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      China Steel - Designations & Grades with Comparisons

      Check the China Steel designations and grades below for a variety of China Steel products. If you can’t find the type of China Steel comparison you’re looking for, send us a message with your inquiry and we’ll get back to you with an answer shortly.

      Cold Rolled Steel:

      Quality GB/T 11253-2007
      GB/T 5213-2001
      JIS G3141-2005
      JIS G3101-2004
      EN 10130-2006
      EN 10139-1998
      DIN 1623-1986
      ASTM A1008 / A1008M-05
      Commercial Steel Q195 SPCC (T) DC01/ ST12 CS
      TYPE A/B/C
      Drawing Steel SC1
      SC2
      SC3
      SPCD DC03/ ST13 DS
      TYPE A/B
      Deep Drawing Steel SPCE DC04/ ST14 DDS

      Cold Rolled Steel

      Quality: Q195, Q215, Q235

      For Chemical Composition & Mechanical Properties of Cold Rolled China Steel refer to the table:

      Chemical Composition % Mechanical Properties
      Steel Brand C Si Mn P S Elongation % Yield
      Strength
      Mpa
      Tensile
      Strength
      Mpa
      Q195 0.06-0.12 <=0.30 0.25-0.50 <=0.045 <=0.050 >=33 >=195 315-430
      Q215 0.09-0.15 <=0.30 0.25-0.55 <=0.045 <=0.050 >=31 >=215 335-450
      Q235 0.14-0.22 <=0.30 0.30-0.65 <=0.045 <=0.050 >=26 >=235 375-500

      Hot Rolled Steel Designations & Grades with Comparisons:

      Quality STANDARD STEEL GRADE
      General structural steel (including chequered steel) GB/T 700-2006
      EN 10025-2004
      JIS G3101-2004
      ASTM A36-05
      ASTM A573-05
      Q235 (A/B/C/D); Q275 (A/B/C/D)
      S235JR (ST37-2), S235JO (ST37-3), S275JR (ST44-2)
      SS400; SS490
      A36
      Grade 65; Grade 70
      Cold forming steel GB/T 700-2006
      EN 10111-2008
      JIS G3131-2005
      Q195; Q215 (A/B)
      DD11 (StW22); DD12 (StW23); DD13 (StW24)
      SPHC; SPHD; SPHE
      High strength low alloy structural steel GB/T 1591-2008
      EN 10028-3-2003
      EN 10025-2004
      ASTM A572-07
      ASTM A588-05
      Q345 (A/B/C/D/E); Q390; Q420
      P355N
      S420N
      Grade 50; Grade 60
      Grade A; Grade B
      Steel for boiler and other pressure vessels GB 713-2008
      ASTM A537-08
      JIS G3115
      Q245R (20g/20R); Q345R (16Mng/16MnR)
      Class 1/2/3
      SPV235; SPV315; SPV355
      Machine structural steel GB/T 699-1999
      EN 10083-1
      JIS G4051-2005
      ASTM A29-05
      SAE J403-95
      20#; 35#; 45#
      C20E; C35E; C45E
      S20C; S35C; S45C
      1020; 1035; 1045
      SAE1020; SAE1035; SAE1045
      Steel for ship building LR; ABS, BV, GL, DNV, CCS A/B/D

      Hot Rolled Steel

      Quality: Q195, Q215, Q235, SPHC

      For Chemical Composition & Mechanical Properties of Hot Rolled China Steel refer to the table:

      Chemical Composition % Mechanical Properties
      Steel Brand C SiS Mn P S Elongation % Yield
      Strength
      Mpa
      Tensile
      Strength Mpa
      Q195 0.06-0.12 <=0.30 0.25-0.50 <=0.045 <=0.050 >=33 >=195 315-430
      Q215 0.09-0.15 <=0.30 0.25-0.55 <=0.045 <=0.050 >=31 >=215 335-450
      Q235 0.14-0.22 <=0.30 0.30-0.65 <=0.045 <=0.050 >=26 >=235 375-500
      SPHC 0.01-0.06 <=0.05 0.19-0.50 <=0.03 0.001-0.007 >=46 >=305 >=370

      Galvanized Steel and Galvalume Steel – China Steel Designations & Grades with Comparisons:

