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Help CenterHigh Quality ASTM A53 DN600 Seamless Carbon Steel Pipe
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SAE1018 SAE1020 OD114MM diameter X WT 4.5MM carbon steel seamless pipe stock available
1. chemical composition and technicial property
|
Grade |
C |
Si |
Mn |
P |
S |
Yield Strength(mpa) |
Tensile Strength |
Elognation % |
|
sae1018 |
0.15-0.20 |
0.07-0.60 |
0.50-0.90 |
0.04max |
0.05max |
415 |
520 |
27 |
|
sae1020 |
0.17-0.24 |
0.20-0.60 |
0.35-0.65 |
0.035max |
0.035max |
490 |
540 |
28 |
| outer diameter: 12mm- 800mm; wall thickness: 2mm- 80mm | ||||||||
SAE1018 SAE1020 OD114MM diameter X WT 4.5MM carbon steel seamless pipe stock available
2. pipe picture
3. seamless steel pipe grades can be supplied
Seamless Steel pipe grades
|
Descriptions |
Grades |
|
Structural pipe |
20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2 SAE1018, SAE1020, SAE1518, SAE1045. |
|
Liquid pipe |
20# q295b-e, q345b-e |
|
High pressure boiler tube |
20G 15MnG 20MnG 15CrMoG, 12Cr1MoVG St35.8, sa106b, sa106c, sa210a, sa210c, A333P2, A333P11, A33P12, A333P22, A33P36, A333P91, A333P92, A335T2, A335T11, A335T12, A335T22, A335T91, A335T23, A335T9 |
|
Pipeline |
API SPEC 5L, X42, X52, X60, X65,X70,X80 ASTMA53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245 |
|
Alloy pipe |
4140, 42CrMo, 32CrMo, 15CrMo, |
|
Packing |
Black paint, Varnish painting, Tarpaulin packing |
|
End |
Common round end, beveled. |
|
Processing |
Galvanizing; cutting; making thread outside the pipe; Machining. |
4. seamless pipe production procedure and methods:
1. Hot rolled seamless steel pipe
using hot rolled steel pipe billet to make heating and piercing, elongating, sizing and stranghtening, cooling, finally hollow bars finished, this is the type most commonly used. Because it is hot rolled, so cost is lowest, but it is suit for large quantity, for small quantity, have to make cold drawn or round bar piercing. size: outer diameter 32mm- 499mm, wall thickness 4mm- 80mm
2. Cold drawn seamless steel pipe
for outer diameter not over than 63.5mm, small size hollow bar, when demanded quantity is under 5 tons, usually make cold drawn hollow bar, using larger size hot rolled hollow bar to draw to the size demanded.
some size can be finished only by one time drawing, but some other sizes might need twice or three times to finish drawing, it takes time, so the cost is higher.
cold drawn size outer diameter 16mm- 63.5mm
3. Hot- expanding seamless steel piper
For hollow bar sizes are special, not common sizes, have to use smaller thick wall hollow bar to hot expand to be larger size hollow bar, but the technical property for hot-expanded hollow bar will be lower than the original hollow bar. Size: outer diameter over 356mm.
5. seamless pipe detail:
6. seamless steel pipe stock picture:
7. steel pipe fabrication picture
steel pipe tube bending
steel pipe welding
8. name cards
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