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ASME SA312 TP321 4 Inch Stainless Steel Seamless Pipe

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ASME SA312 TP321 4 Inch Stainless Steel Seamless Pipe

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Brand Name : YUHONG

Model Number : ASME SA312 TP321 114.3MM * 6.02MM * 6096MM STAINLESS STEEL PIPES NH/ET/UT HEAT

Certification : ISO,SGS,BV,ISO & SGS,ISO/CE/SGS

Place of Origin : CHINA

MOQ : 100KGS

Price : NEGOTIABLE

Payment Terms : L/C, T/T

Delivery Time : 20-80

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

STANDARD : ASME SA312

MATERIAL : TP321

SPECIFICATION : ASME SA-312 TP-321 114.3MM * 6.02MM * 6096MM S

TEST : NDT IBR

Type : Seamless,Welded,round pipe / tube

Length : 6 Meters or customized

Shape : Round.square.Rectangle

Package : Standard Seaworthy Package.

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114.3MM Asme Sa312 Tp321 4 Inch Stainless Steel Seamless Pipe

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.

Scope

ASME SA312 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high temperature and general corrosive service.
Chemical Composition:
Grade UNS Composition, %
Design C Mn P S Si Cr Ni Mb Ti Nb N Cu Ce B Al
TP304 S30400 0.08 2 0.045 0.03 1 18.0–20 8.0–11 . . . . . . . . . . . . . . . . . .
TP304L S30403 0.035 2 0.045 0.03 1 18.0–20 8.0–13 . . . . . . . . . . . . . . . . . .
TP304H S30409 0.04 – 0.1 2 0.045 0.03 1 18.0–20 8.0–11 . . . . . . . . . . . . . . . . . .
TP310S S31008 0.08 2 0.045 0.03 1 24.0- 26 19.0- 22 0.8 . . . . . . . . . . . . . . .
TP310H S31009 0.04 – 0.1 2 0.045 0.03 1 24.0–26 19.0–22 . . . . . . . . . . . . . . .
TP310H S31035 0.04 – 0.1 0.6 0.025 0.015 0.4 21.5–23.5 23.5–26.5 . . . . . . 0.40- 0.6 0.20- 0.3 2.5- 3.5 . . . 0.002- 0.008
TP316 S31600 0.08 2 0.045 0.03 1 16.0–18 10.0–14 2.00–3 . . . . . . . . . . . . . . .
TP316L S31603 0.035 2 0.045 0.03 1 16.0–18 10.0–14 2.00–3 . . . . . . . . . . . . . . .
TP316H S31609 0.04 – 0.1 2 0.045 0.03 1 16.0–18 10.0–14 2.00–3 . . . . . . . . . . . . . . .
TP317 S31700 0.08 2 0.045 0.03 1 18.0–20 11.0–15 3.0–4 . . . . . . . . . . . . . . .
TP317L S31703 0.035 2 0.045 0.03 1 18.0–20 11.0–15 3.0–4 . . . . . . . . . . . . . . .
TP321 S32100 0.08 2 0.045 0.03 1 17.0–19 9.0–12 . . . Ti 5 × (C+N) min, 0.70 max . . . 0.1 . . . . . .
TP321H S32109 0.04 – 0.1 2 0.045 0.03 1 17.0–19 9.0–12 . . . 4(C+N) min; 0.70 max . . . 0.1 . . . . . .
TP321H S32654 0.02 2.0-4 0.03 0.005 0.5 24.0–25 21.0–23 7.0-8 . . . . . . 0.45- 0.55 0.30-0.6 . . .
TP321H S33228 0.04 – 0.08 1 0.02 0.015 0.3 26.0–28 31.0–33 . . . . . . 0.60- 1 . . . . . . 0.05 – 0.1 0.025
TP321H S34565 0.03 5.0-7 0.03 0.01 1 23.0–25 16.0–18 4.0-5 . . . 0.1 0.40- 0.6 . . . . . .
TP347 S34700 0.08 2 0.045 0.03 1 17.0–19 9.0–13 . . . . . . See Spec . . . . . . . . .
TP347H S34709 0.04 – 0.1 2 0.045 0.03 1 17.0–19 9.0–13 . . . . . . See Spec . . . . . . . . .
Alloy 20 N08020 0.07 2 0.045 0.035 1 19.0–21 32.0–38 2.0–3 . . . See Spec . . . 3.0– 4 . . . . . . . . .
Alloy 20 N08367 0.03 2 0.04 0.03 1 20.0–22 23.5–25.5 6.0–7 . . . . . . 0.18–0.25 0.75 . . . . . . . . .
Alloy 20 N08028 0.03 2.5 0.03 0.03 1 26.0–28 30.0–34 3.0–4 0.60–1.4
Alloy 20 N08029 0.02 2 0.025 0.015 0.6 26.0–28 30.0–34 4.0–5 0.6– 1.4

A312 TP321 Seamless Pipe often referred to as a marine grade stainless steel because of its effective resistance to chloride corrosion in comparison to other grades. It is an austenitic grade pipe with the addition of 2-3% molybdenum which further improves corrosion resistance. In this standard also has TP321H, which has high carbon content that for better high temperature creep property. Both TP321 and TP321H have lower strength requirements for pipe manufactured in nominal wall thicknesses greater than 3/8 in. [9.5 mm].

SS321 pipes have a good performance in high temperature, corrosive environment, and it also has excellent weldability. So they are very popular and available in wide range of industries.

Product Analysis

At the request of the purchaser, an analysis of one billet or one length of flat-rolled stock from each heat, or two pipes from each lot shall be made by the manufacturer. A lot of pipe shall consist of the following number of lengths of the same size and wall thickness from any one heat of steel:

ASME SA312 TP321 4 Inch Stainless Steel Seamless Pipe

Hydrostatic or Nondestructive Electric Test

Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test. The type of test to be used shall be at the option of the manufacturer, unless otherwise specified in the purchase order.

For pipe whose dimensions equal or exceed NPS 10, the purchaser, with the agreement of the manufacturer, may waive the hydrostatic test requirement when in lieu of such test the purchaser performs a system test. Each length of pipe furnished without the completed manufacturer’s hydrostatic test shall include with the mandatory markings the letters “NH.”

Nondestructive Electric Test:

Nondestructive electric tests shall be in accordance with Specification A 999/A 999M.

The grade 321 steel can be made into plates, sheets, and coils to be used in the following:

  • Food preparation equipment particularly in chloride environments.
  • Laboratory benches & equipment.
  • Coastal architectural panelling, railings & trim.
  • Boat fittings.
  • Chemical containers, including for transport.
  • Heat exchangers.
  • Woven or welded screens for mining, quarrying & water filtration.
  • Threaded fasteners.
  • Springs.

ASME SA312 TP321 4 Inch Stainless Steel Seamless Pipe


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