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Seamless Steel Tube and Pipe

Seamless steel tube is often seen on low and medium boilers, petroleum casing pipes, ships, fertilizer equipment, structures and hollow sucker rods. It can also be applied for transportation of fluid and petroleum cracking process.

The product sells well in China and it has also been exported to dozens of countries and regions including Southeast Asia, the Middle East, Europe, and America. Our product is well received at home and abroad.

Diameter
3/4"-3" (old drawing), 4"-12"(hot rolling), 12"(hot expanding)

Thickness
SCH30 SCH40, SCH80, SCH160, etc

Standards
ASTM, GB, API5 1, API5CT, DIN, JIS, etc

Technical Parameters
A53 Chemical Composition and Mechanical Properties
Standards Symbol Chemical Composition Mechanical Properties
C Si Mn P S Cu Ni Mo Cr V Tensile Strength (Mpa) Yield Strength (Mpa) Elongation(
%)
ASTM A53 A ≤0.25 / ≤0.95 ≤0.05 ≤0.06 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08 ≥330 ≥205 ≥29.5
B ≤0.30 / ≤1.2 ≤0.05 ≤0.06 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08 ≥415 ≥240 ≥29.5
A106 Chemical Composition and Mechanical Properties
Standards Symbol Chemical Composition Mechanical Properties
C Si Mn P S Cu Ni Mo Cr V Tensile Strength (Mpa) Yield Strength
(Mpa)
Elongation
( %)
ASTM
A106
B ≤0.30 ≥0.10 0.29~
1.06
≤0.035 ≤0.035 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08 ≥415 ≥240 ≥30
C ≤0.35 ≥0.10 0.29~
1.06
≤0.035 ≤0.035 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08 ≥485 ≥275 ≥30
API 5L Chemical Composition and Mechanical Properties PSL1
Type Chemical Composition Mechanical Properties
C
(Max)
Mn
(Max)
P
(Max)
S
(Max)
Tensile Strength Yield Strength
psi Mpa psi Mpa
A25 CL Ⅰ 0.21 0.6 0.03 0.03 45000 310 25000 172
CL Ⅱ 0.21 0.6 0.03 0.03
A 0.22 0.9 0.03 0.03 48000 331 30000 207
B 0.28 1.2 0.03 0.03 60000 414 35000 214
X42 0.28 1.3 0.03 0.03 60000 414 42000 290
X46 0.28 1.4 0.03 0.03 63000 434 46000 317
X52 0.28 1.4 0.03 0.03 66000 455 52000 359
X56 0.28 1.4 0.03 0.03 71000 490 56000 386
X60 0.28 1.4 0.03 0.03 75000 517 60000 414
X65 0.28 1.4 0.03 0.03 77000 531 65000 448
X70 0.28 1.4 0.03 0.03 82000 565 70000 483
A192 Chemical Composition and Mechanical Properties
Chemical Composition Mechanical Properties
Standards Symbol C Si Mn P S Cu Ni Mo Tensile Strength (Mpa) Yield Strength
(Mpa)
Elongation
( %)
ASTM A192 A192 0.06-
0.18
≤0.25 0.27-0.63 0.035 0.035 / / / ≥325 ≥180 ≥35
    1. Boiler Tubes

      Generally, seamless steel tube and pipe is used for construction of heating pipelines, production of containers and transportation of steam in low and medium boilers. 10 steel or 20 steel are often adopted for production of the pipe.

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