Quality Standard: |
API 5L Standard Specification forSeamless Line Pipe or Seamless Pipe Line |
ASTM A 53 Standard Specification forPipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
ASTMA519 Seamless Carbon and Alloy Steel Mechanical Tubing |
ASTMA106 Seamless Carbon Steel Pipes for oil pipeline and gas pipelinetransportation |
GB/T8162 Seamless Steel Tubes forStructural Purposes |
JIS G3441 Alloysteel tubes for machine purposes |
JISG3444 Carbon steel pipes for general structural purposes |
JISG3445 Carbon steel tubes for machine structural purposes |
DIN 2391 Seamless PrecisionSteel Tubes |
EN10305 Steel tubes for precisionapplications. Technical delivery conditions. Seamless cold drawn tubes |
EN 10297 Hot rolled seamless steel tubeswith an application in the mechanical and general engineering |
EN 10210:Seamless structural steel pipes |
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Steel Grade: |
API 5L: Grade A, Grade B, X42, X46, X52,X56, X60, X65, X70, X80 |
ASTM A 53: Grade A, Grade B, Grade C,Type F, Type E |
ASTM A519: 1010-1045, 4130-4142, 5135 |
GB/T8162: 10, 20, 35, 45, 16Mn, 12C rMo,15CrMo, 12C rl MoV |
JISG3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440TK |
JIS G3444: STKM 11A, STKM 12, STKM 13,STKM 14, STKM 15, STKM 16, STKM 17, STKM 18 |
STKM 19, STKM 20 |
DIN 2391: St30Si, St30A1, St35, St45,St52 |
EN10305:E235, E355 |
EN 10297: E355K2, E470,E420J2, E590K2 |
EN 10210: S235JRH; S275J0H, S275J2H;S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH |
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Size and Specification ofSeamless Pipes |
Outer Diameter:Hot finish: 2" -30",Cold drawn: 0.875" - 18" |
Wall Thickness:Hot finish: 0.250" -4.00",Cold drawn:0.035" - 0.875" |
Length: Random Length,Fixed Length, SRL, DRL |
Heat treatment: |
Annealed: Bright annealed, , Spheroidizeannealed |
Normalized, Stress relieved, Coldfinished, Quenched and Tempered |
Delivery Condition : BKS, NBK,BK ,BKW,GBK(+A), NBK(+N), BK(+C) |
Packing:Plastic plugs in both ends,Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on eachbundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with severalsteel strips |
Test:ChemicalComponent Analysis, Mechanical Properties (Ultimate tensile strength,Yield |
strength, Elongation), TechnicalProperties (Flattening Test, Flaring Test, Bending Test, Hardness Test, BlowTest, Impact Test etc), Exterior Size Inspection |