schedule 120 steel pipe,schedule 120 steel tube

3 125

1.we manufacture MS pipe.

4.good quality and competitive price

carbon steel pipe


Ser GB Standard ASTM/ASME Standard DIN Standard EN Standard JIS Standard
Standard Grade Standard Grade Standard Grade Standard Grade Standard Grade
1 GB3087 10# A/SA53 Gr.A 1626 ust37.0     STPG 370
20# Gr.B 1626 st44.0     STPG 410
2 GB3087 10# A/SA106 A/SA210 Gr.A 17175 st37.5 10216-2 P235GH STPG 370
17177 st37.8
GB5310 20G Gr.B Gr.A1 17175 st45.8 P265GH 410
17177 st42.8
25MnG Gr.C 17175 17Mn4   STS 480
17177 19Mn5

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Mild and low carbon steel

Mild steel is the most common form of steel because its price is relatively low while it provides material properties that are acceptable for many applications. Low carbon steel contains approximately 0.05–0.15% carbon and mild steel contains 0.16–0.29% carbon; therefore, it is neither brittle nor ductile. Mild steel has a relatively low tensile strength, but it is cheap and malleable; surface hardness can be increased through carburizing.


It is often used when large quantities of steel are needed, for example as structural steel. The density of mild steel is approximately 7.85 g/cm3 (7850 kg/m3 or 0.284 lb/in3)[4] and the Young's modulus is 210 GPa (30,000,000 psi).


Low carbon steels suffer from yield-point runout where the material has two yield points. The first yield point (or upper yield point) is higher than the second and the yield drops dramatically after the upper yield point. If a low carbon steel is only stressed to some point between the upper and lower yield point then the surface may develop Lüder bands.

carbon steel pipe

Similar to a heat-transfer system, the petroleum industry typically will use a seamless carbon steel pipe to transfer petroleum. This pipe typically is much larger thancarbon steel pipes used for other purposes to allow the pipe to carry the large amount of petroleum.

 Pipes are a common product made from the higher carbon category. Generally, a low carbon steel pipe is used for transmitting substances such as gas and oil. The steelmaking process as well as the deoxidation method can influence the properties of low carbon steel.


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We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!