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  • Jiangsu Changjian Metal Products Co., Ltd.
    Eduardo
    The coil was packaged very well and shipped fast.The product fits the descripton. Thinking about purchasing again.Really a great product. I have tried other products and this by far is the best money I have spent.
  • Jiangsu Changjian Metal Products Co., Ltd.
    David
    First time we import a big project from China, excellent for service And really professionnal. My goods have been received, the products are not damaged at all.The quality and workmanship are very good, the materials are also very good, I am very satisfied. recommand them!
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Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304

  • Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304
  • Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304
  • Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304
  • Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304
  • Round Seamless Stainless Steel Pipes Tubes Ss 410 904L 304
Place of Origin Jiangsu, China
Certification ISO9001, CE
Minimum Order Quantity 1 pcs
Delivery Time 7~10working days
Payment Terms L/C, T/T
Supply Ability 5000 Ton/Tons per Month

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Product Details
Product Name Stainless Steel Round Pipe Technique Cold Rolled,Hot Rolled
Type Seamless Pipe(SMLS) Surface No.1,2D,2B,BA,No.4,8k,Tempered
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Product Description

Grade 904L SMLS Stainless Steel Seamless Pipe

904L(1.4539) SEAMLESS&WELDED PIPE

 

904L is an austenitic stainless steel.In comparison to 316L, its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids and in particular its copper addition gives it useful corrosion resistance to all concentrations of sulphuric acid. Its high alloying content also gives it greater resistance to chloride stress corrosion cracking, but it is still susceptible. Its low carbon content makes it resistant to sensitization by welding and which prevents intergranular corrosion.

 

STOCKING PROGRAM

  • Size Range : 1/4″ ~ 36″ NPS (Larger sizes available upon request)
  • Schedules : 10, 10s, 40, 40s, 80, 80s, 120, 160 (Custom wall thicknesses available upon request)
  • Stainless Steel Grades : 304, 304L, 316, 316L, 316L, 317L, 321 , 347
  • Special Alloys : 2205, 254SMo, Monel, Inconel
  • Chrome Moly : P5, P9, P11, P22, P91
  • Standards : ASTM / ASME

CHEMICAL COMPOSITION

Element Cu Mn Cr Ni P S Si
904L 1.0~2.0% 2.00% 19.0~23.0% 23.0~28.0% 0.045% 0.035% 1.00%

 

MECHANICAL PROPERTIES

Grade

Tensile Strength

(MPa)

Min

Yield Strength

0.2% proof (MPa)

Min

Elongation

(%in 50mm)

Min

Rockwell B(HRB)
904L

 

490

 

 220 36 70~90

 

ADVANTAGES OF WELDED

  • Welded pipes are typically more cost effective than their seamless equivalents.
  • Welded pipes are usually more readily available than seamless. The longer lead time required for seamless pipes can not only make timing problematic, but it also allows more time for the price of the materials to fluctuate.
  • The wall thickness of welded pipes is generally more consistent than that of seamless pipes.
  • The internal surface of welded tubes can be checked before manufacturing, which isn’t possible with seamless.

ADVANTAGES OF WELDED

  • The main perceived advantage of seamless pipes is that they don’t have a weld seam.
  • Seamless pipes provide peace of mind. Although there should be no issues with the seams of welded pipes supplied by reputable manufacturers, seamless pipes prevent any possibility of a weak seam.
  • Seamless pipes have better ovality or roundness, than welded pipes.
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