▶ Pipe for offshore construction
Size range：Φ10.3mm～1016mm×1.24mm～120mm（1/8"～40"×0.049"～4.725"）or as agreed
Grade：BNO, X42NO, X46NO, X52QO, X56NO, X60QO, X65QO, X70QO, X80QO, X90QO, X100QO, etc.
Standard：API Spec 5L, DNV-OS-F101, ISO3183 , etc.
Approval type：CCS, DNV, ABS, RMRS, LR, BV, NK, KR, etc.
End type：plain end, bevel end, compound bevel end
Grade：BNO, X42NO, X46NO, X52QO, X56NO, X60QO, X65QO, X70QO, X80QO, X90QO, X100QO, etc.
Standard：API Spec 5L, DNV-OS-F101, ISO3183 , etc.
Approval type：CCS, DNV, ABS, RMRS, LR, BV, NK, KR, etc.
End type：plain end, bevel end, compound bevel end
▶ Pipe for jacket structure
Size range：Φ10.3mm～3800mm×1.24mm～120mm（1/8"～149.61"×0.049"～4.725"）
Grade：S355MLHCO, S355NLHCO (S355G13+N), S355G10M , S355G13+QT, S420MLHCO, S420G6+QT, S460MLHCO, S460G2M(Z), S460G6+QT, S500MLHCO, S550MLHCO, S600MLHCO, S650MLHCO, S700MLHCO, etc.
Standard：EN 10025, EN10225, DNV-OS-F101 or specification as agreed
Approval type：RMRS, DNV, ABS, LR, BV, ClassNK, KR, etc.
End type：plain end, bevel end
Main parameters for seamless steel pipes used in jacket structure:
Chemical composition：S≦0.005%, Pcm≦0.25%, CE ≦0.45%
Mechanical property：CVN（-60℃）≧60（J）, Z35≧80%Rm , Ψ≧35%
Grade：S355MLHCO, S355NLHCO (S355G13+N), S355G10M , S355G13+QT, S420MLHCO, S420G6+QT, S460MLHCO, S460G2M(Z), S460G6+QT, S500MLHCO, S550MLHCO, S600MLHCO, S650MLHCO, S700MLHCO, etc.
Standard：EN 10025, EN10225, DNV-OS-F101 or specification as agreed
Approval type：RMRS, DNV, ABS, LR, BV, ClassNK, KR, etc.
End type：plain end, bevel end
Main parameters for seamless steel pipes used in jacket structure:
Chemical composition：S≦0.005%, Pcm≦0.25%, CE ≦0.45%
Mechanical property：CVN（-60℃）≧60（J）, Z35≧80%Rm , Ψ≧35%
▶ Hot finished structural hollow section of non-alloy and fine grain steel
Size range：Φ10.3mm～1016mm×1.24mm～120mm（1/8"～40"×0.049"～4.725"）
Grade：S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H, etc.
Standard：EN 10210-1, EN 10210-2
Grade：S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H, etc.
Standard：EN 10210-1, EN 10210-2
▶ Seamless& welded square pipe
Size range：
A×A：10mm～500mm×10mm～500mm
WT：1mm～30mm
Grade：S690, 4130, 4145, S275NH, S275NLH, S355J0H, S355J2H, S355NH, S355NLH, S420NH, S420NLH, S460NH, S460NLH, AH32, DH32, AH36, DH36, etc.
Standard：GB/T3094, GB/T 6725, GB/T 6728, GB/T 26080, GB/T 6723, MT/T 557, GB/T 13793, ASTM-A519, ASTM A500, EN 10210-1, EN 10210-2 or specifications as agreed
Approval type：ABS,DNV,LR,BV,RS,CCS, etc.
A×A：10mm～500mm×10mm～500mm
WT：1mm～30mm
Grade：S690, 4130, 4145, S275NH, S275NLH, S355J0H, S355J2H, S355NH, S355NLH, S420NH, S420NLH, S460NH, S460NLH, AH32, DH32, AH36, DH36, etc.
Standard：GB/T3094, GB/T 6725, GB/T 6728, GB/T 26080, GB/T 6723, MT/T 557, GB/T 13793, ASTM-A519, ASTM A500, EN 10210-1, EN 10210-2 or specifications as agreed
Approval type：ABS,DNV,LR,BV,RS,CCS, etc.
