ʻO GB/T 9948-2013 Papa 1Cr2Mo ʻAla ʻAla ʻAla Naʻi Pipes Seamless Steel Paipu Kiʻi ʻia.

GB/T 9948-2013 Papa 1Cr2Mo ʻAila Naʻi ʻAla Paipu Paipu ʻAla ʻole

ʻO ka wehewehe pōkole:

ʻO ka paipu māhā ʻaila he paipu kila ʻeleʻele ʻole, lōʻihi.Ka hoʻohana ʻana i ka paipu ʻaila ʻaila: Hoʻohana ʻia ia no ka lawe ʻana i ka ʻaila, kerosene, ka aila diesel a me nā huahana aila ʻē aʻe, hiki ke pale i ka corrosion a me ka lole.ʻO ka paipu hoʻoheheʻe Petroleum (gb9948-83) he paipu kila papa mua i kūpono no ka hoʻoheheʻe honua a me ka wili ʻana i nā ʻoihana.

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Hoʻolauna huahana

ʻO ka ʻokiʻoki ʻana i ka paipu ʻaila ʻaila, ka ʻoki ʻana i ka paipu ʻokiʻoki i ka ʻaila, hoʻohana nui ʻia ka paipu ʻaila ʻaila no ka hana ʻana i ke kiʻekiʻe kiʻekiʻe a ma luna o ke kaomi ʻana i ka paipu pahu pahu o ke kila kila kiʻekiʻe, ke kila kila a me ke kila wela-kūpaʻa kiʻekiʻe kiʻekiʻe kiʻekiʻe. ʻO nā paipu paila e hana ma lalo o ke kiʻekiʻe o ka mahana a me ke kaomi, ʻo ka paipu i ke kūlana o ke kinoea flue wela kiʻekiʻe a me ka mahu wai e hoʻoheheʻe ʻia a me ka corrosion, no laila e koi ʻia ka paipu maʻi ʻaila e loaʻa ka ikaika mau loa No laila, koi ʻia ka ʻaila ʻaila loaʻa ka ikaika hoʻomanawanui kiʻekiʻe, ke kūpaʻa oxidation kiʻekiʻe, a me ke kūpaʻa hoʻonohonoho maikaʻi.

ʻO ka paʻakikī o ka paipu pohā ʻaila he hopena nui i nā waiwai mechanical, akā ʻaʻole pono nā ʻāpana mechanical a pau e paʻakikī loa.No ka laʻana, ʻo ka kulou, nā ʻāpana koʻikoʻi koʻikoʻi, nā ʻāpana mālama wela wela, a me nā mea ʻē aʻe, pono wale i kahi hohonu o ka papa paʻakikī e hoʻokō i nā koi o ka hoʻohana.ʻO ka quenchability o ka paipu māwae ʻaila i hoʻoholo nui ʻia e ka helu hoʻomaha koʻikoʻi, ʻoi aku ka liʻiliʻi o ka nui o ka hoʻoluʻu koʻikoʻi, ʻoi aku ka maikaʻi o ka hoʻopau ʻana o ka paipu ʻaila ʻaila, a ʻo ia hoʻi, ʻo ka haʻahaʻa o ka quenchability o ka paipu ʻaila.Ma waho aʻe o Co, hiki i ka hapa nui o nā mea hoʻohui ke hoʻomaikaʻi nui i ka paʻakikī o ke kila.

Hoʻolauna Makeke

ʻO ka mākeke paipu hoʻoheheʻe ʻaila i luna a i lalo, ʻoi aku ka ikaika o ka pāʻani lōʻihi a pōkole, hui ʻia ka mākeke bearish, ka mea i alakaʻi i ka ulu ʻana o ka manaʻo kali-a-ʻike, ua hoʻōki ʻia ke koi mākeke.E like me ka lā kālepa hope loa ma mua o ka lā hoʻomaha o ka wā e hiki mai ana nā kumukūʻai, a ʻaʻohe kālepa o ka wā e hiki mai ana i ka wā hoʻomaha, no laila, ua wehe ʻia ka mākeke ma ka lā 10 o ka wā e hiki mai ana ka hoʻomau ʻana o ka emi ʻana.Inā hele haʻahaʻa ka wā e hiki mai ana, i ka loaʻa ʻole o ka nūhou maikaʻi e hoʻonui ai i ka hiki ke hoʻonui ʻia ke kumukūʻai o ka ʻaila māwae paipu ma hope o ka emi ʻana, ua manaʻo ʻia e holo nāwaliwali nā kumukūʻai o ka ʻaila.

Ka mānoanoa o ka pā anawaena o waho

Anawaena waho/mm	Mānoanoa pā/mm
	1	1.5	2	2.5	3	3.5	4	5	6
	ʻO ka maikaʻi kumu/(kg/m)
10	0.222	0.314	0.395
14	O.321	0.462	O.592	O.709
18			0.789	0.956
19			0.838	1.02
25			1.13	1.39	1.63
32				1.82	2.15	2.46	2.76
38					2.59	2.98	3.35
45					3.11	3.58	4.04	4.93
57							5.23	6.41	7.55
60							5.52	6.78	7.99

Hōʻike Huahana

Nā waiwai mīkini

Kūlana	Brand	Ka ikaika tensile(MPa)	Ka ikaika hua (MPa)	Elongation（%）	Ka mana hopena（J）	ʻO Brinell hardness (HB)	Kūlana hoʻouna
GB9948	10	330～490	≥205	≥24	/	/	Ke ahi maikaʻi
20	410～550	≥245	≥21	≥39	/	Ke ahi maikaʻi
15CrMo	440～640	≥235	≥21	≥47	≤170	ʻO ka hana maʻamau a me ka hoʻouluʻana
1Cr2Mo	≥390	≥175	≥22	≥92	≤179	ʻO ka hana maʻamau a me ka hoʻouluʻana
1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Hoʻopili

haku mea nui.

10#(st35),20#(st45),35#(st55),45#(st45),16Mn(st52), etc.

ʻO DIN2391-81 ka hoʻomanawanui ʻana o waho he 0.08-0.10, ʻo 0.10-0.15 ka hoʻomanawanui ʻana o loko, 0.10-0.15 ka mānoanoa o ka pā.

haku mele ʻana

Kūlana	Brand	ʻO ka hui kemika(%）
C	Si	Mn	P	S	Cr	Mo	Ni
GB9948	10	0.07～0.14	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.15	/	≤0.25
20	0.17～0.24	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.25	/	≤0.25
15CrMo	0.12～0.18	0.17～0.37	0.40～0.70	≤0.035	≤0.035	0.80～1.10	0.40～0.55	≤0.30
1Cr2Mo	≤0.15	0.50～1.00	0.30～0.60	≤0.035	≤0.030	2.15～2.85	0.45～0.65	/
1Cr5Mo	≤0.15	≤0.50	≤0.60	≤0.035	≤0.030	4.00～6.00	0.45~0.60	≤0.60	kila