Recently, C&N produced a batch of A358 Gr.TP304 304L welded stainless steel pipes. This batch of heavy thickness weld stainless steel pipes, the wall thickness is approximately 1.812 inches (SCH 160 grade). Nominal diameter is 48 inches. Our specialists fabricate ASME SA358 Gr. 304L welded pipes in compliance with international quality standards, using high-grade materials. ASTM A358 Grade 304L EFW pipes are tested on various parameters such as strength, durability, temperature and pressure resistance, etc. ASTM A358 TP304L stainless steel EFW pipe is suitable for corrosive or high-temperature service, and we can provide these TP304L ASTM A358 stainless steel EFW welded pipes. ASME SA358 Grade 304L stainless steel EFW pipes are widely used in the manufacture of boilers, pressure vessels,…
Recently, C&N produced a batch of A358 Gr.TP304 304L welded stainless steel pipes. This batch of heavy thickness weld stainless steel pipes, the wall thickness is approximately 1.812 inches (SCH 160 grade). Nominal diameter is 48 inches. Our specialists fabricate ASME SA358 Gr. 304L welded pipes in compliance with international quality standards, using high-grade materials. ASTM A358 Grade 304L EFW pipes are tested on various parameters such as strength, durability, temperature and pressure resistance, etc. ASTM A358 TP304L stainless steel EFW pipe is suitable for corrosive or high-temperature service, and we can provide these TP304L ASTM A358 stainless steel EFW welded pipes. ASME SA358 Grade 304L stainless steel EFW pipes are widely used in the manufacture of boilers, pressure vessels, and heat exchangers for fertiliser plants, chemical plants, petroleum refineries, and power generation plants. Industries predominantly using this ASTM A358 304L EFW pipe include nuclear and power, and general engineering.
Heavy Thickness Weld Stainless Steel Pipes
Typical compositional ranges for grade 304 stainless steels Pipes
Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
304
min.
–
–
–
–
–
18.0
–
8.0
–
max.
0.08
2.0
0.75
0.045
0.030
20.0
10.5
0.10
304L
min.
–
–
–
–
–
18.0
–
8.0
–
max.
0.030
2.0
0.75
0.045
0.030
20.0
12.0
0.10
304H
min.
0.04
–
–
-0.045
–
18.0
–
8.0
–
max.
0.10
2.0
0.75
0.030
20.0
10.5
Mechanical Properties of 304 grade stainless steel
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
304
515
205
40
92
201
304L
485
170
40
92
201
304H
515
205
40
92
201
304H also has a requirement for a grain size of ASTM No 7 or coarser.
Physical properties of 304 grade stainless steel in the annealed condition
Grade
Density (kg/m3)
Elastic Modulus (GPa)
Mean Coefficient of Thermal Expansion (μm/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat 0-100°C (J/kg.K)
Electrical Resistivity (nΩ.m)
0-100°C
0-315°C
0-538°C
at 100°C
at 500°C
304/L/H
8000
193
17.2
17.8
18.4
16.2
21.5
500
720
Grade specifications for 304 grade stainless steel
Grade
UNS No
Old British
Euronorm
Swedish SS
Japanese JIS
BS
En
No
Name
304
S30400
304S31
58E
1.4301
X5CrNi18-10
2332
SUS 304
304L
S30403
304S11
–
1.4306
X2CrNi19-11
2352
SUS 304L
304H
S30409
304S51
–
1.4948
X6CrNi18-11
–
–
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.
C&N Industiral,huitong limtied is professional pipe,flange and fitting manufacturer,our products approved by PDO, SADARA, SWCC,PDO etc.
