303 Stainless Steel Pipe & Tube

 

 

 

303 Stainless Steel Pipe

 

Standards – Alloy 303
ASTM/ASME ……………. UNS S30300 EURONORM ……………. FeMi35Cr20Cu4Mo2 DIN ………………………… 2.4660


Standards
Standards
Seamless
Welded
ASTM
A 269 / 312/ 213
A 269 / 312 / 358 / 249 / 409 / 778

 

Clients face the following Problems while buying 303 Stainless Steel pipe :
  • Non availability
  • Size not as per requirement
  • Amorphous shaped bar
  • Black finish
  • Poor delivery schedules
  • Unprofessional Packing


303 Stainless Steel pipe Application
  • Aerospace Industry
  • Nuclear Power Plant Industry
  • Chemical Industry
  • Oil & Gas Industry
  • Refineries Industry
  • Petrochemical Industry
  • Paper Industry
  • Fertilizers Industry

 

Additional Services
We provide the following Additional services to the clients, besides the solving the incumbent problems the clients face.
  • Fastest Delivery of the goods
  • Over 80 Tons of Stainless Steel pipe in ready stock
  • Excellent surface finish
  • Product replacement guarantee
  • MTC in accordance with EN10204
  • Stringent quality and testing of goods with NACE 3.1 & 3.2 Requirements

 

303 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
S30300
303
5640
A-314A-582
-
Atmospheric corrosion resistance with improved mechanical properties. 303 is a 300 Grade with increased sulfur for good machinability.

 

 
303 Stainless Steel pipe Chemical Composition
 
%
Cr
Ni
C
Si
Mn
P
S
Mo
Fe
303
min: 17.0 max:19.0
min: 8.0 max: 10.0
0.15 max
1.00 max
2.0 max
0.20 max
0.15 min
0.75
balance
 

 

303 Stainless Steel pipe Mechanical Properties
 
Grade
Tensile Strengtdksi (min.)
Yield Strengtd 0.2%Offset ksi (min.)
Elongation -% in 50 mm (min.)
Hardness(Brinell) MAX
Hardness(Rockwell B) MAX
303
75
30
35
228

 

 
303 Stainless Steel pipe Physical Properties
 
Denstiy lbm/in3
Coefficient of thermal Expansion (min/in)-°F
ElectricalResistivity mW-in
thermal Conductivity BTU/hr-ft-°F
Melting Range
at 68°F
at 68 – 212°F
at 68 – 932°F
at 68 – 1450°F
at 68
°F
at 212
°F
at 392°F
at 752
°F
at 1112
°F
at 1472°F
at 68–212°F
0.29
9.2
10.4
10.9
28.3
30.7
33.8
39.4
43.7
47.6
113.2
2552°F
 

 

Grade Specification Comparison
Grade specifications for 303 grade stainless steel

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

303

S30300

303S31

58M

1.4305

X8CrNiS18-9

2346

SUS 303

303Se

S30323

303S42

-

-

-

-

SUS 303Se

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.