Qhov ntau thiab tsawg:
Tawm txoj kab uas hla: 1/2 nti --- 24 nti
Phab ntsa Thickness: SCH10,SCH20,SCH40,SCH80
Ntev: 1m--18m
Packing:ASTM A53 GR.B ERW steel yeeb nkab ntim rau hauv cov thawv ntoo, hnab yas, cov hlua hlau, lossis raws li cov neeg siv khoom thov
Ua tiav:Liab qab, Oiled, Mill Varnish, Galvanized, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Qhob Txheej thiab daim kab xev qhwv.
Xaus Finishes:Beveled, Square Cut, Threaded & Coupled.
Daim ntawv thov:Kev siv cov qauv, kev thauj mus los (dej, roj, thiab huab cua).
Chemical muaj pes tsawg leegthiab Mechanical Performance:
|
Hom S (seamless) |
Hom E (hluav taws xob-tsis kam welded) |
Hom F (lub qhov cub - welded yeeb nkab) |
|||
|
Qib A |
Qib B |
Qib A |
Qib B |
Qib A |
|
|
Cov pa roj carbon max. % |
0.25 |
0.30 |
0.25 |
0.30 |
0.3 |
|
Manganese% |
0.95 |
1.2 |
0.95 |
1.2 |
1.2 |
|
Phosphorus, max. % |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
|
Sulfur, max. % |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
|
Tooj liab, max.% |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Nickel, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Chromium, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Molybdenum, max. % |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
Vanadium, max. % |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
Tensile Requirements
|
Seamless thiab Electric-kuj-welded |
Nruam -Welded |
||
|
Qib A |
Qib B |
||
|
Tensile zog, min., psi |
48,000 |
60,000 |
45,000 |
|
Yield zog, min., psi |
30,000 |
35,000 |
25,000 |
Cim npe nrov: astm a53 gr.a erw yeeb nkab, Tuam Tshoj astm a53 gr.a erw yeeb nkab manufacturers, lwm tus neeg, Hoobkas