▶ Seamless& welded rectangle pipe
Size range：
A×B：20mm～500mm×20mm～500mm
WT：1mm～30mm
Grade: S690, 4130, 4145, S355J0H, S355J2H, etc.
Standard: ASTM-A519, EN 10210-1, EN 10210-2 or specifications as agreed
Approval type：ABS, DNV, LR, BV, RS, CCS, etc.
A×B：20mm～500mm×20mm～500mm
WT：1mm～30mm
Grade: S690, 4130, 4145, S355J0H, S355J2H, etc.
Standard: ASTM-A519, EN 10210-1, EN 10210-2 or specifications as agreed
Approval type：ABS, DNV, LR, BV, RS, CCS, etc.
▶ Pipe for Offshore Drilling Riser
Size range：Φ533.4mm×15.88mm（21"×0.625"）, Φ533.4mm×25.4mm（21"×1"）
Grade:X80QO , etc.
Size Tolerance:±0.5%OD, ±5%WT
Standard:API Spec 5L/API Spec 16R
Mechanical Properties:Average Yield Strength:618MPa
Average Tensile Strength:694MPa
Elongation: 26%
CVN(-20℃)≧160(J), HV10 ≤232
Grade:X80QO , etc.
Size Tolerance:±0.5%OD, ±5%WT
Standard:API Spec 5L/API Spec 16R
Mechanical Properties:Average Yield Strength:618MPa
Average Tensile Strength:694MPa
Elongation: 26%
CVN(-20℃)≧160(J), HV10 ≤232
▶ Submarine Pipeline System
Size range：Φ10.3mm～1016mm×1.24～120mm（1/8"～40"×0.049"～4.724"）
Grade：245, 290, 360, 415, 450, 485, 555, etc.
Standard：DNV-OS-F101, etc.
Approval type：CCS, DNV, ABS, RMRS, LR, BV, NK, KR, etc.
End type：plain end, bevel end, compound bevel end
Grade：245, 290, 360, 415, 450, 485, 555, etc.
Standard：DNV-OS-F101, etc.
Approval type：CCS, DNV, ABS, RMRS, LR, BV, NK, KR, etc.
End type：plain end, bevel end, compound bevel end
▶ Internal or external coated Pipe and concrete coated pipe
Size range：Φ10.3mm～1016mm×1.24～120mm（1/8"～40"×0.049"～4.725"）
Grade：A, B, X42, X46, X52, X60, X65, X70, etc.
Coating type : FBE, 2FBE , 2PP, 2PE, 3PP, 3PE, 3LPE, CWC, etc.
Standard：API Spec 5L, JIS3469/CNS13639, DIN 30670, DIN 30678 , SY4013
Grade：A, B, X42, X46, X52, X60, X65, X70, etc.
Coating type : FBE, 2FBE , 2PP, 2PE, 3PP, 3PE, 3LPE, CWC, etc.
Standard：API Spec 5L, JIS3469/CNS13639, DIN 30670, DIN 30678 , SY4013
▶ Bimetallic CRA Pipe
Metallurgical Bond Pipe: 21.3mm～406.4mm（0.838"～16"）
Mechanical Bond Pipe : 21.3mm～762mm（0.838"～30"）
Base Pipe:1.24～33.4mm（0.049"～1.315"）
Inner Pipe:0.5～4.0mm（0.02"～0.158"）
Stainless Steel: 304L, 316L, 321, 2205, 2507, 904L, etc.
Nickel Alloys: Monel 400, MonelK-500, Inconel 600, Inconel 625, Hastelloy C-276, etc.
Specs: API 5LD or otherwise as agreed
Mechanical Bond Pipe : 21.3mm～762mm（0.838"～30"）
Base Pipe:1.24～33.4mm（0.049"～1.315"）
Inner Pipe:0.5～4.0mm（0.02"～0.158"）
Stainless Steel: 304L, 316L, 321, 2205, 2507, 904L, etc.
Nickel Alloys: Monel 400, MonelK-500, Inconel 600, Inconel 625, Hastelloy C-276, etc.
Specs: API 5LD or otherwise as agreed
▶ Pipe for Shipbuilding
