ASTM A312 Cold Drawn Stainless Steel Seamless Tube For Boiler Heat Exchangers
Brand Name:HDT
Certification:ISO 9001 & PED
Model Number:304/304l.316;316L,310S,321,904L
Minimum Order Quantity:5T
Delivery Time:60-75days
Payment Terms:L/C, T/T, Western Union
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Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
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Cold Drawn Stainless Steel Seamless Tube For Boiler Heat Exchangers
Cold Drawn Stainless Steel Seamless Tube Fixed Length And Pickling Surface
ASME SA213 / A213 : Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler , Superheater and Stainless Steel Heat Exchanger Tubes .
ASTM A249 / A249M : Standard Specification for Welded Austenitic Steel Boiler , Superheater Heat-Exchanger , and Condenser Tubes .
Specifications :
| DN | NPS(Inch) | D(mm) | SCH5S | SCH10S | SCH40S | STD | SCH40 | SCH80 | XS | SCH80S | SCH160 | XXS |
| 6 | 1/8 | 10.30 | - | 1.24 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | - | - |
| 8 | 1/4 | 13.70 | - | 1.65 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | - | - |
| 10 | 3/8 | 17.10 | - | 1.65 | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 | 3.20 | - | - |
| 15 | 1/2 | 21.30 | 1.65 | 2.11 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 |
| 20 | 3/4 | 26.70 | 1.65 | 2.11 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 |
| 25 | 1 | 33.40 | 1.65 | 2.77 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 |
| 32 | 1 1/4 | 42.20 | 1.65 | 2.77 | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 | 4.85 | 6.35 | 9.70 |
| 40 | 1 1/2 | 48.30 | 1.65 | 2.77 | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 | 5.08 | 7.14 | 10.15 |
| 50 | 2 | 60.30 | 1.65 | 2.77 | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 | 5.54 | 8.74 | 11.07 |
| 65 | 2 1/2 | 73.00 | 2.11 | 3.05 | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 | 7.01 | 9.53 | 14.02 |
| 80 | 3 | 88.90 | 2.11 | 3.05 | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 | 7.62 | 11.13 | 15.24 |
| 90 | 3 1/2 | 101.60 | 2.11 | 3.05 | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 | 8.08 | - | - |
| 100 | 4 | 114.30 | 2.11 | 3.05 | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 | 8.56 | 13.49 | 17.12 |
| 125 | 5 | 141.30 | 2.77 | 3.40 | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 | 9.53 | 15.88 | 19.05 |
| 150 | 6 | 168.30 | 2.77 | 3.40 | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 | 10.97 | 18.26 | 21.95 |
| 200 | 8 | 219.10 | 2.77 | 3.76 | 8.18 | 8.18 | 8.18 | 12.70 | 12.70 | 12.70 | 23.01 | 22.23 |
| 250 | 10 | 273.10 | 3.40 | 4.19 | 9.27 | 9.27 | 9.27 | 15.09 | 12.70 | 12.70 | 28.58 | 25.40 |
Application :
Stainless steel seamless tubes have a lot of applications . Such as fluid & gas transport industry , structure & machining industry , petrochemical industry , environmental protection industry , electricity industry , instrument industry etc . Of cause , except above industries , seamless tubes can be used other places too . Welcome to contact us .
| Grade | 304 , 304L , 304H , 310S , 316 , 316L , 316Ti , 321 , 321H , 347 , 347H , etc |
| Standard | ASTM A213 ; ASTM A269 ; ASTM A312 ; EN10216-5 , ect . |
| Advantage | Superior surface finish , better mechanical property ; more precise dimension ; perfect inspection method and inspection equipment |
| Application | a) General service industries ( petroleum , food , chemical , paper , fertilizer , fabric , aviation and nuclear ) |
| b) Fluid, gas and oil transport | |
| c) Pressure and heat transmission | |
| d) Construction and ornament | |
| e) Boiler heat exchangers | |
| f) Decorative usage ( road lamp facilities , bridge handrail , expressway railing , bus stop , airport and gymnasium ) boiler , auto parts , medical equipment , building materials , food industry | |
| Package | Iron case ; Plywood case ; woven bag |
Applications:
321 stainless steel pipe seamless steel pipe (GB3087-1999) is used in the manufacture of various structural low intermediate pressure boiler superheated steam pipe, water pipe and locomotive boiler superheated steam pipe, pipes, small pipe and arch brick works of high quality carbon structural steel hot rolling and cold drawing (rolling) seamless steel tube.
321 stainless steel pipe: mainly used in the manufacture of high pressure and over pressure steam boiler pipes, etc. With high quality carbon structural steel, alloy steel and stainless heat resistant steel seamless steel tube, the boiler tube by the party under high temperature and high pressure pipe and works in high temperature flue gas and steam will happen under the action of oxidation and corrosion, so the steel pipe with high rupture strength, high oxidation resistance, and have good organizational stability, hydraulic prop.
Specifications:
Chemical Compostion
| C | Si | Mn | P | S | Cr | Ni | Mo | Ti |
| 0.08 | <=1.00 | <=2.00 | <=0.035 | <=0.03 | 17.00-19.00 | 9.0-12.0 | 2.0-3.0 | ≥5×C% |
Mechanical properties
| Tensile strength of sigma b (MPa) : p. 520 |
| Conditions to yield strength sigma (0.2 MPa) : p. 205 |
| Elongation delta (%) : 40 or higher |
| Reduction of area bits (%) : 50 or more |
| Hardness: 187 hb or less; 90 HRB or less; 200 hv or less |
we pack our pipe by waterproof paper , then we put these goods into wooden box. the length of our pipe is 6-11m, so we advice load our pipe buy 40GP container.
Here is the packing picture of us
ASTM A312 Cold Drawn Stainless Steel Seamless Tube For Boiler Heat Exchangers
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