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API 2H 7th Edition - Regency Steel Asia

API 2H 7th EditionChemical Composition, %*1 Designation Grade CSiMnPSNbTiAlNi V Zr Ce* max. (Cb) 2H42 ~ *1~ ~ *2*3 *3 [ *6] [ ~ ] [ ~ ] [ ] [ ] [ ]max.[ ~ ] [ ]50 ~ *1~ ~ ~ *2*3 *3 [ ] [ ~ ] [ ~ ] [ ] [ ] [ ~ ][ ~ ] [ ]*1 Manganese up to on heat analysis, on product analysis, is permitted at the option of the materialmanufacturer.*2 Shall not be intentionally added.*3 Shall not be intentionally added without the specific approval of the purchaser, in which case the limiting values forheat and product analyses shall be as agreed upon stated on the order.

API 2H 7th Edition Chemical Composition, %*1 Designation Grade C Si Mn P S Nb Ti Al Ni V Zr Ce*4 max. max. max. (Cb) max. max. max. API 2H 42 0.18 0.05~0.40 0.90*1~1.35 0.030 0.010 0.04max. 0.020 0.02~0.06 0.012*2 *3 *3 0.0100 [0.22*6] [0.05~0.45] [0.084~1.46] [0.040] [0.015] [0.05]max.[0.015~0.06] 0.017 [0.0110]

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Transcription of API 2H 7th Edition - Regency Steel Asia

1 API 2H 7th EditionChemical Composition, %*1 Designation Grade CSiMnPSNbTiAlNi V Zr Ce* max. (Cb) 2H42 ~ *1~ ~ *2*3 *3 [ *6] [ ~ ] [ ~ ] [ ] [ ] [ ]max.[ ~ ] [ ]50 ~ *1~ ~ ~ *2*3 *3 [ ] [ ~ ] [ ~ ] [ ] [ ] [ ~ ][ ~ ] [ ]*1 Manganese up to on heat analysis, on product analysis, is permitted at the option of the materialmanufacturer.*2 Shall not be intentionally added.*3 Shall not be intentionally added without the specific approval of the purchaser, in which case the limiting values forheat and product analyses shall be as agreed upon stated on the order.

2 *4 Analysis not required if cerium or "rare earths" not intentionally added.*5 The carbon equivalent (ceq.) shall be determined by the following = C + Mn +Cr+Mo+V +Ni + Cu %6 5 15*6 [ ] shows product TestImpact Test*3 Ceq.*5 YieldTensileElongation, %, min Option Specimen Size Test Temp. Min. Average Min. SingleThicknessMax. Strength ksi Strength ksi GL=2 in. GL=8 (0C) Energy ft lb Energy ft lbin. mm(MPa) min.(MPa) ( ) ( )(J)(J)t 2-1 ~822420A10 x 10 -40 (-40) 25 (34)20 (27)( )(289)(427-565)B10 x -40 (-40) 25 (34)20 (27)t 2-1 x -40 (-40) 25 (34)20 (27)( )D10 x -50 (-46) 19 (26)15 (20)E10 x -80 (-62) 13 (18)10 (14)t 2 ( ) ~902318A10 x 10 -40 (-40) 30 (41)25 (34)(345)(482~620)B10 x -40 (-40) 30 (41)25 (34)t > 2 ( ) x -40 (-40) 30 (41)25 (34)(324)D10 x -50 (-46) 23 (31)19 (26)E10 x -80 (-62) 15 (20)13 (18)

3 Supplementary requirementsS1 Ultrasonic ExaminationS2 Notch Toughness at Lower Toughness at -60 Toughness at Other Than -40 C or -60 Notch Toughness Energy ValuesS3 Individual Plate TestingS4 Through-Thickness (Z-Direction) TestingS5 Low Sulfur Steel for Improved Through-Thickness PropertiesS7 Low Nitrogen Content for Improved Notch Toughness in Strain-Aged ConditionS8 Strain-Edged Charpy V-Notch Impact TestsS9 Simulated Post-Weld Heat TreatmentS11 Preproduction QualificationS12 Notch Toughness Using Drop WeightS13 Surface QualityS14 Thickness Tolerance8 Cross Street #24-03 PWC Building Singapore 048424 Tel: (65) 6221 0018 Fax: (65) 6224 6771 Kranji Yard: No.

4 20 Kranji Loop Singapore 739556 Gul Crescent Yard: Lot No. 1055110 Gul Crescent


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