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A312 A358 SS Welded Tube 304 304L 316 316H 316L

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Wuxi Screw Metal Products Co., Ltd.

A312 A358 SS Welded Tube 304 304L 316 316H 316L

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Product Details

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

ElementCMnSiPSCrNiFe
3020.15%2.0%0.75%0.045%0.03%17.0~19.0%8.0~10.0%Remainder
3030.10%2.0%1.00%0.040%0.015%17.0~19.0%8.0~10.0%Remainder
3040.07%2.0%0.75%0.045%0.03%17.5~19.5%8.0~10.5%Remainder
304L0.03%2.0%0.75%0.045%0.03%17.5~19.5%8.0~12.0%Remainder
304H0.04~0.10%2.0%0.75%0.045%0.03%18.0~20.0%8.0~10.5%Remainder
3090.20%2.0%0.75%0.045%0.03%22.0~24.0%12.0~15.0%Remainder
3210.08%2.0%0.75%0.045%0.03%17.0~19.0%9.0~12.0%Remainder
3300.08%2.0%0.75~1.50%0.03%0.03%17.0~20.0%34.0~37.0%Remainder
3470.08%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

3026202754092147
3036203103096230
3045152054092201
304L4851704092201
304H5152054092201
3095152054095217
3215152054095217
3305522074095217
3475152054092201

 

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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