Tel :+86-510-81025508E-mail:Annie.yin@huijinchina.com
tube 20 TDC
tube 20 TDC
News Source:　　 2018-12-14 13:26:53

tube 20 TDC

MATERIAL  SPECIFICATION
DJ-0031-0001-TB
TITLE:
CDS HONNED TUBES(GR.20)
PAGE NO.: 1 OF 1
DATE: 01.01.2009
MATERIAL
CDS STEEL TUBES STRESS RELIVED BK+S GR.20
CHEMICAL COMPOSITION(%)
C
SI
Mn(Max.)
P(Max.)
   S (MAX)
  0.22 MAX
0.50 MAX
<0.70
<0.035
    <0.035
      MECHANICAL PROPERTIES
    UTS Min
    Y.S Min
    E MIN %
DELIEVERY CONDITION
    580 N/mm2
    500 N/ mm2
      >14
BKS
 
 
 
 
     WELDABILITY
           STEEL GRADES HAVE A VERY GOOD WELDABILITY ACCORDINGLY TO THE COMMON WELDING SYSTEM.(CARBON EQUIVALENT 0.45)
 
     TOLERANCES
1.       OUTER DIA
                          < 40 mm                  +/-0.2mm
                          FROM 40 TO 100 mm       +/-0.3mm
                          >100mm                  +/-0.5mm
2.       WALL THK
               <120mm OD               +/-5%
               >120mm                  +/-7.5%
3.  STRAIGHTNESS                      1/1000 OF THE TUBE LENGTH
4.  INSIDE HONNED DIA                 ISO H8
5.  ROUGHNESS                         0.2~0.4u
6.  LENGTHS
              LENGTH<500               +2mm
              500
              2000
              5000
7.       TUBE ENDS
        TUBE ENDS SHALL BE CUT NOMINALLY SQUARE TO THE
TUBE AXIS AND SHALL BE FREE FROM THE EXCESSIVE BURRS.
     APPEARANCE
1.       TUBES SHALL HAVE A SMOOTH INTERNAL & EXTERNAL SURFACE CONSISTENT WITH COLD WORKING PROCESS.
2.       TUBE INNER SURFACE SHOULD BE FREE FROM RUST,DENT&SCRATCHES.

Tube st52 TDC

MATERIAL  SPECIFICATION
DJ-0031-0002-TB
TITLE:
CDS HONNED TUBES(ST-52)
PAGE N0.:1 of 1
DATE:01-01-2009
MATERIAL
               CDS STEEL TUBES STRESS RELIVED BK+S(DIN2391,Part-2,1994)
CHEMICAL COMPOSITION(%)
      C
SI
Mn(Max.)
P(Max.)
   S (MAX)
  0.22 MAX
0.50 MAX
1.6MAX
<0.025
    <0.025
      MECHANICAL PROPERTIES
    UTS Min
    Y.S Min
    E MIN %
DELIEVERY CONDITION
    600 N/mm2
    520 N/ mm2
      >14
Stress Relieved BK+S
 
 
 
 
     WELDABILITY
           STEEL GRADES HAVE A VERY GOOD WELDABILITY ACCORDINGLY TO THE COMMON WELDING SYSTEM.(CARBON EQUIVALENT 0.45)
 
     TOLERANCES
3.       OUTER DIA
                          < 40 mm                  +/-0.2mm
                          FROM 40 TO 100 mm       +/-0.3mm
                          >100mm                  +/-0.5mm
4.       WALL THK
               <120mm OD               +/-5%
               >120mm                  +/-7.5%
3.  STRAIGHTNESS                      1/1000 OF THE TUBE LENGTH
4.  INSIDE HONNED DIA                 ISO H8
5.  ROUGHNESS                         0.2~0.4u
6.  LENGTHS
              LENGTH<500               +2mm
              500
              2000
              5000
8.       TUBE ENDS
        TUBE ENDS SHALL BE CUT NOMINALLY SQUARE TO THE
TUBE AXIS AND SHALL BE FREE FROM THE EXCESSIVE BURRS.
     APPEARANCE
3.       TUBES SHALL HAVE A SMOOTH INTERNAL & EXTERNAL SURFACE CONSISTENT WITH COLD WORKING PROCESS.
4.       TUBE INNER SURFACE SHOULD BE FREE FROM RUST,DENT&SCRATCHES.
Back Catalog
Related News:
Copyright Wuxi Huijin International Trading Co,.Ltd 2018
Admin