Seamless Steel Tube

Product Description

Hydraulic Tube/Alloy Tube/Boiler Tube/Threaded Tube

1. Tube for Fluid Transportation Service

Application: For Fluid Transportation service
Production Standard, Grade, Steel No:
ASTM A106 Grade A, B, C
ASTM A53 S Grade A, B
GB/T8 163 10, 20, Q295, Q345
Delivery Condition: Annealed, Normalized
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring,
Flattening, Bending, Hardness), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

2. Carbon Alloy Tube

Application: Boiler, Superheater and Heat-Exchanger
Production Standard, Steel NO:
ASTM A213 T11, T12, T22, T5, T9
ASTM A335 P11, P12, P22, P5, P9
ASTM A199 T11, T22, T5
ASTM A209 T1, T1a, T1b
EN10216-2 10CrMo5-5, 11CrMo9-10, X11CrMo5+1, TC1, TC2
JIS G3462 STBA 12, STBA13, STBA24
Delivery Condition: Normalized and Tempered
Inspections and Tests Performed:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

3. Tube for Heat Exchanger and Condenser

Application: For tubular heat exchangers, condensers and similar heat transfer apparatus.
Production Standard, Steel Grade:
ASTM A179
GB6479 10, 20, 16Mn, 15MnV, 12CrMo, 15CrMo, 12Cr2Mo, 12SiMoVNb
Delivery Conditions: Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring,
Flattening, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

4. Boiler Tube

Application: For high, middle, low pressure boiler and pressure purpose
Production Standard, Grade, Steel No:
ASTM A178 Grade A, C, D
ASTM A192
ASTM A210 GradeA-1, C

EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2
EN10216-2 P195GH, P235GH, P265GH, TC1, TC2
DIN17175 ST35.8, ST45.8
DIN1629 ST37.0, ST44.0, ST50.0
JIS G3454 STPG370, STPG410
JIS G3461 STB340, STB410, STB440
GB5310 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoWVTiB
GB9948 10, 20, 12CrMo, 15CMo
GB3087 10, 20
Delivery Condition: Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring,
Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

5. Tube for Mechanical and Automobile
Application:
Backbone of Automobile and rear axle tube
Manufacturing and processing of precision equipments, instruments and apparatus
Production Standard, Steel No:
DIN2391 St35, St45, St52
ASTM A519 1010, 1020, 1025, 1035, 1045
ASTM A513 1010, 1020, 1025, 1035, 1040
BS6323 CFS, CFS3A, CFS4-11
EN10305-1 E215, E235, E355
JIS G 3441 SCM415TK, SCM 430 TK, SCM 440 TK
GB/T3639 10, 20, 35, 45
Delivery Condition: GBK, BKS, BK, BKW, NBK
Inspection and Test:
Chemical Composition, Mechanical Properties, Visual and Dimension Test, NDT, Grain Size Test
Surface treatment: Oil-dip, Varnish, Shot Blasting