ASTM A709 kila

ʻO kahi pā kila kiʻekiʻe, haʻahaʻa-alloy i hoʻohana mua ʻia i ka hana ʻana i nā alahaka. Nā waihona kila Gnee A709 Papa 36, ​​A709 Papa 50 a me A709 Papa 50W. Hōʻike pinepine ʻia kēia mau māka me nā hōʻike Charpy e kuhikuhi ana i ka ʻāpana kikoʻī a i ʻole ka wela lawelawe haʻahaʻa i manaʻo ʻia. Ua kuhikuhi ʻia nā hoʻokolohua Charpy ma ke ʻano he koʻikoʻi non-fracture, ʻo ia ka hoʻāʻo per-heat (frequency "H"), a i ʻole fracture critical, ʻo ia ka hoʻāʻo per-plate (Frequency "P").

Nā kikoʻī:
Mānoanoa: 3mm--150mm
Laulā: 30mm--4000mm
Ka lōʻihi: 1000mm--12000mm
Kūlana: ASTM EN10025 JIS GB

ASTM A709 (Papa 36, ​​50 a me 50W) Hoʻohui Kimia
Mea Mechanical 709 Gr 36:

Uku: 58 a 80 ksi
Ka hua: 36 ksi min
Elongation: 18% min i 8" 21% min i 2"

Nā Pono Mechanical 709 Gr 50:

Hoʻopale: 65 min ksi
Ka hua: 50 ksi min
Elongation: 16% min i 8" 19% min i 2"

Mea Mechanical 709 Gr 50W:

Hoʻopale: 65 min ksi
Ka hua: 50 ksi min
Elongation: 16% min i 8" 19% min i 2"