ʻO ASTM A307 Māhele B Nā Paʻa Hex Kaumaha
ʻO ka wehewehe pōkole:
ʻO ASTM A307 Grade B Heavy Hex Bolts Heavy Hex Cap Screws Kūlana: ASME B18.2.1 (Loaʻa pū kekahi ʻano o ka hoʻonohonoho ʻana) Nui Uila: 1/4"-4" me nā lōʻihi like ʻole Papa: ASTM A307 Grade B Finish: Black Oxide, ʻO Zinc Plated, Hot Dip Galvanized, Dacromet, a pēlā aku Hoʻopili: Bulk ma kahi o 25 kgs i kēlā me kēia pahu pahu, 36 pahu pahu i kēlā me kēia pallet Pōmaikaʻi: High Quality and Strict Quality Control, Competitive Price, Timely Delivery; Kākoʻo ʻenehana, nā hōʻike hōʻike hoʻolako E ʻoluʻolu e kelepona mai iā mākou no ka mo...
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ASTM A307 Papa B KaumahaHex BoltsNā Uwila Kāpena Hex Kaumaha
Kūlana: ASME B18.2.1
(Loaʻa pū kekahi ʻano hoʻonohonoho like ʻole)
Nui o ka Uila: 1/4”-4” me nā lōʻihi like ʻole
Papa: ASTM A307 Papa B
Hoʻopau: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, a pēlā aku
Hoʻopili: Bulk ma kahi o 25 kgs i kēlā me kēia pahu, 36 mau pahu i kēlā me kēia pallet
Pōmaikaʻi: ʻO ke kūlana kiʻekiʻe a me ka mana koʻikoʻi, ke kumukūʻai hoʻokūkū, ka hoʻouna manawa; Kākoʻo ʻenehana, hoʻolako i nā hōʻike hoʻāʻo
E ʻoluʻolu e kelepona mai iā mākou no nā kikoʻī hou aku.
ASTM A307
Hoʻopili ka ASTM A307 kikoʻī i nā bolts kila kalapona a me nā studs mai 1/4 ″ a hiki i 4 ″ anawaena. ʻO kēia kāu i kēlā me kēia lā, ka holo ʻana o ka wili bolt kikoʻī i hana pinepine ʻia me ka hoʻohana ʻana i ka pahu pōʻai A36. Aia ʻekolu mau māka A, B, a me C* e hōʻike ana i ka ikaika tensile, hoʻonohonoho, a me ka noi. E nānā i ka Papa Hana Mechanical Properties no nā ʻokoʻa ikaika maʻalahi i loko o kēlā me kēia papa.
A307 Papa
| A | ʻO nā kī poʻo, nā lāʻau i hoʻopaʻa ʻia a me nā bolts i hoʻopaʻa ʻia no nā hana maʻamau. |
|---|---|
| B | ʻO nā bolts hex kaumaha a me nā studs i manaʻo ʻia no nā hui flanged i nā ʻōnaehana paipu me nā lepa hao. |
| C* | ʻO nā kī heleuma poʻo ʻole, piʻo a pololei paha, i manaʻo ʻia no ka hoʻokumu ʻana i nā kumu. E pena ʻia ka hope o kahi pahu heleuma papa C i manaʻo ʻia e hana mai ke kaʻa i ka ʻōmaʻomaʻo no ka ʻike ʻana. ʻO ka hoʻopaʻa ʻana he koi hoʻohui. *Ma ʻAukake 2007, ua pani ʻia ka papa C e ka kikoʻī F1554 papa 36. E hoʻomau mākou i ka hoʻolako ʻana i ka papa C, inā makemake ʻia e ka papahana. |
A307 Mea Mechanical
| Papa | Kuʻi, ksi | Hāʻawi, min, ksi | Elong %, min |
|---|---|---|---|
| A | 60 min | – | 18 |
| B | 60 – 100 | – | 18 |
| C* | 58 – 80 | 36 | 23 |
A307 Na Waiwai Kemika
| ʻElemu | Papa A | Papa B |
|---|---|---|
| Carbon, max | 0.29% | 0.29% |
| Manganese, max | 1.20% | 1.20% |
| Phosphorus, max | 0.04% | 0.04% |
| Sulfur, max | 0.15% | 0.05% |
A307 Lako Paa Manawa
| Nati | Mea holoi | ||
|---|---|---|---|
| A307 Papa A & C* | A307 Papa B | ||
| 1/4 – 1-1/2 | 1-5/8 – 4 | 1/4 – 4 | |
| A563A Hex | A563A Hex Kaumaha | A563A Hex Kaumaha | F844 |
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