ISO 9001:2008 Registered
Hunan Standard Steel Co.,Ltd is as the one of member of Husteel Industry Group, as the professional manufacturer of steel pipe and pipe fittings,which has a complete system of production and sales serving our customers. 
Factory          Group
  
Seamless Steel Pipe

Industrial Pipe

Specifications Range
Out Diameter ¼" to 26"
Wall Thickness 20, 30, 40, STD, XH, 80, 100, 120, 140, 160, XXH
Length 3.0m-18m


Types Application
Structure Purposes
General structure and mechanical
Liquid Services
Petroleum, gas and other fluids conveying
Low and Medium Pressure
Steam and boiler manufacturing
Hydraulic Pillar Service
Hydraulic support
Auto Semi-shaft Casing
Auto sem-shaft casing
Line Pipe
Oil and gas conveying
Tubing and Casing
Oil and gas conveying
Drill Pipes
Well drilling
Geological Drilling Pipe
Geological drilling
Petroleum Cracking Tubes
Furnace tubes, heat exchangers


Standard Grade Chemical Components (%)
Mechanical Properties
ASTM A53 C
Si
Mn
P
S
Tensile STrength(Mpa)
Yield STrength(Mpa)
A ≤0.25
- ≤0.95
≤0.05
≤0.06
≥330
≥205
B ≤0.30
- ≤1.2
≤0.05
≤0.06
≥415
≥240
ASTM A106 A
≤0.30
≥0.10
0.29-1.06
≤0.035
≤0.035
≥415
≥240
B
≤0.35
≥0.10
0.29-1.06
≤0.035
≤0.035
≥485
≥275
ASTM A179 A179 0.06-0.18
- 0.27-0.63
≤0.035
≤0.035
≥325 ≥180
ASTM A192 A192 0.06-0.18
≤0.25
0.27-0.63
≤0.035
≤0.035
≥325
≥180
API 5L PSL1 A 0.22
- 0.90
0.030
0.030
≥331
≥207
B
0.28
- 1.20 0.030
0.030
≥414
≥241
X42
0.28
- 1.30 0.030
0.030
≥414
≥290
X46
0.28
- 1.40 0.030
0.030
≥434
≥317
X52
0.28
- 1.40
0.030
0.030
≥455
≥359
X56
0.28
- 1.40
0.030
0.030
≥490
≥386
X60
0.28
- 1.40
0.030
0.030
≥517
≥448
X65
0.28
- 1.40
0.030
0.030
≥531
≥448
X70
0.28
- 1.40
0.030
0.030
≥565
≥483
API 5L PSL2 B
0.24
- 1.20
0.025
0.015
≥414
≥241
X42
0.24
- 1.30
0.025
0.015
≥414
≥290
X46
0.24
- 1.40
0.025
0.015
≥434
≥317
X52
0.24
- 1.40
0.025
0.015
≥455
≥359
X56
0.24
- 1.40
0.025
0.015
≥490
≥386
X60
0.24
- 1.40
0.025
0.015
≥517
≥414
X65
0.24
- 1.40
0.025
0.015
≥531
≥448
X70
0.24
- 1.40
0.025
0.015
≥565
≥483
X80
0.24
- 1.40
0.025
0.015
≥621
≥552