Carbon Steel Pipes

Seamless, welded, ERW, LSAW, SSAW and boiler tubes from China's leading carbon steel pipe supplier

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Pipe Products

Comprehensive range of carbon steel pipes for every industrial application

Seamless Carbon Steel Pipe

OD: 3 – 800 mm
Standard: ASTM A106 / A53

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Welded Carbon Steel Pipe

OD: 6 – 3000 mm
Standard: ASTM A53 / A500

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ERW Pipe

OD: 21.3 – 660 mm
Standard: ASTM A53 / API 5L

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LSAW Pipe

OD: 406 – 1626 mm
Standard: ASTM A53 / API 5L

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SSAW Pipe

OD: 219 – 3500 mm
Standard: ASTM A53 / API 5L

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Boiler Tube

OD: 10 – 426 mm
Standard: ASTM A179 / A192

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Internal Threaded Pipe

ID: 10 – 200 mm
Thread Type: Helical / Spiral
Application: Heat Exchanger / Boiler

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Rifled Pipe

OD: 20 – 219 mm
Rifling Type: Helical Groove
Application: Boiler / Power Generation

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Grades Available

Jiangsu Ranboyu Metal Products Co.,Ltd supplies carbon steel pipes across all major structural and engineering grades

Structural Low & Med Carbon Alloy Steel High Carbon

Structural Steel ASTM / EN / JIS

A36

C ≤0.26%Mn ≤1.35% Yield ≥250 MPaTensile 400-550 MPa

A572 Gr.50

C ≤0.23%Mn ≤1.35% Yield ≥345 MPaTensile ≥450 MPa

SS400

C ≤0.20%Mn ≤1.40% Yield ≥245 MPaTensile 400-510 MPa

Q235B

C ≤0.20%Mn ≤1.40% Yield ≥235 MPaTensile 370-500 MPa

Q345B

C ≤0.20%Mn ≤1.70% Yield ≥345 MPaTensile 470-630 MPa

S235JR

C ≤0.17%Mn ≤1.40% Yield ≥235 MPaTensile 360-510 MPa

S275JR

C ≤0.21%Mn ≤1.50% Yield ≥275 MPaTensile 410-560 MPa

S355JR

C ≤0.24%Mn ≤1.60% Yield ≥355 MPaTensile 470-630 MPa

Low & Medium Carbon Steel AISI / SAE / EN

1018

C 0.15–0.20%Mn 0.60–0.90% Yield ≥370 MPaTensile 440-790 MPa

1020

C 0.18–0.23%Mn 0.30–0.60% Yield ≥350 MPaTensile 420-760 MPa

A516 Gr.70

C ≤0.31%Mn 0.85–1.20% Yield ≥260 MPaTensile 485-620 MPa

1045

C 0.43–0.50%Mn 0.60–0.90% Yield ≥415 MPaTensile 630-780 MPa

C45

C 0.42–0.50%Mn 0.50–0.80% Yield ≥380 MPaTensile 630-780 MPa

S45C

C 0.42–0.48%Mn 0.60–0.90% Yield ≥490 MPaTensile ≥690 MPa

EN8

C 0.35–0.45%Mn 0.60–1.00% Yield ≥400 MPaTensile 550-700 MPa

EN9

C 0.50–0.60%Mn 0.50–0.80% Yield ≥480 MPaTensile 700-850 MPa

Alloy Steel Cr-Mo / Ni-Cr

4140

C 0.38–0.43%Cr 0.80–1.10% Mn 0.75–1.00%Mo 0.15–0.25%

4130

C 0.28–0.33%Cr 0.80–1.10% Mn 0.40–0.60%Mo 0.15–0.25%

4340

C 0.38–0.43%Ni 1.65–2.00% Cr 0.70–0.90%Mo 0.20–0.30%

8620

C 0.18–0.23%Ni 0.40–0.70% Cr 0.40–0.60%Mo 0.15–0.25%

EN19

C 0.38–0.45%Cr 0.90–1.20% Mn 0.60–0.90%Mo 0.15–0.30%

EN24

C 0.38–0.43%Ni 1.30–1.80% Cr 1.00–1.40%Mo 0.20–0.35%

42CrMo4

C 0.38–0.45%Cr 0.90–1.20% Mn 0.60–0.90%Mo 0.15–0.30%

34CrNiMo6

C 0.30–0.38%Ni 1.30–1.70% Cr 1.30–1.70%Mo 0.15–0.30%

High Carbon Steel 0.52–1.03% C

1095

C 0.90–1.03%Mn 0.30–0.50% Yield ≥520 MPaTensile 1120-1320 MPa

1070

C 0.65–0.75%Mn 0.60–0.90% Yield ≥480 MPaTensile 980-1180 MPa

C80

C 0.77–0.85%Mn 0.50–0.80% Yield ≥450 MPaTensile 900-1100 MPa

SK5

C 0.80–0.90%Mn ≤0.50% Yield ≥500 MPaTensile 1000-1200 MPa

EN42

C 0.70–0.85%Mn 0.55–0.75% Yield ≥460 MPaTensile 950-1150 MPa

C55E

C 0.52–0.60%Mn 0.60–0.90% Yield ≥420 MPaTensile 700-850 MPa