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Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD

  • Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD
  • Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD
  • Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD
  • Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD
Place of Origin Mainland China
Brand Name Hengchengtai
Certification SGS ISO ROHS
Model Number SA106B SA106C 20G Q345B 27SIMN
Minimum Order Quantity 1ton
Price 500-1000 USD PER TON
Packaging Details Standard seaworthy package
Delivery Time 5-10Days after confirming order
Payment Terms L/C, T/T, Western Union
Supply Ability 800TONS PER MONTH
Product Details
Grade Q345,Q235,20#,10#,Q195 Product Name High Pressure Steel Pipe
Shape Square. Rectangular.Round Diameter 8-1020mm
Thickness 2.5 - 80 Mm Oiled Or Non-oiled Non-oiled
Standard ASTM AISI GB DIN JIS EN Processing Service Bending Cutting Welding Punching
Lead Time 10-15days Tolerance ±5%
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Q345 Q235 carbon steel square pipe

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carbon steel square pipe 80mm ASTM

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welded steel pipes 21.30MM OD
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Product Description

Professional Manufacture Cheap Welded Steel Pipes

 
Steel tube are the most common pipe gas engineering in the application. Its main advantages are: high strength, good toughness, bearing stress is big, good impact resistance and rigor, plasticity is good, easy to weldingAnd hot working, with thin wall thickness, saving metal. But its corrosion resistance is bad, need to have proper corrosion protection measures. Steel pipe by high quality low carbon steel commonly used in the fuel gas projects (Q235) or low alloy steel (16 mn).
 
OD. O.D. SCH 10 SCH 30/40
W.T. NORMAL WEIGHT W.T. NORMAL WEIGHT
(mm) (INCH) (mm) (inch) (mm) (inch) (kg/mtrs) (lbs/ft) (mm) (inch) (kg/mtrs) (lbs/ft)
15 1/2'' 21.30 0.840 ---- ---- ---- ---- 2.77 0.109 1.27 0.85
20 3/4'' 26.70 1.050 2.11 0.083 1.28 0.96 2.87 0.113 1.69 1.13
25 1'' 33.40 1.315 2.77 0.109 2.09 1.41 3.38 0.133 2.50 1.68
32 1.1/4'' 42.20 1.660 2.77 0.109 2.69 1.81 3.56 0.140 3.39 2.27
40 1.1/2'' 48.30 1.900 2.77 0.109 3.11 2.09 3.68 0.145 4.05 2.72
50 2'' 60.30 2.375 2.77 0.109 3.93 2.64 3.91 0.154 5.45 3.66
65 2.1/2'' 73.00 2.875 3.05 0.120 5.26 3.53 5.16 0.203 8.64 5.80
80 3'' 88.90 3.500 3.05 0.120 6.46 4.34 5.49 0.216 11.29 7.58
90 3.1/2'' 101.60 4.000 3.05 0.120 7.41 4.98 5.74 0.226 13.58 9.12
100 4'' 114.30 4.500 3.05 0.120 8.37 5.62 6.02 0.237 16.09 10.80
125 5'' 141.30 5.563 3.40 0.134 11.58 7.78 6.55 0.258 21.79 14.63
150 6'' 168.30 6.625 3.40 0.134 13.85 9.30 7.11 0.280 28.29 18.99
200 8'' 219.10 8.625 4.78 0.188 25.26 16.96 7.04 0.277 36.82 24.72
250 10'' 273.10 10.750 4.78 0.188 31.62 21.23 7.08 0.307 51.05 34.27

 

 

 Product Description

 

Material :ASTM A335 P2, P12, P11, P22, P5, P9, P91,ASTM A213 T2, T11,T5,T9,T22,4140,12CrMo,15CrMo,12Cr2Mo,1Cr5Mo,42CrMo4,1Cr9Mo,10CrMo910,etc


 

 

