ASTM A588 yog cov qauv kev qhia tshwj xeeb rau cov hlau tsis muaj zog uas tsis tshua muaj hlau siv dav hauv ntau yam kev tsim kho thiab engineering, suav nrog plaub qib: Qib A, Qib B, Qib C thiab Qib K.
ASTM A588 high-strength alloy yeeb nkabyog ib qho kev qhia tshwj xeeb rau cov hlau tsis muaj zog uas tsis tshua muaj hlau siv dav hauv ntau yam kev tsim kho thiab engineering, suav nrog plaub qib: Qib A, Qib B, Qib C thiab Qib K.
Ntawm lawv, ASTM A588 Qib A structural steel yeeb nkab thiab B yog cov huab cua-resistant steel tsim los ntawm kev ntxiv tooj liab, chromium thiab lwm yam khoom rau cov qauv carbon zoo tib yam. Lub zog tensile yog 485 MPa (70 ksi) thiab 585 MPa (85 ksi) feem, cov khoom muaj zog yog 345 MPa (50 ksi) thiab 485 MPa (70 ksi) feem, thiab elongation tsis tsawg dua 21%.
ASTM A588 Qib C alloy yeeb nkab thiab K ntxiv txhim kho atmospheric corrosion kuj thiab tawg kuj los ntawm kev ntxiv tooj liab, npib tsib xee thiab lwm yam khoom. Qib C muaj lub zog tensile ntawm 570 MPa (83 ksi), yield zog ntawm 460 MPa (67 ksi), thiab elongation tsis tsawg dua 20%.
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Txuj: ASTM A 588 / ASME SA 588
Puab: puag ncig, square, duab plaub, Hydraulic, Honed Tubes
Qhov Loj: ½ "OD txog 16" OD
Length: Ib qho Random, Ob Chav Random & Txiav Length
Hom: Weathering Steel
Xaus: Plain End, Beveled End
ASTM A588 Corten Steel Seamless Tubing Chemical Requirements:
| Qib | C | Mn | P | S | Si | Cr | Ni | Cu |
| ASTM A588 Cov Lus Qhia Tshwj Xeeb | 0.20 | 0.75-1.30 | 0.04 max | 0.050 | 0.15-0.50 | 0.30-050 | 0.50 max | 0.20-0.40 |
CORTEN A588 Weathering Steel Tube Mechanical Properties:
| Qib | Yield zog Min Mpa |
Tensile zog Min Mpa |
Elongation % (min) |
| ASTM A588 Cov Lus Qhia Tshwj Xeeb | 485 | 345 | 21 |
ASTM A558 High Strength Low Alloy Steel Yeeb Nkab
GNEE Cov kev pabcuam muaj nqis ntxiv
UT (Ultrasonic kuaj)
AR (Raws li Kub Rolled nkaus xwb)
TMCP (Thermal Mechanical Control Processing)
N (Normalized)
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