การเลือกลวดเชื่อม
   การเลือกลวดเชื่อม SS400-304แน่นอนว่าต้องเลือกลวดเชือมของ304เพราะมีคุณสมบัติสูงกว่าแต่มันระบุไว้ตรงใหนของ ASME ผมหาไม่เจอช่วยบอกหน่อยครับ
โดย: wdt [6 ม.ค. 52 9:54] ( IP A:61.7.143.12 X: )
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ความคิดเห็นที่ 1
   ดูใน spec ของลวดเชื่อม ใช้เชื่อมคาร์บอนกับสเตนเลสหรือไม่ ถ้าเป็นอย่างที่ผมคิด ต้องใช้ลวดเชื่อม 309 ครับ
โดย: kmitnb/wdt 8 [6 ม.ค. 52 17:46] ( IP A:124.157.250.14 X: )
ความคิดเห็นที่ 2
   มันมีตารางให้เทียบใหมครับอย่างเช่น387-304หรืออื่นๆ
โดย: wdt [7 ม.ค. 52 16:40] ( IP A:61.7.143.12 X: )
ความคิดเห็นที่ 3
   เด๋ววันหน้า (ถ้าว่างนะครับ!) ผมจะมาอัพเรื่องการเลือกลวดและกรเขียน WPS อย่างง่ายให้ศึกษานะครับ
โดย: ปอ Pluto project (Web master) [30 ม.ค. 52 20:50] ( IP A:114.128.103.73 X: )
ความคิดเห็นที่ 4
   1. See welding consome catalog better.
2. มันมีตารางให้เทียบใหมครับอย่างเช่น387-304หรืออื่นๆ =>See welding consome catalog (WELL, Bohler,.....)
3. priority processing compare chemical composition.==>(consider Cr, Ni)
โดย: Inspector Level 0 [10 ก.พ. 52 21:49] ( IP A:115.67.151.183 X: )
ความคิดเห็นที่ 5
   For ASME(dissimilar Material)
Chemical composition?
If unassign metal (SS400) attach mill cert. and compare chemical composition.
P No.?
F No.?
A No.?
โดย: Inspector Level 0 [10 ก.พ. 52 21:59] ( IP A:115.67.151.183 X: )
ความคิดเห็นที่ 6
   อยากทราบว่าการเชื่อมคาร์บอนจะสามารถเปลี่ยนมาใช้แก๊สไนโตรเจนแทนคาร์บอนไดออกไซด์ได้มั้ยครับ
โดย: tongdumus [28 เม.ย. 52 12:10] ( IP A:125.24.239.100 X: )
ความคิดเห็นที่ 7
   ใช้ 309 ได้ครับ

โดย: IP-KMWT [16 ม.ค. 53 16:24] ( IP A:122.154.19.50 X: )
ความคิดเห็นที่ 8
   การเชื่อมแสตนเลส 316 กับเหล็กเหนียวSS400 ใช้ลวดเชื่อมชนิดไหนจะไม่ทำให้เกิดรอยแตกร้าว
โดย: kanchisa-sw@hotmail.com [12 ม.ค. 54 10:48] ( IP A:223.207.171.229 X: )
ความคิดเห็นที่ 9
   ตามตารางข้างบนเลยครับ
โดย: ปอ PE [1 เม.ย. 54 21:46] ( IP A:180.180.90.73 X: )
ความคิดเห็นที่ 10
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โดย: gf [4 พ.ย. 54 15:13] ( IP A:125.26.131.125 X: )
ความคิดเห็นที่ 11
   ใน Appendix D ของ API. 577 มีสรุปเป็นตารางไว้ให้ครับ ลองดู
โดย: พายุพัด ผลบุญ [4 ก.ค. 55 10:52] ( IP A:203.144.139.232 X: )
ความคิดเห็นที่ 12
   เท่าที่ผมใช้อยู่ในตอนนี้ เป็น309 นะครับสำหรับงานคาร์บอนกับแสตนเลส
โดย: Peck [27 มี.ค. 56 16:19] ( IP A:27.55.144.36 X: )
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