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254 SMO Pipe Supplier in India

254 SMO Pipe

ASTM A312 UNS S31250 Seamless Tube Manufacturer in Mumbai


Why 254 SMO Pipe Mostly Used For Marine and Offshore Applications?

  • Excellent Weldability
  • High Strength
  • Good Toughness
  • Versatility in Applications
  • Excellent Corrosion Resistance
  • Superior Weldability

Table of Content


SMO 254 Stainless Steel Material Welded Pipe Specification

ASTM A312 UNS S31254 pipe specification table

Material grade
  • UNS S31254



Manufacturing type
  • seamless pipe
  • Welded pipe
  • ERW pipe
  • EFW pipe
PREN
  • > 43



Solution treatment & annealing of SMO 254 pipe
  • 2100-2200°C

UNS S31254 round pipe equivalent standard
  • UNS : S31254
  • EN : 1.4547
Inventory delivery time
  • 3-5 days


Delivery time (If not in Stock)
  • 10-12 days
Manufacturing tolerance of 254 smo material
  • ±12.5%
Alloy 254 SMO Material MTC
  • EN 10204 type 3.1
A312 S31254 bright annealed pipe Treatment
  • Cleaned
  • Precleaned
  • Pickled (As per ASTM A380)
  • Passivated


Need urgent delivery for 1.4547 Material
  • Get Quick Quote & delivery by Air, mail us at info@namanpipe.com




Origin of material
  • European
  • Japanese
  • USA
  • Korean
  • Ukraine
  • Indian
  • Russian
A312 UNS S31254 SMLS pipe pickling and passivation
  • ASTM A380 (descaled and acid cleaned)
  • Pickling not required for Machined surface
Delivery state choice
  • Cold rolled / cold drawn
  • Annealed
  • Pickled
  • Polished
  • Sand blasted
SMO 254 solution annealed pipe surface finish
  • Cleaned
  • Pickled (As per ASTM A380)
  • Passivated
  • Precleaned

Value added services offer by Naman pipe & tubes
  • Threading
  • Beveling
  • Polishing
  • Cutting


254 SMO seamless pipe Welding methods
  • GTAW welding
  • TIG
  • SAW welding
  • Plasma


Marking as per MSS-SP-25
  • Identification and marking of pipe
  • Specification and grade of material.
  • SMO 254 EFW welded pipe shall be marked by vibro-etching.
  • Heat Number & Batch Number.
  • The nominal pipe size (NPS).
  • Sizes & wall thickness
Manufacturing process
  • Hot finished
  • Cold finished





Mechanical test of UNS S31254 pipe
  • Reverse flattening test
  • Tension test
  • Hardness test
  • 100% PMI tested
  • Flange test (for SMO 254 welded pipe)
Types of Alloy 254 pipe
  • SMO 254 ERW pipe
  • 254 SMO seamless pipe
  • DIN 1.4547 welded pipe




Uses & applications
  • Desalination plants
  • Seawater systems
  • Heat exchangers
  • Subsea pipework systems

Refer 254 SMO Tube Equivalent Material and Welding Procedure

254 SMO Material Equivalent

Standard DIN AFNOR UNS SIS EN
SMO 254 1.4547 Z1 CNDU 20.18.06Az S31254 2378 X1CrNiMoCuN20-18-7

Welding Methods of SMO 254 Pipe

SMAW, TIG, MMA, GTAW, GMAW, MIG

  • AWS A5.14 ERNiCrMo-3
  • AWS A5.14 ERNiCrMo-13
  • AWS A5.11 ENiCrMo-13
  • AWS A5.11 ENiCrMo-3
Check DIN 1.4547 ERW Tubing Chemical Composition and Weight Chart

A312 UNS S31254 pipe chemical composition

Ni
Nickel

 8.0
A312 UNS S31254 pipe chemical composition
C
Carbon

0.02
Mo
Molybdenum

 4.0
Cr
chromium

25
N
Nitrogen

0.27
Others

-

254 SMO pipe supplier in India provide non standrad sizes as per drawing

Weight Chart of 254 SMO Stainless Steel Pipe

NPS OD Schedule Weight
inch Kg/Mtr
1/2 0.084 40 STD 1.02
3/4 1.005 40 STD 1.06
1 1.0315 40 STD 2.05
1 1/4 1.066 40 STD 3.03
1 1/2 1.09 40 STD 4
2 2.0375 40 STD 5.04
2 1/2 2.0875 40 STD 8.0
3 3.05 40 STD 11.0
4 4.05   16
6 6.0625   19.02
8 8.0625   25.0
10 10.075   31
12 12.075   37
14 14   41.03
16” 16   47.0
18 18   61.0
20 20   78.05
24 24   94.04
30 30   118
36 36   142
42 42   206
48 48 STD 284.011

254 SMO pipe manufacturer in India provide various schedule such as 5, 10, 40 upto 160

Buy Ultrasonic Tested 254 SMO SS Bright Annealed Pipe As Per ISO 15156 Standard

Testing requirements and documentation of 1.4547 steel annealed pipe

European Standard
  • EN 10297-2 (seamless tubing)
  • EN 10312 (welded tubing)
  • EN 10216-5 (seamless & welded tubing)
  • EN 10296-2 (welded tubing)
  • EN 10217-7 (welded tubing)
Dimensional standard
  • ASME B36.19M





