304 Stainless Steel Pipes Manufacturer and Exporters

321 Stainless Steel Pipes | Tubes | Fittings

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Special Grades :  | ASTM A312 TP 304 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 304h Stainless Steel Seamless & Welded Pipe  |   ASTM A312 TP 304l Stainless Steel Seamless & Welded Pipe  |   ASTM A312 TP 310 Stainless Steel & Welded Seamless Pipe  |  ASTM A312 TP 310s Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 316 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 316h Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 316l Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 317 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 317h Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 317l Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 321 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 321h Stainless Steel Seamless & Welded Pipe  | ASTM A312 TP 347 Stainless Steel Seamless & Welded Pipe   |  ASTM A312 TP 347h Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 410 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 410 Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 904l Stainless Steel Seamless & Welded Pipe  |  ASTM A312 TP 904l Stainless Steel Seamless & Welded Pipe  |      

321 Stainless Steel Seamless Pipes & Tubes Useful Info

Pipe fittings in form of Bend, Elbow, Tee, Reducer, Cap, Stubend, Nipple, Union, Cross, Coupling, Socket, Plug, Sokolet, Weldolet, Thredolet, Elbolet, Nipolet Etc. with Manufacturers & IBR Test Certificate under Third Party Inspection. Lot of emphasis is placed on the packing and packaging . The 321 Stainless Steel Pipe Fittings are packed in wooden corrugated boxes foiled in plastic wraps and bubble wraps. Caps are made available to the ends on request of the buyer. All 321 Stainless Steel Pipe Fittings are offered with a NACE 3.1 Certification, Mill Test Certification and ISO 17025 Standards by a Government of India approved Laboratory. Positive Material Identification is done on all raw material procured at Red Earth Steels Pvt.Ltd..

TYPES OF PIPE FITTINGS:

SS Buttweld Pipe Fittings
SS Socket weld Pipe Fittings
SS Threaded Pipe Fittings
SS Forged Pipe Fittings

OTHER STAINLESS STEEL GRADE PIPE FITTINGS:

304 Stainless Steel Pipe Fittings
304L Stainless Steel Pipe Fittings
304H Stainless Steel Pipe Fittings
310 Stainless Steel Pipe Fittings
316 Stainless Steel Pipe Fittings
316H Stainless Steel Pipe Fittings
316L Stainless Steel Pipe Fittings
317 Stainless Steel Pipe Fittings
317L Stainless Steel Pipe Fittings
321 Stainless Steel Pipe Fittings
347 Stainless Steel Pipe Fittings
410 Stainless Steel Pipe Fittings
904L Stainless Steel Pipe Fittings

RANGE, SCHEDULES & TYPES
Range of Butt weld fittings 1/8” NB – 48” NB
Schedules of Butt weld fittings 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS with NACE Certifications
Types of Butt weld fittings Seamless, Welded & Fabricated

321 STAINLESS STEEL PIPE FITTINGS USEFUL INFO:

Type 321- the most common grade; the classic 18/8 (18% chromium, 8% nickel) stainless steel. Outside of the US it is commonly known as "A2 stainless steel", in accordance with ISO 3506 (not to be confused with A2 tool steel)

321 STAINLESS STEEL PIPE APPLICATION:

Red Earth Steels Pvt. Ltd. offer a broad range of 321 Stainless Steel pipe through a worldwide network of stock-keeping branches.these 321 Stainless Steel pipe is use in various application like
  • Aerospace Industry
  • Nuclear Power Plant Industry
  • Chemical Industry
  • Oil & Gas Industry
  • Refineries Industry
  • Petrochemical Industry
  • Paper Industry
  • Fertilizers Industry

 321 STAINLESS STEEL PIPE SPECIFICATION:

  • UNS = Unified Numbering System
  • TYPE = Commonly used grade name
  • AMS = Aerospace Society for Testing and Materials
  • ASTM = American Society for Testing and Materials
  • FEDERAL = Federal specifications
UNS
TYPE
AMS
ASTM
FEDERAL
CHARACTERISTICS
S32100
321
5645
A-276A-314

A-479

QQ-S-763
321 is a titanium stabilized 300 Grade to permit use in approximately 800° F to approximately 1500° F range, without harmful carbide precipitation. 321 is subject to intergranular corrosion.

 

321 Stainless Steel Pipe Chemical Composition

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

Other

321

min.

max

-

0.08

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

12.0

0.10

Ti=5

(C+N)

0.70

321H

min.

max

0.04

0.10

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

12.0

-

Ti=4

(C+N)

0.70

347

min.

max

0.08

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

13.0

-

Nb=

10

(C+N)

1.0

 

321 Stainless Steel Pipe 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

321

515

205

40

95

217

321H

515

205

40

95

217

347

515

205

40

92

201

321H also has a requirement for a grain size of ASTM No 7 or coarser.

 

321 Stainless Steel Pipe Physical Properties

Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion (µm/m/°C)

Thermal Conductivity (W/m.K)

Speci-

fic Heat 0-100°C (J/kg.K)

Elect-

rical Resistivity (nO.m)

0-

100°C

0-

315°C

0-

538°C

at

100°C

at

500°C

321

8027

193

16.6

17.2

18.6

16.1

22.2

500

720

 

Grade Specification Comparison

Grade specifications for 321 grade stainless steel

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

321

S32100

321S31

58B, 58C

1.4541

X6CrNiTi18-10

2337

SUS 321

321H

S32109

321S51

-

1.4878

X10CrNiTi18-10

-

SUS 321H

347

S34700

347S31

58G

1.4550

X6CrNiNb18-10

2338

SUS 347

These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

 

 

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