ASME焊材采购书.doc

PURCHASE SPECIFICATIONDOC. NO.:UD2-07-REV. 0PAGE 1 OF 4WELDING MATERIAL PURCHASE SPECIFICATIONFOR SUBMERGED-ARC WELDING ELETRODE EH14 AND FLUX F48A4-EH14(F7A4-EH14)JOB NO. 0FIRST ISSUEDREV.DESCRIPTIONPREPARED BYAPPROVED BYCo., Ltd. PURCHASE SPECIFICATIONDOC. NO. :UD2-07-REV. 0PAGE 2 OF 4 1. Scope This specification is provided description for purchasing submerged- arc welding electrode EH14 and flux F48A4-EH14(F7A4-EH14) for JOB No. 07U1 item (Compressed air Storage Tank). The procurement details are listed in Table 1. Table 1 Electrode Flux A. Quantity 250 kg 25 B. Specification SFA-5.17 SFA-5.17 C. Brand EH14 F48A4-EH14(F7A4 D. Diameter and size Φ4 mm E. Unit package and weight 25kg 25kg coil without support F. Manufacture: Electrode: JIN ZHOU JIN TAI WELDING METAL CO.,LTD Flux: JIN ZHOU SWAN WELDING CONSUMABLE CO.,LTD 2. Testing A. Chemical analysis The chemical composition of the electrode and flux shall meet Table 2 requirement Table 2 Chemical composition ％ C. Mn Si Cu S P Electrode 0.10/0.20 1.70-2.20 ≤0.10 ≤0.35 ≤0.030 ≤0.030 Notes: The copper limit includes any copper coating that may be applied to the electrode.B. Mechanical property The deposited weld metal that welded using F48A4-EH14(F7A4-EH14) Flux and EH14 electrode shall meet Table 3 requiremnets.PURCHASE SPECIFICATIONDOC. NO. :UD2-07-REV. 0PAGE 3 OF 4 Table 3 Mechanical property T.S(σb) Y.S(σ0.2) E(σ5) Akv 480~660MPa ≥400MPa ≥22％