  A/SA335 NPS 1/4" - 24" Schedules 40 through 160, STD, XH and XXH
Scope This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding.
Material & Manufacture Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment Requirements
  P5, P9, P11, and P22    
Grade Heat Treatment Type Normalizing Temperature Range F [C] Subcritical Annealing or Tempering
Temperature Range F [C]
 
P5 (b,c) Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
  Subcritical Anneal (P5c only) ***** 1325 - 1375 [715 - 745]
P9 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
P11 Full or Isothermal Anneal    
  Normalize and Temper ***** 1200 [650]
P22 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
P91 Normalize and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
  Quench and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
   
Chemical Requirements
    Grade P-5 P-9 P-11 P-22 P-91 P-91 shall also include the following:
Element UNS Designation K41545 S50400 K11597 K21590 K91560
  Carbon 0.15 max 0.15 max 0.05 - 0.15 0.05 - 0.15 0.08 - 0.12 V at 0.18 - 0.25
Manganese 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 N at 0.030 - 0.070
Phosphorous, max 0.025 0.025 0.025 0.025 0.020 Ni at 0.40 max
Sulfur, max 0.025 0.025 0.025 0.025 0.010 Al at 0.02 max
Silicon 0.50 max 0.25 - 1.00 0.50 - 1.00 0.50 max 0.20 -0.50 Cb at 0.06 - 0.10
Chromium 4.00 - 6.00 8.00 - 10.00 1.00 - 1.50 1.90 - 2.60 8.00 - 9.50 Ti at 0.01 max
Molybdenum 0.45 -0.65 0.90 - 1.10 0.44 - 0.65 0.87 - 1.13 0.85 - 1.05 Zr at 0.01 max

Product Image

Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD 0

Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD 1

2. ASTM Seamless Steel Pipe SA10 astm a106 b grb pipe price 65mn spring steel pipe ASTM 1065 spring seamless steel pipe

stock sizes:

outer diameters: 6mm -1020mm

wall thickness: 6mm-1020mm

length : 5000mm-13000mm

other sizes need new production.

 

3. ASTM Seamless Steel Pipe SA10 astm a106 b grb pipe price 65mn spring steel pipe ASTM 1065 spring seamless steel pipepicture and weight counting method as follow:

we can cut the seamless steel pipe into the length you demand, and can make the surface to be bright by milling and grinding at the Lathe, and can grind the outer diameter and wall thickness to be the dimension you demand. If the sizes are not available from the standard common stock sizes, and the quantity are not enough for the new production, then we need process the stock larger seamless pipes into the sizes you need. And we also can make steel pipes deep processing. For example, size OD250x ID200 is not stock common size, then need using larger pipe to process into 250x 200, same as OD170xID100, the processing pictures are as follows:


Packaging & Shipping

1. by bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4 - 8 steel strips.
2. after making by bundle, covered with Polyethylene waterproof cloth.
3. make black painting on each pipe, then make bundles the seamless steel pipes are transported to seaport

shipping by bulk vessel, so loading on bulk vessel ; also shipping by container, container loading picture also as following:


Q345 Q235 Welded Steel Carbon Steel Square Pipe 80mm ASTM 21.30MM OD 2



FAQ

 

1. What are your company's main products ?
Our main products are stainless steel pipe and plate, seamless steel pipe, galvanized steel pipe,petroleum pipe, helical welded pipe, wear resistant steel plate, cold rolled/hot rolled coil steel, Angle steel, I-beam steel, H-beam steel, channel steel, etc.


2. Can I get some samples?
Yes, we glad to provide free samples for you.

 

3. Can we visit your factory?
Sure, we welcome you to visit our factory, check our production lines and know more about our strength and quality.
 
4.How can you garantee the quality?
We are factory with 100% predelivery inspection which garantee the quality. And as golden supplier on Alibaba. Alibaba assurance will make garantee, which means alibaba will pay your money back in advance if there is any problem with the products.
 
5. How long is your delivery time?
Generally it is 7 days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for
delivery.pieces

 

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