About Us

We, Tianjin Zhongshun Petroleum Steel Pipe Co,. Ltd, is an investment group, engaging in steel pipe products manufacturing, exporting, specialized in producing high-tech ERW (Electric Resistance Welded) and SAW (Spiral Submerged Arc welded) and Seamless steel pipes.

Zhongshun Group founded in 1995, is a professional manufacturer of petroleum steel pipes in China, covering an area of 300,000 square meters, with investment of USD 37 million in total and more than 450 employees. Equipped with 3 longitudinally H.F. welded pipe production lines, 7 spirally double-side submerged arc welded pipe production lines, 3 anti-corrosion pipe production lines, the company can manufacture 600,000 tons of welded steel pipes per year.

                                                                                                                                                                                                                                                        Learn More......

Products

SSAW API 5L Gr. B Steel Pipe

Process: Spiral Submerged- Arc Welded Steel Pipe
Usage: Used for low pressure liquid transportation, such as water, gas, and oil; construction and piling
Standard: API 5L, ASTM A252, EN10217-1,2,5, EN10219-1, BS, JIS, IS
Certificate: EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT
Out Diameter: 219.1MM – 3048MM (8"-120")
Wall Thickness: 4MM - 30MM
Length: Top to 32 M
Steel Grade: API 5L: GR A, GR B, X42, X46, X56, X60, X65, X70
ASTM A252: GR 1, GR 2, GR 3
BS 4360: Grade 43, Grade 50
EN: S275JR, S275J0H, S275J2H, S355JRH, S355J0H, S355J2H
Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Metallographic Test, Technical Properties (Bending Test, Charp-v Impact Test, Hydrostatic Test, X-ray Test, Ultrasonic Test
Mill Test Certificate: EN 10204/3.1B

ERW ASTM A53 Gr. B Steel Pipe

Process: ERW: Electric Resistance Welded pipe, HFI: High Frequency Induction Weld Pipe, EFW: Electric Fusion Welded Pipe
Usage: Used for low pressure liquid transportation, such as water, gas, and oil
Standard: API 5L PSL1/ PSL2, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387
Out Diameter: 21.3MM - 610MM (1/2''-24'')
Wall Thickness: 1.8MM - 25MM
Length: Top to 18M
Steel Grade: API 5L: GR B, X42, X46, X56, X60, X65, X70
API 5CT: K55, J55
ASTM A53: GR A, GR B
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test
Mill Test Certificate: EN 10204/3.1B

Seamless ASTM A106 Gr. B Steel Pipe

Process: Seamless Steel Pipe
Usage: Applicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes, and to transport liquid, gas, oil etc.
Standard: API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210, SA213, SA335, DIN17175, ASTM A179… 
Out Diameter: 1/8 – 30 inch (10.3-762MM)
Wall Thickness: 0.049” – 2.5” (1.24- 63.5MM)
Length: Random Length, Fixed Length, SRL, DRL
Steel Grade: API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53/A106: GR A, GR B, GR C
ASME SA106: GR.A, GR.B, GR.C
ASME SA192: SA192
ASME SA209M: T1, T1a
ASME SA210: GR.A-1, GR.C
ASME SA213: T2, T5, T9, T11, T12, T22
ASME SA335: P2, P5, P9, P11, P12, P22, P91 
DIN17175:ST35.8, ST45.8, 15Mo3, 13CrMo44
Heat treatment: Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered
Delivery Condition: BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)

API 5L LSAW Steel Pipe

Longitudinal Submerged-Arc Welded Steel Pipe
Process:LSAW - UO(UOE)、RB(RBE)、JCO(JCOE,COE)
DSAW -Double Submerged arc welded
Usage: Used for low pressure liquid delivery, such as water, gas, and oil. 
Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711 
Certificate: API 5L PSL1 / PSL2, API 5CT 
Out Diameter: 219mm – 1820MM(8"-72")
Wall Thickness: 5.0 - 50MM
Length: 6 – 12M
Steel Grade: API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement 
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate: EN 10204/3.1B

Hollow Section, Square Rectangular Tube

Process: Hollow Section Tube, Square Tube, Rectangular Tube
Standard: ASTM A500, ASTM A53, EN10210, EN10219, JIS G3466, BS1387, BS6323, IS: 1161, 3601, 3074 4923, DIN1626, DIN2394
Out Diameter: 10 * 20MM –600 * 400MM
Wall Thickness: 0.5MM – 20MM
Length: Top to 18M as per customer’s request
Steel Grade: GB: Q195, Q215, Q235, Q345
ASTM: GR A, GR B, GR C, GR D , DC01, DC03, 1008, 1010
JIS: SS330, SS440, SS490, SPHD, SPHE
EN BS: S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H
End: Square cut, Burr removedSurface:Lightly oiled, hot dip galvanized, Electro galvanized, Black Heat Treatment:Bright Annealed, Black Annealed
Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Mill Test Certificate: EN 10204/3.1B

BS1387 Galvanized Steel Pipe

Process:
1. Pre-painted (zinc: 60-120G/M2) 
2. Hot-dipped galvanized (zinc: 120-500G/M2) 
3. Cold-dipped galvanized (zinc: 10-50G/M2) Steel grade: Q195, Q215, Q235, Q345, S235JR, S275JR, STK400, STK500
Standard: GB/T 3091, BS1387, EN39, EN1139, ASTM A53, JIS G3444
Out Diameter: 21.3MM - 610MM
Wall Thickness: 0.8MM - 22MM
Length: Random Length, Fixed Length, SRL, DRL, as per customer's required
Use: For low pressure liquid delivery such as water, gas and oil
End: plain end or beveled end, threaded end
Packing: with several steel strips in one bundle, plastic caps, of course, can be packed as our clients’ demand 
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection
Mill Test Certificate: EN 10204/3.1B