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Stainless pipes & tubes

Stainless Pipes and tubes are made from more than 20 steel grades of various corrosion resistance and are intended for application in conditions of a wide range of corrosion environments and temperatures in heat exchanger.

Heat resisting stainless steel pipe
Heat resisting stainless steel pipe
The auction is for 6 metre length of prime quality grade 409 stainless steel tubing with a 1.2mm wall thickness x 38.1mm (1 1/2 inch) diameter.
Stainless steel tube
Stainless steel tube
Stainless steel tube is typically measured by its outer diameter and can be used in a variety of applications including a number of structural applications.
Stainless steel tube for heat exchanger
Stainless heat exchanger tube
Heat exchanger tube in an extensive range of austenitic stainless steels for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and reheaters.
Stainless Steel Pipes
Stainless Steel Pipes
Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine.
Bright annealing tube
Bright annealing tube
Bright annealing tube under a reducing atmosphere or in a vacuum protection, after high temperature solid melting and rapid cooling to get the stainless steel tube...
Duplex Stainless Steel Pipe
Duplex Stainless Steel Pipe
While Duplex 2205 is the most common duplex product we supply, we can also deliver Duplex 2304 and Duplex 2207 with reduced lead times as these alloys are stocked.
U-bend or U-shape tubes
U-bend or U-shape tubes
Each U bend tube of our range is rigorously quality checked by our team..
Stainless steel pipes for oil cracking
Stainless pipes for oil cracking
Manufactuer of Stainless steel pipes for oil cracking
Stainless steel oval pipe
Stainless steel oval pipe
Stainless steel oval tube offered in grades 304 and 316 in a wide choice of sizes. All to order, with a large range on the shelf.
Austenitic stainless steel
Steel No. Standard No. Type Chemical composition Other
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
00Cr17Ni14Mo2 GB1220 Bar 0.03 1 0.03 0.035 2 16-18 12-15 2-3 480 177 40 187 ψ%:60
00Cr17Ni14Mo2 GB4237 Plate 0.03 1 0.03 0.035 2 16-18 12-15 2-3 480 177 40 187
00Cr17Ni14Mo2 GB/T14976 Pipe 0.03 1 0.03 0.035 2 16-18 12-15 2-3 480 175 35
00Cr19Ni10 GB1220 Bar 0.03 1 0.03 0.035 2 18-20 8-12 480 177 40 187 ψ%:60
00Cr19Ni10 GB4237 Plate 0.03 1 0.03 0.035 2 18-20 8-12 480 177 40 187
00Cr19Ni10 GB/T14976 Pipe 0.03 1 0.03 0.035 2 18-20 8-12 480 175 35
0Cr17Ni12Mo2 GB1220 Bar 0.8 1 0.03 0.035 2 16-18.5 10-14 2-3 520 205 40 187 ψ%:60
0Cr17Ni12Mo2 GB4237 Plate 0.8 1 0.03 0.035 2 16-18 10-14 2-3 520 205 40 187
0Cr17Ni12Mo2 GB/T14976 Pipe 0.8 1 0.03 0.035 2 16-18.5 10-14 2-3 520 205 35
0Cr18Ni9 GB1220 Bar 0.7 1 0.03 0.035 2 17-19 8-11 520 205 40 187 ψ%:60
0Cr18Ni9 GB4237 Plate 0.7 1 0.03 0.035 2 17-19 8-11 520 205 40 187
0Cr18Ni9 GB/T14976 Pipe 0.7 1 0.03 0.035 2 17-19 8-11 520 205 35
