6MO Stainless Steel Pipe

SA213 UNS S31254 254 SMO tubing manufacturer and supplier in China

Table of contents

254 SMO Pipe specifications

Trade Name
  • 254 SMO Pipe
  • 6MO Pipe
Grades EN 1.4547 / UNS S31254 (F44).
American Specification
  • ASTM A213 UNS S31254
  • ASME SA 213 UNS S31254
Size range 1/8” to 48”, 6MO Seamless Pipes up to 24”.
Outer Diameter (OD) 0.3mm - 10mm.
Wall Thickness 0.4mm up to 30.00 mm
Pipe Schedules Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH.
Hardness Soft, Hard, Quarter Hard, Half Hard, Spring Hard etc.
Surface Finishing Bright, Polish & Black
Manufacturer of Fully annealed seamless or welded and drawn alloy (254, 925, 926, AL6XN) hydraulic tubing as per ASTM A269 or ASTM A213

6MO Pipe equivalent

STANDARD Alloy UNS WERKSTOFF NR. AFNOR EN JIS SIS GOST
SMO 254 6Mo S31254 1.4547 Z1 CNDU 20.18.06Az X1CrNiMoCuN20-18-7 - 2378 -

ASTM A213 S31254 Tubing mechanical properties

Temper Annealed
Tensile Stress Rm 98 ksi (min)
Tensile Stress Rm 675 MPa (min)
R.p. 0.2% Yield 45 ksi (min)
R.p. 0.2% Yield 310 MPa (min)
Elongation
(2” or 4D gl)		 35 % (min)

254 SMO Tube Standard

ASTM USA Ameirican Society of Mechanical Engineers
UNS USA Unified Numbering System
AISI USA Acronym of American Iron and Steel Institute
DIN GERMANY Deutsches Institut für Normung e.V.
JIS JAPAN Japanese Industrial Standards