      Quality GB/T 2518-2004 JIS
      G3302
      G3321
      EN 10326-2004
      EN 10327-2004
      ASTM
      A653 / A653M
      ASTM
      A792 / A792M
      Commercial
      Steel
      01 SGCC (SGHC)
      SGCH
      SGLCC
      DX51D+Z/AZ CS
      TYPE A/B/C
      Forming Steel 02 SGCD1
      SGLCD1
      FS TYPE A/B
      Drawing Steel 03 SGCD2
      SGLCD2
      DX52D+Z/AZ DDS TYPE A/C
      Deep Drawing Steel 04 SGCD3
      SGLCD3
      DX53D+Z/AZ
      Structural Steel 220/250/280/
      320/350
      SGC (SGH)
      340/400/440
      SGL400/440
      S220/250/280/
      320/350GD
      +Z / AZ
      SS
      Grade
      33[230]-80[350]

      Galvanized Steel and Galvalume Steel

      Quality: Q195

      For Chemical Composition & Mechanical Properties of Galvanized China Steel refer to the table:

      Chemical Composition % Mechanical Properties
      Steel Brand C Si Mn P S Elongation % Yield Strength Mpa Tensile Strength Mpa
      Q195 0.06-0.12 <=0.30 0.25-0.50 <=0.045 <=0.050 >=33 >=195 315-430

      ERW Pipe – China Steel Designations & Grades with comparisons:

      STANDARD GRADE APPLICATION
      API 5CT J55, K55, N80 Low-Medium Pressure Fluid, Coal Gas Transportation, Heating Steam Supply, Thermoelectricity, Project Construction, Bridge Structure, Oil And Natural Gas Pressure Steel Tube etc.
      API 5L GR.B, X42/X46/X52/X56/x60/X70/X80
      ASTM A53
      ASTM A252
      ASTM A500
      GR.A / GR.B / GR.C GR.1/2/3

      Seamless Pipe – China Steel Designations & Grades with comparisons:

      STANDARD STEEL GRADE APPLICATION
      APPLICATION J55, K55, N80, L80, P110 Specification for Casing and Tubing
      API 5L A, B, X42/X46/X52/X56 Specification for Line Pipe
      ASTM A53 GR.A / GR.B Black Steel Pipe
      ASTM A106 GR.A / GR.B Seamless Carbon Steel For High Temperature Service
      ASTM A179 LOW CARBON STEEL Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger And Condenser Tubes
      Available Length: Random of 5-14m, we also can process the fixed 5.8m or 11.8m lengths.

      For Mechanical Properties of Seamless Pipe China Steel refer to the table:

      NO SERIES DESCRIPTION OF GOODS RAW MATERIAL SIZE (mm) PRECISION
      O.D. THICKNESS
      1 HOLLOW FORGING HOLE-DRILLING HOLLOW FORGING 10#, 20#, 35#, 45#, 20-35CrMo, 20-40Cr 51-96 2.7-15.0 TRADE STANDARD
      2 COLD DRAWING PIPE STRUCTURAL PIPE 10#, 20#, 35#, 45# 20-76 1.0-11.0 GB/T8162-1999
      3 DUCT LIQUID PIPE 10#, 20#, 20G, 20A 16-76 1.5-6.0 GB/T8163-1999
      4 LOW MEDIUM PRESSURE BOILER TUBE 10#, 20#, 20A, 20G 25-76 1.5-6.0 GB3087-1999
      5 SUPERIOR DRAWING PIPE SUPERIOR PULLING PIPE 20# 20-35CrMo, 20-40Cr 3-57 0.5-5.0 CLEANLINESS: Ra3.2 O.D.: +/- 0.02mm ENDOPORE: +/- 0.02mm
      6 WELDING PIPE SEAMLESSNESS Q195~235 SPHC SPCC, 0.8AL, H08 10-57 0.5-5.0

      Galvanized Pipe – China Steel Designations & Grades with comparisons:

      STANDARD SIZE (O.D*W.T) GRADE APPLICATION
      ASTMA53
      BS 1387
      EN 10255
      ? 21-219.1*1-8.18mm GR.A/B
      S195T
      S235
      HOT-DIP ZINC COATED STEEL PIPE (WELDED AND SEAMLESS)

      Square Tube and Rectangular Tube – China Steel Designations & Grades with comparisons:

      STANDARD GRADE APPLICATION
      EN10219,
      ASTM A500,
      JIS3466,
      GB/T6728, GB/T6725
      S235JR, S275JR
      GR.A, GR.B
      SS400, SS490
      Q195, Q235
      LARGE BUILDINGS, LARGE
      EQUIPMENTS, BRIDGE
      AND STEEL
      STRUCTURE, etc.
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