Rectangular & Square Section Tubes from China Suppliers - Quality Seamless Pipes at Our Factory
Product Introduction
Our workshops are located in the North China Economic Development Zone, With the support of high-speed, convenient transportation. Our firm was established in 2002, with a total investment of 120 million yuan. It has 15 senior engineers and more than 500 employees. Outer diameter of 40-108X wall thickness 12-30, outer diameter of 108-219X wall thickness 20-40, outer diameter of 210-426X wall thickness 20-50, and various specifications, various materials seamless pipe. There are now more than 15,000 tons of seamless steel pipe, and 8000 tons of ERW pipes as the raw material stock.
Kinds of material for reference: 12CrIMoVG、15CrMoG、 10CrMo910、Cr5Mo、A335P91、T91、A335P5.A335P11、 12Cr2MoWVTiB(102)、 CrMo、15McuMoNb5(NB36)40CrMnMo、 36Mn2V、Cr9Mo、38CrMoA1、3035CrMnSiA、1Cr5Mo、20CrNiMo、 25Cr2MoV、35Mn2VNb、37Mn5、 25MnCr、40MnV、T11、T12、T22、T24、 30CrMo、35CrMo、 15NiCuMoNiB5(WB36)、42CrMo、30CrMo、42CrMo、38CrM.
Material Classifications & Specifications
Oil Casing & Geothermal Tubing
Applicable for oil casing, geothermal tubing and casing, pipeline pipe: J55, K55, N80, L 80. P110.X40-X70, L245, L360
Stainless Steel Material
0Cr18Ni9.1Cr18Ni9Ti、304、304L、 310S、316(0Cr18Ni12Mo2)、316L(00Cr17Ni14Mo2).
Carbon Steel Pipes
10#、20#、35#、45#
Alloy Steel Material
Q345B、Q345D、16Mn、30Mn、 27SiMn、20Cr、40Cr
High Pressure Boiler Material
20G、ST45.8-III、A106B、 A106C
Manufacturing Specifications
GB/T8162-2008. GB/T8163-2008、GB3087-2008、GB5310-1995.GB6479-2000、GB9948-88、 GB5312-1999, and Jis, European, American, etc.
Customized special specifications, special material thick wall seamless pipes are available for users, but also with 15 CrMoG, 12CrlMoVG and other special material alloy pipe. Further more, cold drawn pipe, hot expansion diameter seamless steel pipe, Alloy high-pressure boiler tubes are available for choice:
12CrIMoVG(G), T12(ASTM), 15CrMoG(GB), 13CrMo44(DIN), Cr5Mo(GB), A335PII(ASTM), 12Cr2Mo(GB), 10CrMo910(DIN).
Frequently Asked Questions (FAQ)
What is your company's production capacity and stock volume?
Established in 2002 with an investment of 120 million yuan, our facility currently maintains a raw material stock of over 15,000 tons of seamless steel pipes and 8,000 tons of ERW pipes to ensure prompt delivery.
What steel material grades do you offer for seamless pipes?
We provide a wide range of steel materials including Carbon Steel (10#, 20#, 35#, 45#), Alloy Steel (Q345B, Q345D, 16Mn, 27SiMn, 40Cr), Stainless Steel (304, 304L, 316, 316L, 310S), and specialized materials like 12Cr1MoVG, 15CrMoG, and A335P91.
Do you manufacture pipes for oil and geothermal applications?
Yes, we supply pipes suitable for oil casing, geothermal tubing, casing, and pipeline installations. Applicable material grades include J55, K55, N80, L80, P110, X40-X70, L245, and L360.
Which manufacturing specifications do you comply with?
Our manufacturing processes comply with national and international standards including GB/T8162-2008, GB/T8163-2008, GB3087-2008, GB5310-1995, GB6479-2000, GB9948-88, GB5312-1999, as well as JIS, European, and American specifications.
Do you provide customized pipe specifications?
Yes. We support customized special specifications and special material thick-wall seamless pipes. Options such as cold drawn pipes, hot expansion diameter seamless steel pipes, and alloy high-pressure boiler tubes are readily available.