Fluid Pipe

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Fluid pipes are a seamless steel pipe generally used to transport oil, natural gas, petroleum, and other utility products at a pressure less than 10 MPa and temperatures below 350ºC. Yuanhua offers a range of fluid pipes in a diameter of 0.25mm-75mm, and in DN6-DN600 specs. Steel grades used in the construction of these pipes include 10, 20 and Q345B.

Standards
GB/T8163-2008, ASTM A53, ASTM A106, DIN 1629

Uses
Fluid pipes are used to transport petroleum, natural gas and water. These steel piping products are commonly seen in large scale pipelines.

Chemical and Physical Properties

Steel Grades	Chemical composition (%)								Mechanical properties
	C	Si	Mn	P	S	Cu	Ni	Cr	Yield strength		Tensile strength	Elongation
				P	S				MPa		MPa	Δ(%)
				≤					For T in mm			≥
				≤					T≤16	T>16		≥
10	0.07-0.13	0.17-0.37	0.35-0.65	0.030	0.030	0.25	0.30	0.15	205	195	335-475	24
20	0.17-0.23	0.17-0.37	0.35-0.65	0.030	0.030	0.25	0.30	0.25	245	235	410-550	20
Q345B	≤0.20	≤0.50	≤1.70	0.035	0.035	0.30	0.50	0.30	345	325	470-630	21

Grade

Chemical composition (%)

Mechanical properties

Yield strength

Tensile strength

Elongation

MPa

δ(%)

Max

Min

Max

Min

Refer to ASTM A106

0.25

0.10

0.27-0.93

0.035

0.40

0.15

0.08

205

330

0.30

0.10

0.29-1.06

0.035

0.40

0.15

0.08

240

415

Technical Specs

Outer Diameter		Wall Thickness mm
inch	mm	2	2.6	3.6	4.5	5.5	7.1	9.5	12.5	13	14-16	17-19	20-25	31-60	61-70	81-90	91-120
0.84	21.3
1.05	26.7
1.315	33.4
1.66	42.2
1.9	48.3
2.375	60.3
2.875	73
3.5	88.9
4	101.6
4.5	114.3
5.563	141.3
6.625	168.3
8.625	219.1
10.75	273
12.75	323.9
14	355.6
16	406.4
18	457
20	508
22	559
24	610
26	660.4
28	711.2
30	762
32	813
34	864
36	914
38	965

Application