| Standard | API, ASTM, BS, DIN, GB, JIS |
| Outer Diameter: | 21.3mm-660mm |
| Wall Thickness | 0.5mm-20mm |
| Dia Tolerance | Control with in the standard, OD:+-1%, WT:+-10% |
| Materials | 10#, 20#, 45#, Q235, Q345, Q195, Q215, ASTM A53/A106/A178/A333/A335, ST37, ST37-2, DIN 1629 ST35, ST45, DIN 17175 ST35.8, DIN 17175 19Mn5, 16Mn, Q345B, T1, T2, T5, T9, T11, T12, T22, T91, T92, P1, P2, P5, P9, P11,P12, P22, P91, P92, 15CrMO, Cr5Mo, 10CrMo910, 12CrMo, 13CrMo44, 30CrMo, GR.1, GR.3, GR.6, GR.7, Gr.B, X42, X46, X52, X60, X65, X70, X80, X100 |
| Zinc coating | Pre galvanized steel pipe: 60-150g/m² Hot dipped galvanized steel pipe: 200-400g/m² |
| Inspection | ISO, BV, SGS, MTC |
| Packing | Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required |
| Application | Widely used in Structure, Accessorize, Construction, Fluid transportation,machinery parts,the stress parts of the automobile tractor parts and so on |
| MOQ | 5metric ton,sample order accepted |
| Shipment time | Within 7-10 workdays after receiving deposit or L/C |
| Descriptions | Grades | Standard | Specification (OD*WT)mm |
Usage |
| Structural steel pipe | 20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2, SAE1018, SAE1020, SAE1518, SAE1045. | GB/T8162-2008 | 6-1020*1.5-100 | For commom structure |
| Fluid steel pipe | 10#, 20#, ASTM A106, A210, A53, 16Mn, Q345A.B.C.D.E, Q295B.C.D.E | GB/T8163-2008 | 8-630*1.0-40 | Fluid feeding |
| High pressure boiler pipe | 20G, 15MnG, 20MnG, 15CrMoG, 12Cr1MoVG, St35.8, St45, SA106b, SA106c, SA210a, SA210c, A335P2, P11, P12, P22, P91, P92, A213 T2,T9, T11, T12, T22, T23, T91 | GB/5310-2008, ASTM A 106-99, DIN 17175-79 |
14-630*2-80 | Temperature-resistant seamless steel pipe far high-pressure boiler |
| Oil casing pipe | API SPEC 5CT J55, K55, N80, L80, C90, C95, P110 | API SPEC 5CT, SY/T6194-96, GB/T222-84, | 10-530*1.5-36 | Boiler pipes for refinery,heatexchangeing pipes,seamless steel pipes for pipeline |
| Pipeline | API SPEC 5L, X42, X52, X60, X65,X70,X80 ASTM A53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245 |
API SPEC 5L, ISO 3183, GB/T 9711 | 60-630*1.5-40 | Carrying gas,water or oil in the industries of petroleum and natural gas |
| Alloy steel pipe | 4140, 42CrMo, 32CrMo, 15CrMo, Cr5Mo, 13CrMo44, 12Cr1MoV P22 T91,P91,P9, T9, Wb36 | GB5310-95, GB9948-88, ASTM A335/A335M, ASTM A213/213M, DIN17175-79, JISG3467-88, JISG3458-88 |
16-824*2-100 | The seamless steel pipes features resistance to high presure,high/low temperature and corrosion ano is used in the industries of petroleum, chemical engineering and. Electric pwer as well as boiler |
| Hydraulic prop pipe | 20#, 45#, 27SiMn, 30CrMoSiA | GB/T17396-2009 | 70-377*9-40 | Coal mine hydraulic support and pillar cylinder, column, can also be used for other hydraulic cylinder, column |
| Standard | Trademark | Chemical components | Mechanical property | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
||
| ASTM A106 | B | ≤0.30 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥30 |
| C | ≤0.35 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥485 | ≥275 | ≥30 | |
| Grade | Chemical composition (%) | |||||
| C | Mn | Si | P | S | Al | |
| Q235A | 0.14~0.22 | 0.30~0.65 | ≤0.30 | ≤0.045 | ≤0.050 | |
| Q235B | 0.12~0.20 | 0.30~0.67 | ≤0.30 | ≤0.045 | ≤0.045 | |
| Q235C | ≤0.18 | 0.35~0.80 | ≤0.30 | ≤0.040 | ≤0.040 | |
| Q235D | ≤0.17 | 0.35~0.80 | ≤0.35 | ≤0.035 | ≤0.040 | |
| Q345A | ≤0.20 | ≤1.70 | ≤0.50 | ≤0.035 | ≤0.035 | |
| Q345B | ≤0.20 | ≤1.70 | ≤0.50 | ≤0.035 | ≤0.035 | |
| Q345C | ≤0.20 | ≤1.70 | ≤0.50 | ≤0.030 | ≤0.030 | ≥0.015 |
| Q345D | ≤0.18 | ≤1.70 | ≤0.50 | ≤0.030 | ≤0.025 | ≥0.015 |
| Q345E | ≤0.18 | ≤1.70 | ≤0.50 | ≤0.025 | ≤0.020 | ≥0.015 |
| Material | Chemical composition (%) | ||||||
| C | Mn | P | S | Si | Ni | Cu | |
| 1020 | 0.17~0.23 | 0.35~0.65 | ≤0.035 | ≤0.035 | 0.17~0.37 | ≤0.3 | ≤0.25 |
| 1045 | 0.42~0.5 | 0.5~0.8 | ≤0.04 | ≤0.045 | 0.17~0.37 | ≤0.25 | ≤0.25 |
| 1010 | 0.08-0.13 | 0.30-0.60 | ≤0.040 | ≤0.050 | - | - | ≤0.20 |
| 1035 | 0.32-0.38 | 0.50-0.80 | ≤0.040 | ≤0.050 | - | - | ≤0.20 |
| Steel material | Tensile Strength Mpa | Yield strength Mpa | Elongation % | Hardness | Straightness |
| 1020 | ≥510 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 |
| 1045 | ≥647 | ≥355 | ≥16 | ≤HRC62 | 0.3~1.0 |
| 1010 | ≥410 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 |
| 1035 | ≥530 | ≥315 | ≥20 | ≤156HB | 0.3~1.0 |