ASTM A709 yog tus qauv kev qhia tshwj xeeb rau daim hlau, tuav, thiab cov duab siv rau cov qauv hlau txuas hniav thiab siv rau Carbon HSLA (High Strength Low Alloy), Q&T (Quench & Tempered), thiab stainless- steel hlau. ASTM A709 qib 36,50,70, thiab 100 suav nrog cov npe rau kev txhim kho atmospheric corrosion resistance (W). Cov qauv no yog raws li American Association of State Highway and Transportation Officials (AASHTO) cov kev cai rau cov khoom nro hauv cov choj.
|
Qib |
Thickness |
Dav |
Ntev |
|---|---|---|---|
|
50 |
0.1875 - 3.00 |
72 - 120 |
240 - 1200 |
Dav: Thov nug rau phaj dav tsawg dua 72 nyob rau hauv. thiab tshaj 120 nyob rau hauv. Nug rau qhov dav ntau dua 96 nyob rau hauv. rau thicknesses tsawg dua 0.250 nyob rau hauv.
Length: Thov nug rau cov phaj ntev dua li qhov teev maxima. Phaj ntev yuav raug txwv los ntawm qhov siab tshaj plaws ntawm tus neeg phaj qhov hnyav ntawm 66,000 lbs. Phaj ntev siab tshaj plaws ntawm 960 in. rau thicknesses tsawg dua 7/16 nyob rau hauv.
1) Thov nug rau cov thicknesses ntau dua 2.50 nti txog 3.0 nti.
|
Qib |
Thickness |
Yield zog 1) |
Tensile zog |
Elongation hauv 2 "2) |
Elongation hauv 8 "2) |
|---|---|---|---|---|---|
|
50 |
0.1875 - 3.00 |
50 |
65 |
21 |
18 |
Khoom Siv Chemistry
|
C |
MN |
P |
S |
SI |
NI |
CR |
CU |
V |
|
0.19% Max |
0.80 – 1.25% |
0.030% Max |
0.030% Max |
0.30 – 0.65% |
0.40% Max |
0.40 – 0.65% |
0.25 – 0.40% |
0.02 – 0.10% |
FAQ:
Q: Cov nqe lus shipping yog dab tsi?
A: Peb lees txais FOB, CIF, CFR thiab lwm yam kev xa khoom thoob ntiaj teb. Chaw nres nkoj ntawm kev thauj khoom tuaj yeem teev raws li cov neeg siv khoom xav tau.
Q: Koj puas yog lub Hoobkas lossis tuam txhab lag luam?
A: Peb yog cov chaw tsim khoom thiab muaj ntau xyoo kev tsim khoom thiab kev tswj xyuas.
Q: Koj puas muaj kev pabcuam tom qab- muag?
A: Tau kawg, koj tuaj yeem tiv tauj peb txhua lub sijhawm.peb cog lus tias peb cov khoom tsim nyog. Yog tias koj pom cov khoom tsis tsim nyog thiab tsis txaus siab rau qhov koj xav tau, thov hu rau peb txhua lub sijhawm.
Cim npe nrov: a709 qib 50 steel phaj rau txuas hniav, Tuam Tshoj a709 qib 50 steel phaj rau choj manufacturers, lwm tus neeg, Hoobkas
