21

10#

0.07~0.13

0.35~0.65

0.17~0.37

≤0.035

≤0.035

≤0.15

≤0.30

≤0.25

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205

335

31

20#

0.17~0.23

0.35~0.65

0.17~0.37

≤0.035

≤0.035

≤0.25

≤0.30

≤0.25

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* Certification  

 We have passed ISO9001 ,TUV,SGS,BV CERTIFICATION

 Our company is a trusted manufacturer, and we have worked with

 over 500 companies during our 10 years of experience. 

 

 

Sample show:

 Except for galvanized,you also could require your pipes threading,with coupling and plastic caps protected,,and grooved,and to avoid rust,the surface could make black,blue painted,oiled, packing in plastic cloths,3PE,FBE,corrosion resistant coating inner and outer stab clean,bevelled.