OD & ID american standard
  • ASTM A312 UNS S31254





Testing methods
  • NACE TM 0177 (Stress Corrosion Cracking in H2S environments)
  • Corrosion test as per ISO 17781
  • Microstructure examination as per ISO 17781
  • Microstructure examination (ISO 17781)
  • NACE MR0103/ ISO 17945 (Resistant to Sulfide Stress Cracking)\
  • NACE MR0175/ ISO 15156 (H2S Containing Environments)
  • NACE SP0391 (Sulphuric Acid)
  • Charpy impact testing (ISO 17781)


Support documents list with each delivery
  • Purchase Requisitions
  • Manufacturing, testing and inspection procedures
  • NDE Procedure, PMI Procedure, Testing Procedures & PWHT Procedure.
  • Nonconformance records & Listing of applicable and authorized concessions.
  • Galvanizing certificates
  • NDE, PMI including overlay NDE, thickness check, Ferrite check,
  • HIC test certificates
  • Hardness testing & Impact test result
  • Cross Sectional Assembly Drawings
  • Calculation reports & Welding Procedures

Sizes and strength of 254 SMO Pipe

254 SMO Pipe specification
OD
  • SMO 254 pipe OD : 0.3mm to 10mm
ID
  • 8.8 TO 150.0

Length
  • Upto 6 mtrs
  • Custom / Cut to size
Wall thickness
  • 0.4 to 30mm

DIN 1.4547 seamless pipe material Tensile Strengths
  • 650 to 850 MPa
254 SMO stainless steel pipe yield strength
  • 300 Mpa
Custom size/ cut to length
  • Mail us at info@namanpipe.com












Schedule chart
  • SCH5/5S
  • SCH10S
  • SCH10
  • SCH20
  • SCH30
  • SCH40S/STD
  • SCH40
  • SCH60
  • SCH80S/XS
  • SCH80
  • SCH100
  • SCH120
  • SCH140
  • SCH160

ASME SA312 UNS S31254 seamless tube mechanical properties

Hardness (HB) MAX
270

 
ASME SA312 UNS S31254 seamless tube mechanical properties
Tensile strength Mpa min
750
Yield strength Mpa min
550

 
Elogation %
25

A312 UNS S31254 SMLS pipe tensile and hardness

Tensile Hardness
650 to 850 MPa 260 HB

Types of 254 SMO Pipe

SMO 254 seamless pipe

SMO 254 seamless pipe

A312 UNS S31254 EFW pipe

A312 UNS S31254 EFW pipe

254 SMO welded pipe

254 SMO welded pipe

EN 1.4547 square pipe

EN 1.4547 square pipe

ASTM A312 UNS S31254 ERW pipe

ASTM A312 UNS S31254 ERW pipe

254 SMO stainless steel round pipe

254 SMO stainless steel round pipe

SA 312 UNS S31254 rectangular pipe

SA 312 UNS S31254 rectangular pipe

Alloy 254 SMO solution annealed pipe

Alloy 254 SMO solution annealed pipe

A312 S31254 cold finished pipe

A312 S31254 cold finished pipe

1.4547 steel hot finished pipe

1.4547 steel hot finished pipe

UNS S31250 bright annealed pipe

UNS S31250 bright annealed pipe

SA 312 S31254 electropolish pipe

SA 312 S31254 electropolish pipe

Stress corrosion cracking of 254 SMO steel welded pipe

SCC tests in boiling 25% NaCl solution, pH=1.5

Grade Time to failure Remark
254 SMO No failure (1000 h) No attack

Alloy 254 boiler pipe Thermal Properties

Properties Metric
Thermal expansion co-efficient (@20-100°C/68-212°F) 16.5 µm/m°C
Thermal conductivity 14 W/mK

Physical Properties of 254 SMO stainless steel electropolish pipe

Density (Kg/m3) 8000
Magnetic Permeability (20°C) <1.05
Young’s Modulus (kN/mm2) 200
Mean coefficient of thermal expansion, 20-100°C (m/m/degC) 16.5
Specific Heat, 20°C (J/kg.K) 500
Thermal conductivity, 20°C (W/m.K) 13.5
Specific Electrical Resistance, 20°C (Ω-m) 0.85

6MO pipe annealing and hot working

Annealing Hot working
1149-1204 °C 982 - 1149 °C

Pressure rating of DIN 1.4547 pipe

Dimensions: wall tolerance: ± 10%, OD 3mm x 0.5mm

Grade Maximum internal pressure, bar
  20°C 50°C 100°C 150°C 200°C 250°C 300°C 350°C 400°C
1.4547
(254 SMO)		 1072 964 851 772 709 668 630 614 599

A312 S31254 bright annealed pipe corrosion testing

STEEL GRADE CORROSION TEST TEST CONDITIONS ACCEPTANCE CRITERIA
UNS S31254 ASTM G48 Method A Test temperature:50°C Test duration:48 hours No pitting at 20X magnification. Weight loss shall be less than 4.0g/m2