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310s 347 321 Stainless Steel Seamless Pipe Standards Astm A213 Tp304 316l

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310s 347 321 Stainless Steel Seamless Pipe Standards Astm A213 Tp304 316l

Certification : ISO9001, CE

Place of Origin : Jiangsu, China

MOQ : 1 pcs

Payment Terms : L/C, T/T

Supply Ability : 5000 Ton/Tons per Month

Delivery Time : 7~10working days

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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Grade 302 SMLS Stainless Steel Seamless Pipe

302 STAINSTEEL STEEL SEAMLESS&WELDED PIPE

Stainless Steel Grade 302 is a chromium-nickel stainless steel which is a tough austenitic alloy and finds use in a wide range of industrial applications.

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 C Mn Si P S Cr Ni Fe
302 0.15% 2.0% 0.75% 0.045% 0.03% 17.0~19.0% 8.0~10.0% Remainder
303 0.10% 2.0% 1.00% 0.040% 0.015% 17.0~19.0% 8.0~10.0% Remainder
304 0.07% 2.0% 0.75% 0.045% 0.03% 17.5~19.5% 8.0~10.5% Remainder
304L 0.03% 2.0% 0.75% 0.045% 0.03% 17.5~19.5% 8.0~12.0% Remainder
304H 0.04~0.10% 2.0% 0.75% 0.045% 0.03% 18.0~20.0% 8.0~10.5% Remainder
309 0.20% 2.0% 0.75% 0.045% 0.03% 22.0~24.0% 12.0~15.0% Remainder
321 0.08% 2.0% 0.75% 0.045% 0.03% 17.0~19.0% 9.0~12.0% Remainder
330 0.08% 2.0% 0.75~1.50% 0.03% 0.03% 17.0~20.0% 34.0~37.0% Remainder
347 0.08% 2.0% 0.75% 0.045% 0.03% 17.0~19.0% 9.0~13.0% Remainder

MECHANICAL PROPERTIES

Grade

Tensile Strength

(MPa)

Min

Yield Strength

0.2% Proof

(MPa)

Min

Elongation

(%in 50mm)

Min

 Hardness

Rockwell B

(HR B)

Max

Brinell

(HB)

Max
302 620 275 40 92 147
303 620 310 30 96 230
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
309 515 205 40 95 217
321 515 205 40 95 217
330 552 207 40 95 217
347 515 205 40 92 201

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.

Product Tags:

310s stainless steel pipe

      

321 stainless steel pipe

      

347 stainless steel pipe

      
310s 347 321 Stainless Steel Seamless Pipe Standards Astm A213 Tp304 316l Manufactures

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