tubo di acciaio senza cuciture

TORICH GB/T 18984 Seamless Steel Tubes For Low-Temperature-Service Piping Application:For Low-Temperature-Service Piping Material:16MnDG,10MnDG,09DG,09Mn2VDG,06Ni3MoDGUnit:mmHot Roll(Extrusion,Expansion)Steel TubeCold Drawn(Roll) Steel TubeDiamensionToleranceDiamensionToleranceOrdinary Level PAHigh Level PCOrdinary Level PAHigh Level PCNominal Outer DiameterD＜76.1±1.25%D±0.60Nominal Outer DiameterD＜12.7±0.30±0.1076.1~＜139.7±0.8012.7~＜38.1±0.30±0.15139.7~＜273.1±1.5%D±1.2038.1~

Product Name: TORICH allibaba com GB/T18984 16MnDG 10MnDG 06Ni3MoDG Steel tube manufacturer For Low Temperature Survices Seamless Steel PipesStandard: GB/T18984OD: 3-420mm WT: 0.5-50mmLength: 4-12m or according to customers' actual application and production.Application: For Low Temperature Survices-45℃~-100℃Steel Grade: 16MnDG 10MnDG 09DG 06Ni3MoDGTechnology: Hot rolled,cold drawn(roll)NormalizedCharacteristic: Good concentricityGood surface qualityGood OD and ID toleranceHi

GB/T 5312 Carbon and Carbon-Manganese Steel Seamless Steel Tubes and Pipes for Ship Material:320/360/410/460/490 and so on. OD:3-420mmWT:0.5-50mmLength:3-12m Characteristic: Good concentricityGood OD and ID toleranceHigh PrecisionStable qualitySmooth RoughnessTORICH QUALITY ASSURANCE Production Processs:RAW MATERIAL↓INCOMING INSPECTION↓STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN↓ ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD

Good Straightness Seamless Steel Tubes for Drilling GB/T 9808 37SiMn 38CrMoAl Spec:Material:37SiMn 38CrMoAlSize Range:OD:6-95mm WT:1-10mm General Length:4-12m Chemical CompositonCHEMICAL COMPOSITION % maxPS0.0300.030 Tolerance of Outer Diameter and Wall ThicknessStandardProduction MethodTube Size ToleranceGB/T 9808-2008Hot rolledOD(+1.0%D) or +0.65(-0.5%D) -0.35WT≤10(+15%S)or +0.45(-10%S) -0.35>10(+12.5%S, -10%S)Cold Drawn(rolled)OD ±0.50%D or ±0.20WT ±8%S or ±0.15Q(N)/ T118

High-Pressure Seamless Steel Tubes for Diesel Engine GB/T 3093 Spec:Material:10A 20A Q345A Size Range:OD:4-1200mm WT:0.3-200mm General Length:1.5-6mTolerance:According to the following tables or customers’ request. Characteristic:Technical RequirementsChemical component:Name GradeChemical component(mass fraction )%CSiMnPSCrNiCuMaxU2010310A0.07-0.130.17-0.370.35-0.650.030.030.150.300.20U2020320A0.17-0.230.17-0.370.35-0.650.030.030.250.300.20L03451Q345A0.20Max0.55Max1.00-1.600

Seamless Steel Tubes for Precision Applications GB/T 3639 Spec:Material:10# 20# 35# 45# Q345B Equivalent to grade SAE 1010 1020 st35.4 st 37 st35.8 c22 c35 c45 etc.Size Range:OD:3-420mmWT:0.5-50mmGeneral Length:Length is 2000-12000mm Fixed length and multiple length is available.Mechanical propertiesSteel grade 10# 20# 35# 45# Q345B Steel gradedeliver conditions+C+LC+SR+A+NRm/MpaA/%Rm/MpaA/%Rm/MpaReH/MpaA/%Rm/MpaA/%Rm/MpaReH/MpaA/%No less than104308380104003001633524320

Product Name:GB/T 3093 10A 20A Q345A High-pressure Diesel Engine Seamless Steel Tubes Outer Diameter: 3-60 mm Wall Thickness: 0.5-8mm Main Characteristics:No Oxidation Layer on the Outer and Inner WallsNo Crack under Flaring and FlatteningNo Leakage under High Pressure No Distortion after Cold Bending High Precision High Cleanness Excellent Brightness Standards: GB/T3093,DIN2391, EN10305-1, EN10305-4 etc. Steel Grade: 10A,20A,Q345A,St37.4, St35(E235), St45(E255), St52(E355)

GOST 4543 Alloy Pipe for Water Wall Pannel This pipe follow the GOST4543 which is for alloyed construction hot-rolled and forged gauged steel with diameter or thickness up to 250mm, and steel with a special surface finish, used in a thermally treated condition and produced in the form of bars, strips and hanks. The mass fraction of phosphorus, sulfur, residual copper, nickel and chromium in steel of all grades shall not exceed the standards specified in table.Category of

Product DescriptionBS970 080M15 Seamless Carbon Steel Tubes BS 970 Carbon Steel Grade:080M15 070M20080M30 080M40080M50 070M55150M19 150M36 BS 970 Alloy Steel Grade:635M15 637M17655M13 665M17805M17 805M20815M17 820M17822M17 835M15080M15 Chemical Composition CSiMnSP0.12～0.180.10～0.400.80～1.00≤0.05≤0.05 Mechanical PropertiesTensile strengthσb (MPa)Yield strengthσs (MPa)Elongationδ5 (%)≥350≥175≥22 Steel Condition Diameter(mm)Rm N/ mm²ReminN/ mm²A min on 5.65√S%HB(13) 080M15Normal