ʻO ASTM A234 WPB & WPC paipu paipu me nā kuʻekuʻe lima, tee, nā mea hoʻemi

ʻO ka wehewehe pōkole:

Hoʻopili kēia ʻōlelo kikoʻī i ke kila kalapona i hana ʻia a me nā mea kila kila o ka hana ʻole a welded.No ka hoʻohana ʻana i kēia mau mea pono i ka paipu kaomi a me ka hana ʻana i ka moku kaomi no ka lawelawe ʻana i nā mahana haʻahaʻa a kiʻekiʻe.ʻO nā mea no nā mea hoʻopili e komo i ke kila pepehi ʻia, forgings, bars, plates, seamless or fusion-welded tubular products with filler metal added.Hiki ke hana ʻia nā hana forging a hoʻohua ʻana paha ma ka hāmare, kaomi ʻana, hou, extruding, upsetting, rolling, bending, fusion welding, machining, a i ʻole ma ka hui ʻana o ʻelua a ʻoi aku paha o kēia mau hana.E hoʻohana ʻia ke kaʻina hana i ʻole e hoʻopuka i nā hemahema i loko o nā mea pono.ʻO nā mea pono, ma hope o ka hoʻokumu ʻia ʻana ma kahi wela kiʻekiʻe, e hoʻomaloʻo ʻia i kahi mahana ma lalo o ka pae koʻikoʻi ma lalo o nā kūlana kūpono e pale ai i nā pōʻino ʻino i hoʻokumu ʻia e ka wikiwiki loa, akā ʻaʻole i ʻoi aku ka wikiwiki ma mua o ka nui o ka hoʻoluʻu ʻana i ka ea.E hoʻokau ʻia nā mea pono i ka hoʻāʻo ʻana, ka hoʻāʻo paʻakikī, a me ka hoʻāʻo hydrostatic.


Huahana Huahana

Huahana Huahana

Ka Hui Kimia o ASTM A234 WPB & WPC

ʻElemu

Maʻiʻo, %

ASTM A234 WPB

ASTM A234 WPC

Kalapona [C]

≤0.30

≤0.35

Manganese [Mn]

0.29-1.06

0.29-1.06

ʻŌpala [P]

≤0.050

≤0.050

Sulfur [S]

≤0.058

≤0.058

Silika [Si]

≥0.10

≥0.10

Chromium [Cr]

≤0.40

≤0.40

Molybdenum [Mo]

≤0.15

≤0.15

Nikela [Ni]

≤0.40

≤0.40

keleawe [Cu]

≤0.40

≤0.40

Vanadium [V]

≤0.08

≤0.08

*ʻAʻole ʻoi aku ka nui o ka Carbon Equivalent [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] ma mua o 0.50 a e hōʻike ʻia ma MTC.

Nā Pono Mechanical o ASTM A234 WPB & WPC

Nā papa helu ASTM A234

Paʻa Paʻa, min.

Ka ikaika hua, min.

Elongation %, min

ksi

MPa

ksi

MPa

Ka lōʻihi

Kūʻē

WPB

60

415

35

240

22

14

WPC

70

485

40

275

22

14

*1.ʻO nā mea paipu WPB a me WPC i hana ʻia mai nā papa e loaʻa ka liʻiliʻi o 17%.
*2.Inā ʻaʻole koi ʻia, ʻaʻole pono e hōʻike ʻia ka waiwai paʻakikī.

Hana ʻia

Hiki ke hana ʻia nā paipu kalapona kalapona ASTM A234 mai nā paipu liʻiliʻi, nā paipu welded a i ʻole nā ​​​​palapala ma ka hana ʻana i nā hana o ke kaomi ʻana, piercing, extruding, bending, fusion welding, machining, a i ʻole ma ka hui ʻana o ʻelua a ʻoi aku paha kēia mau hana.ʻO nā welds āpau me nā welds i loko o nā huahana tubular kahi i hana ʻia ai nā mea pono e hana ʻia e like me ka ASME Section IX.Hoʻomaʻamaʻa wela ma hope o ka weld ma 1100 a 1250 ° F [595 a 675 ° C] a me ka hoʻokolokolo radiographic e hana ʻia ma hope o ke kaʻina hana kuʻi.


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