ASTM A193 B7 Hex Lub Taub Hau Bolt DIN933 DIN931
Hom: Lub luj tshib, Tee, Reducer, Hla, Cap
Loj: 1/2"-60"
Thickness: Sch5s-Schxxs
Txuj: ASME, MSS, ISO, DIN, JIS
ASTM A193 B7 hex taub hau ntsia liaj qhov rooj DIN933 DIN931
Hex bolts muaj hexagonal taub hau thiab tshuab threads siv nrog ib tug txiv ntseej los yog nyob rau hauv ib tug tapped qhov. Kuj tseem hu ua hex cap screws lossis tshuab bolts. Hex bolts muaj cov xov me me thiab lub ntsej muag du, thiab tej zaum yuav yog cov hlau dawb rau cov haujlwm sab hauv lossis cov hlau tsis muaj steel lossis galvanized rau sab nrauv siv. Cov ntsia hlau ntoo muaj ib txoj hlua khi thiab siv los txuas cov ntoo rau ntoo. Cov ntsia hlau no tuaj yeem muaj ob peb lub sijhawm sib txawv ntawm cov xov
2. ASTM A193 B7 khoom qib tshuaj lom neeg muaj pes tsawg leeg thiab cov cuab yeej siv tshuab
Khoom Kev tsom xam Kev hloov pauv | Kev piav qhia thiab UNS Lub Npe | C | Mn | P | S | Si | Cr | Mo |
B7 B7M | Chromium-Molybdenum | 0.38-0.48 | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Qib | Txoj kab uas hla, hauv. | Yam tsawg kawg nkaus Tempering, ℉ | Tensile zog, min, ksi | Yield Strength, min, 0.2 feem pua offset, ksi | Elongation hauv 4D, min, feem pua | Qhov txo qis ntawm cheeb tsam, min, feem pua | Hardness, max |
B7 Chromium-molybdenum | 2 1/2 thiab qis dua | 1100 | 125 | 105 | 16 | 50 | 321 HWB or 35 HRC |
Tshaj 2 1/2 rau 4 | 1100 | 115 | 95 | 16 | 50 | 321 HWB or 35 HRC | |
Tshaj 4 rau 7 | 1100 | 100 | 75 | 18 | 50 | 321 HWB or 35 HRC | |
B7M Chromium-Molybdenum | 4 thiab sub | 1150 | 100 | 80 | 18 | 50 | 235 HBW or 99 PAB |
Tshaj 4 rau 7 | 1150 | 100 | 75 | 18 | 50 | 235 HBW or 99 PAB |
3. ASTM A193 B7 hex bolt marking
Cim npe nrov: astm a193 b7 hex taub hau ntsia liaj qhov rooj din933 din931, Tuam Tshoj, manufacturers, hoobkas, nqe, customized
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