0Cr18Ni10Ti GB1220 Bar 0.8 1 0.03 0.035 2 17-19 9-12 Ti:5C 520 205 40 187 ψ%:50
0Cr18Ni10Ti GB4237 Plate 0.8 1 0.03 0.035 2 17-19 9-12 Ti:5C 520 205 40 187
0Cr18Ni10Ti GB/T14976 Pipe 0.8 1 0.03 0.035 2 17-19 9-12 Ti:5C 520 205 35
0Cr18Ni12Mo2Ti GB1220 Bar 0.8 1 0.03 0.035 2 16-19 11-14 1.8-2.5 Ti:5C-0.7 530 205 40 187 ψ%:55
0Cr18Ni12Mo2Ti GB4237 Plate 0.8 1 0.03 0.035 2 16-19 11-14 1.8-2.5 Ti:5C-0.7 530 205 37 187
0Cr18Ni12Mo2Ti GB/T14976 Pipe 0.8 1 0.03 0.035 2 16-19 11-14 1.8-2.5 Ti:5C-0.7 530 205 35
1Cr18Ni9 GB4237 Plate 0.15 1 0.03 0.035 2 17-19 8-10 520 205 40 187
1Cr18Ni9 GB5310 Pipe 0.15 1 0.03 0.035 2 17-19 8-10 Cu:0.2 520 205 35
0Cr25Ni20 GB1220 Bar 0.08 1 0.03 0.035 2 24-26 19-22 520 206 40 187
ASTM A312/A312M
Steel No. Type Chemical composition
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
TP304 0.08 0.75 0.03 0.04 2 18-20 8-11 515 205 35
TP304H 0.04-0.1 0.75 0.03 0.04 2 18-20 8-11 515 205 35
TP304L 0.035 0.75 0.03 0.04 2 18-20 8-13 485 170 35
TP316L 0.035 0.75 0.03 0.04 2 16-18 10-15 2-3 485 170 35
TP321 0.08 0.75 0.03 0.04 2 17-20 9-13 Ti:5C%-0.7 515 205 35
ASTM A312 Mechanical Property:
Steel Grade Heat Treatment Temperure Min. º F(º C) Tensile Strength Ksi (MPa), Min. Yield Strength Ksi (MPa), Min. Elongation %, Min
TP304 Solution 1900 (1040) 75(515) 30(205) 35
TP304L Solution 1900 (1040) 70(485) 25(170) 35
TP304H Solution 1900 (1040) 75(515) 30(205) 35
TP310S Solution 1900 (1040) 75(515) 30(205) 35
TP316 Solution 1900(1040) 75(515) 30(205) 35
TP316L Solution 1900(1040) 70(485) 25(170) 35
TP316H Solution 1900(1040) 75(515) 30(205) 35
TP316Ti Solution 1900(1040) 75(515) 30(205) 35
TP321 Solution 1900(1040) 75(515) 30(205) 35
TP321H Solution Cold: 2000(1100) Hot: 1925(1050) 75(515) 30(205) 35
TP347 Solution 1900(1040) 75(515) 30(205) 35
TP347H Solution Cold: 2000(1100) Hot: 1925(1050) 75(515) 30(205)
ASTM A312 Equivalent steel grade:
ASTM A312 JIS G3459 DIN 17440 BS NF
TP304 SUS 304 TP X5CrNi 18 9 304S18 A 49-230
TP304H SUS 304 HTP 304S59 A 49-214
TP310 304 LTP X2 CrNi 19 9 304S14 A 49-230
TP316 SUS 304L TP
TP316H 310STP X5 CrNiMo 18 10 316S18 A 35-573
TP316L SUS 316 TP 316S59 A 49-230
TP321 SUS 316 LTP X2 CrNiMo 18 10 316S14 A 49-230
TP347 316 HTP x10 CrNiTi 18 9 321S18 A 49-230
TP347H SUS 316 LTP X5 CrNiNb 18 9 347S18 A 35-573
Nominal wall thickness for ASTM A312(Seamless and straight seame welded steel pipes)
NPS ASTM A312  WT Tolerance, %
+
1/8-2 1 /2 20.0 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15.0 12.5
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15.0 12.5
ASTM A312 Stainless Steel Pipes OD Tolerance
NPS ASTM A312  OD Tolerance
+
inch mm inch mm
1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) 0.4 0.8 1.6 2.4 3.2 4.0 4.8 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 0.8 0.8 0.8 0.8 0.8 0.8 0.8


About Sunny Steel

Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

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