Types of A213 S31254 254 smo 6mo tube

6mo instrumention tubing

6mo instrumention tubing

UNS S31254 6mo tubing

UNS S31254 6mo tubing

254 SMO Pipe

254 SMO Pipe

DIN 1.4547 6MO Pipe

DIN 1.4547 6MO Pipe

ASTM A213 S31254 Tubing

ASTM A213 S31254 Tubing

254 SMO Tube

254 SMO Tube

A213 S31254 254 smo 6mo tube

A213 S31254 254 smo 6mo tube

UNS S31254 Pipe

UNS S31254 Pipe

6MO Stainless Steel Pipe

6MO Stainless Steel Pipe

ASTM A213 UNS S31254 6MO Tubing

ASTM A213 UNS S31254 6MO Tubing

254 SMO seamless pipe

254 SMO seamless pipe

SA213 UNS S31254 Hydraulic Tube

SA213 UNS S31254 Hydraulic Tube

UNS S31254 Pipe Weight and dimensions

NPS size DN
mm		 OD
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness inches (mm) Wall Thickness
inches (mm)		 Wall Thickness
inches (mm)
- - - SCH 5s SCH 5 SCH 10s SCH 10 SCH 20 SCH 30 SCH 40s SCH 40/STD SCH 60 SCH 80s SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 XXS
⅛ 6 0.405" (10.29) 0.035" (0.889) 0.049" (1.245) 0.057" (1.448) 0.068" (1.727) 0.095" (2.413) - - -
¼ 8 0.540" (13.72) 0.049" (1.245) 0.065" (1.651) 0.073" (1.854) 0.088" (2.235) 0.119" (3.023) - - -
⅜ 10 0.675" (17.15) 0.049" (1.245) 0.065" (1.651) 0.073" (1.854) 0.091" (2.311) 0.126" (3.200) - - -
½ 15 0.840" (21.34) 0.065" (1.651) 0.083" (2.108) - 0.109" (2.769) 0.147" (3.734) - 4.78mm 0.294" (7.47)
¾ 20 1.050" (26.67) 0.065" (1.651) 0.083" (2.108) 2.41mm 0.113" (2.870) 0.154" (3.912) - 5.56mm 0.308" (7.823)
1 25 1.315" (33.40) 0.065" (1.651) 0.109" (2.769) 2.90mm 0.133" (3.378) 0.179" (4.547) - 6.35mm 0.358" (9.093)
1¼ 32 1.660" (42.16) 0.065" (1.651) 0.109" (2.769) 0.117" (2.972) 0.140" (3.556) 0.191" (4.851) - 6.35mm 0.382" (9.703)
1½ 40 1.900" (48.26) 0.065" (1.651) 0.109" (2.769) 0.125" (3.175) 0.145" (3.683) 0.200" (5.080) - 7.14mm 0.400" (10.160)
2 50 2.375" (60.33) 0.065" (1.651) 0.109" (2.769) 0.125" (3.175) 0.154" (3.912) 0.218" (5.537) 0.250" (6.350) 8.74mm 0.436" (11.074)
2½ 65 2.875" (73.02) 0.083" (2.108) 0.120" (3.048) 0.188" (4.775) 0.203" (5.156) 0.276" (7.010) 0.300" (7.620) 0.344" (8.738) 0.552" (14.021)
3 80 3.500" (88.90) 0.083" (2.108) 0.120" (3.048) 0.188" (4.775) 0.216" (5.486) 0.300" (7.620) 0.350" (8.890) 0.438" (11.13) 0.600" (15.240)
3½ 90 4.000" (101.60) 0.083" (2.108) 0.120" (3.048) 0.188" (4.775) 0.226" (5.740) 0.318" (8.077) - - 0.636" (16.154)
4 100 4.500" (114.30) 0.083" (2.108) 0.120
" (3.048)		 - 0.188 in
(4.775)		 0.237" (6.02) 0.281
" (7.137)		 0.337" (8.560) - 0.437
" (11.13)		 - 0.531
" (13.49)		 -
4½ 115 5.000" (127.00) - - - - 0.247" (6.274) - 0.355" (9.017) - - - - -
5 125 5.563" (141.30) 0.109" (2.769) 0.134" (3.404) - - 0.258" (6.553) - 0.375" (9.525) - 0.500
" (12.70)		 - 0.625 
" (15.875)		 -
6 150 6.625" (168.27) 0.109" (2.769) 0.134" (3.404) - - 0.280" (7.112) - 0.432" (10.973) - 0.562
" (14.27)		 - 0.719
" (18.263)		 -
8 200 8.625" (219.08) 0.109" (2.769) 0.148" (3.759) 0.250" (6.35) 0.277
" (7.036)		 0.322" (8.179) 0.406" (10.312) 0.500" (12.70) 0.593" (15.09) 0.718" (18.2 6mm) 0.812" (20.62mm) 0.906
" (23.01)		 -
10 250 10.75" (273.05) 0.134" (3.404) 0.134" (3.404) 0.165" (4.191) 0.165" (4.191) 0.250" (6.350) 0.307" (7.798) 0.365" (9.271) 0.365" (9.271) 0.500" (12.700) 0.500" (12.700) 0.593" (15.062) 0.718" (18.237) 0.843" (21.412) 1.000" (25.400) 1.125" (28.575) -
12 300 12.75" (323.85) 0.156" (3.962) 0.165" (4.191) 0.180" (4.572) 0.180" (4.572) 0.250" (6.350) 0.330" (8.382) 0.375" (9.525) 0.406" (10.312) 0.500" (12.700) 0.500" (12.700) 0.687" (17.450) 0.843" (21.412) 1.000" (25.400) 1.125" (28.575) 1.312" (33.325) -
14 350 14.00" (355.60) 0.156" (3.962) 0.156" (3.962) 0.188" (4.775) 0.250" (6.350) 0.312" (7.925) 0.375" (9.525) 0.375" (9.525) 0.437" (11.100) 0.593" (15.062) 0.500" (12.700) 0.750" (19.050) 0.937" (23.800) 1.093" (27.762) 1.250" (31.750) 1.406" (35.712) -
16 400 16.00" (406.40) 0.165" (4.191) 0.165" (4.191) 0.188" (4.775) 0.250" (6.350) 0.312" (7.925) 0.375" (9.525) 0.375" (9.525) 0.500" (12.700) 0.656" (16.662) 0.500" (12.700) 0.843" (21.412) 1.031" (26.187) 1.218" (30.937) 1.437" (36.500) 1.593" (40.462) -
18 450 18.00" (457.20) 0.165" (4.191) 0.165" (4.191) 0.188" (4.775) 0.250" (6.350) 0.312" (7.925) 0.437" (11.100) 0.375" (9.525) 0.562" (14.275) 0.750" (19.050) 0.500" (12.700) 0.937" (23.800) 1.156" (29.362) 1.375" (34.925) 1.562" (39.675) 1.781" (45.237) -
20 500 20.00" (508.00) 0.188" (4.775) 0.188" (4.775) 0.218" (5.537) 0.250" (6.350) 0.375" (9.525) 0.500" (12.700) 0.375" (9.525) 0.593" (15.062) 0.812" (20.625) 0.500" (12.700) 1.031" (26.187) 1.280" (32.512) 1.500" (38.100) 1.750" (44.450) 1.968" (49.987) -
24 600 24.00" (609.60) 0.218" (5.537) 0.218" (5.537) 0.250" (6.350) 0.250" (6.350) 0.375" (9.525) 0.562" (14.275) 0.375" (9.525) 0.687" (17.450) 0.968" (24.587) 0.500" (12.700) 1.218" (30.937) 1.531" (38.887) 1.812" (46.025) 2.062" (52.375) 2.343" (59.512) -
- - - SCH 5s SCH 5 SCH 10s SCH 10 SCH 20 SCH 30 SCH 40s SCH 40/STD SCH 60 SCH 80s SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 XXS

