Chrome moly phaj raws li ASTM A387 nyob rau hauv cov qib serveral uas muaj cov ntsiab lus sib txawv raws li hauv qab no, cov qib siv feem ntau yog Gr 11, 22, 5, 9 thiab 91.
|
Qib |
Nominal Chromium Cov ntsiab lus,% |
Nominal Molybdenum Cov ntsiab lus,% |
|---|---|---|
|
2 |
0.50 |
0.50 |
|
12 |
1.00 |
0.50 |
|
11 |
1.25 |
0.50 |
|
22, 22L |
2.25 |
1.00 |
|
21, 21L |
3.00 |
1.00 |
|
5 |
5.00 |
0.50 |
|
9 |
9.00 |
1.00 |
|
91 |
9.00 |
1.00 |
Tsuas yog 21L, 22L thiab 91, txhua qib muaj nyob rau hauv ob chav kawm ntawm qib tensile lub zog raws li tau hais tseg hauv cov lus xav tau tensile. Qib 21L thiab 22L tsuas muaj hoob 1 xwb, thiab Qib 91 tsuas muaj hoob 2 xwb.
Raws li cov qauv rau ASTM A387 Alloy Steel Phaj
ASTM
A20 / A20M: Cov kev cai dav dav rau cov phaj siab.
A370: Test specification rau txhua yam khoom ntawm hlau
A435 / A435M: Rau ncaj-beam ultrasonic kuaj ntawm steel daim hlau
A577 / A577M: Rau ultrasonic lub kaum sab xis kuaj ntawm cov hlau phaj
A578 / A578M: Rau txoj kab ncaj nraim UT kev tshuaj xyuas ntawm cov hlau yob hauv cov ntawv tshwj xeeb
A1017 / A1017M: Specification rau siab vessle daim hlau ntawm hlau alloy, chromium-molybdenum-tungsten
AWS Specification
A5.5 / A5.5M: Tsawg alloy steel electrodes rau shield hlau arc vuam.
A5.23 / A5.23M: Tsawg alloy steel electrodes rau fulxes rau submerged arc vuam.
A5.28 / A5.28M: Rau roj shielded arc vuam
A5.29 / A5.29M: Rau flux cored arc vuam.
Cim npe nrov: astm a387 qib 11, 22 chrome moly alloy steel phaj specification, Tuam Tshoj astm a387 qib 11, 22 chrome moly alloy steel phaj specification manufacturers, lwm tus neeg, Hoobkas
