Bright Annealed Seamless Welded Stainless Steel Pipe / Ss Pipe Welding

Brand Name:HDT
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:TP304,TP304L,TP304H,TP321,TP316L,S31803,SUS304,SUS304L,SUH304H,SUS321,SUS316L,SUS329J3L
Minimum Order Quantity:5T
Delivery Time:60-75days
Payment Terms:L/C, T/T, Western Union
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Address: Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
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Product Details Company Profile
Product Details

Stainless Steel Welded Pipes ASTM A312 TP304 TP304L TP304H TP321 TP316L ASTM A790 S31803, SCH10, SCH40,6M 11.8M

Hua Dong Energy Technology has more than 35 years experience for heat exchanger tube / boiler tube/ cooling tube,


Standard Specification:
ASTM A249 / A249M - 10a Standard Specification for Welded Austenitic Steel Boiler, Superheater,
Heat-Exchanger, and Condenser Tubes
ASTM A269 - 10:Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing
for General Service
ASTM A312 / A312M - 12:Standard Specification for Seamless, Welded, and Heavily Cold Worked
Austenitic Stainless Steel Pipes
ASTM A358/A358M-08a:Standard Specification for Electric-Fusion-Welded Austenitic
ASTM A778 - 01(2009)e1:Standard Specification for Welded, Unannealed Austenitic Stainless
Steel Tubular Products
ASTM A789 / A789M - 10a:Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Tubing for General Service
ASTM A790 / A790M - 11:Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Pipe
Others like BS, JIS , DIN , EN , GOST standard we all can supply .
Material Grade:

American StandardAustenitic Steel:
TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H, TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
Duplex Steel :
S32101,S32205,S31803,S32304,S32750, S32760
Others:TP405,TP409, TP410, TP430, TP439,...
Europen Standard1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501
Russia Standard08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ



Designation: A312/A312M-04a / ASTM A790 / A790M - 11:
Standard specifications For Welded,And Heavily Cold Worked Austenitic
Stainless Steel Pipe
If client has inspection requirements, we can accept the following inspection:

Manufacture ProcessERW Welded ( ELD ) Pipe



Quality Inspection

  1. Metallographic Analysis
  2. Physical And Chemical Analysis
  3. Specification Eccentricity Test
  4. Mechanical Test
  5. PMI Test
  6. Eddy Current Test
  7. Large-Size Ultrasonic Flaw Test
  8. Ultrasonic Flat Test
  9. Thickness Test etc.



Mechanical Requirements
Grade UNS Designation Tensile Strength Yield Strength
Min Ks i [M pa] Min Ks i [M pa]
TP304 S30400 75 [515] 30 [205]
TP304L S30403 70 [485] 25 [170]
TP309S S30908 75 [515] 30 [205]
TP310S S31008 75 [515] 30 [205]
TP316L S31603 70 [485] 25 [170]
.... .... ..... ....

  1. Specification
  2. Grade
  3. OD
  4. Wall
  5. SMLES OR WELDED ...
  • ASTM A312, ASTM A790
  • TP304,TP304L,TP304H,TP321,TP316L,S31803....
  • 6.00MM-830MM
  • 0.5MM-48MM
  • WELDED .....


Size Range:

ProductionOutside DiameterWall Thickness
Welded Pipe6.00mm to 830mm0.5mm to 48mm



Final Finishing:
Solution Annealed & Pickled

China Bright Annealed Seamless Welded Stainless Steel Pipe / Ss Pipe Welding supplier

Bright Annealed Seamless Welded Stainless Steel Pipe / Ss Pipe Welding

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