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GB/T 5312 Carbon / Carbon - Manganese Seamless Steel Tube Oiled

Minimum Order Quantity : 5 Ton Price : negotiable
Packaging Details : packing in wooden boxes or in hexagonal bundles Delivery Time : 30-35 days
Payment Terms : T/T, D/A, D/P, L/C, Western Union, MoneyGram Supply Ability : 60000 Ton per year
Place of Origin: ZheJiang,CHINA Brand Name: TORICH
Certification: ISO14001:2008,TS16949 Model Number: GB/T 5312

Detail Information

Product Name: Carbon And Carbon-Manganese Steel Seamless Steel Pipes For Ship Type: Cold Rolling Cold Drawn Hot Rolling
Surface: Oiled Material: 320/360/410/460/490
Usage: Boiler Or Ship Shape: Round Shape
OD: 3-420mm WT: 0.5-50mm
High Light:

precision stainless steel tubing

,

seamless carbon steel tube

Product Description

 
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:3-420mm
WT:0.5-50mm
Length:3-12m
 
 
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
 
 
Production Processs:
RAW MATERIAL

INCOMING INSPECTION

STORAGE CUTTINGHAMMERINGPICKING LUBRICATIONCLEANING PHOSPHORI CLEAN

ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING

FINAL INSPECTION→BUNDING→STORAGE
 
Tolerance:
According to the following tables or customers’ request.

Production MethodSize(mm)Tolerance

 
 
 
Hot Rolling(Extrusion)

 

OD

≤159±1.0%(min.±0.50mm)
>159±1.25%

 
 
WT

 

≤20

+15%(min.+0.45mm)

-10%(min. -0.30mm)

>20±10%
D≥351±15%

 

 

 

Cold Drawn

 
OD

≤30±0.20mm
30~50±0.30mm
>50±0.8%

 
WT

 

1.5~3

+12.5%

-10%

>3.0±10%


 
Mechnical Property

Steel Grade

Tensile Strength

MPa

Yield Strength

MPa

Elongation

%

320320-440≥195≥25
360360-480≥215≥24
410410-530≥235≥22
460460-580≥265≥21
490490-610≥285≥21

Producing Method:  Hot rolling(extrusion), Cold drawn, Cold rolling.
Technical Delivery Conditions: Normalized(NBK)or Normalized and tempered
Widely used in the field of: For ship pressure pipe system, boiler and superheater (Seamless high pressure boiler tube)
 
Steel pipe standard:
1. ASTM:ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B;
ASTM A333; ASTM A334; ASTM A192; ASTM A210;

2. JIS: G3452;G3457; G3454; G3456; G3461; G3454; G3455;
STPG38; STPG38; STS38; STPT42; STB42; STS42; STS49; STPT49

3. DIN:ST33;ST38ST35;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3
 
GB/T 5312 Carbon / Carbon - Manganese Seamless Steel Tube Oiled 0 GB/T 5312 Carbon / Carbon - Manganese Seamless Steel Tube Oiled 1
 
GB/T 5312 Carbon / Carbon - Manganese Seamless Steel Tube Oiled 2 GB/T 5312 Carbon / Carbon - Manganese Seamless Steel Tube Oiled 3 
 

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