6MO Stainless Steel Pipe Price in China

254 SMO 6MO Tube Price List ex Mumbai

Origin of material China INR
(Price per kg)		 USA USD
(Price per kg)		 Europe Euro
(Price per kg)
China Rs 1200/- $17 €14
Japan Rs 1400/- $21 €18
Europe Rs 1500/- $22 €19
USA Rs 1600/- $24 €20

ASTM A213 UNS S31254 material composition

Type UNS Werkstoff (EN) C Si Mn P S Cr Ni Mo Cu N
6mo Tubing S31254 1.4547 <0.02 0.7 1 0.03 0.01 20 18 6.1 0.75 0.2

6MO Tubing pressure rating

Metric Alloy 6Mo Tubing Suggested Allowable Working Pressure

  Tube Wall Thickness, mm  

Tube OD mm

 0.8

 1.0

 1.2

1.5

 1.8

 2.0

 2.2

 2.5

Fitting Series
  Working Pressure, bar  

6

430

580

740

980

 

 

 

 

6M0

8

 

420

530

710

 

 

 

 

8M0

10

 

330

420

550

700

790

 

 

10M0

12

 

270

340

450

570

650

 

 

12M0

14

 

210

270

365

365

 

 

 

14M0

15

 

200

250

340

365

365

 

 

15M0

16

 

 

240

320

365

365

 

 

16M0

18

 

 

210

280

350

365

 

 

18M0

20

 

 

190

250

310

310

 

 

20M0

22

 

 

170

220

280

310

310

 

22M0

25

 

 

 

 

250

280

310

310

25M0

SA213 UNS S31254 Hydraulic and instrumention tubing physical properties

Specific Heat (0-100°C) 500 J.kg-1.°K-1
Thermal Conductivity 14 W.m -1.°K-1
Thermal Expansion 16.5 μm/μm/°C
Modulus Elasticity 196 GPa
Electrical Resistivity 8.5 μohm/cm
Density 8.0 g/cm3

6 MO Tubing with 316 fittings

6 MO Tubing with 316 fittings

Why choose 6MO tube with 316 fitting?

Why choose 6MO tube with 316 fitting?

6 MO Tubing sizes

Wall Thickness Sizes ( O.D.)
.010 1/16" , 1/8" , 3/16"
.020 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012 1/8"
.016 1/8" , 3/16"
.028 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134 1"
.250 3"
.375 3 1/2"