SA387 GR.12 CL2 Ipa Ọkọ Irin awo

A387 ite 12 CL 1,A387 ite 12 CL 2 wa labẹ irin sipesifikesonu boṣewa ASTM A387 / A387M fun titẹ ha irin farahan, alloy irin pẹlu Chromium-Molybdenum.The dogba irin awo SA387 ite 12 CL 1 ati SA387 ite 12 CL ni o wa labẹ American irin stamdard SA 387 / SA 387. Gbogbo awọn wọnyi alloy irin farahan ti a ti pinnu nipataki fun welded boilers ati titẹ èlò & tanki.Rolling o pọju sisanra ti awọn awo ti wa ni opin nikan nipa awọn agbara ti awọn tiwqn lati pade awọn pàtó kan ẹrọ ini awọn ibeere.
Fun ohun elo titẹ irin awo SA387 ite 12 CL 1, agbara fifẹ yoo wa laarin 380 si 550, agbara ikore ti o kere julọ jẹ 230 Mpa. aaye yẹ ki o wa loke 275 Mpa. Yato si awọn eroja akọkọ marun, Cr-Mo tun wa ninu akopọ kemikali fun awọn irin alloy wọnyi.

SA387 Gr.12 CL.2 Iṣọkan Kemikali
Ipele	Ohun ti o pọju (%)
	C	Si	Mn	P	S	Kr	Mo
SA387 Gr.12 Cl.2	0.04-0.17	0.13-0.45	0.35-0.73	0.035	0.035	0.74-1.21	0.40-0.65

Ipele	SA387 Gr.12 CL.2 Mechanical Ohun ini
	Sisanra	So eso	Fifẹ	Ilọsiwaju
SA387 Gr.12 Cl.2	mm	Min Mpa	Mpa	Min %
	t≦50	275	450-585	22
	50	275	450-585	19

Awọn Ilana Itọkasi fun ASME SA387 Alloy Steel Plate

ASME

• SA20 / A20M: Awọn ibeere gbogbogbo fun awọn abọ titẹ ọkọ.
• SA370: Sipesifikesonu idanwo fun awọn ohun-ini ẹrọ ti irin
• SA435 / A435M: Fun idanwo ultrasonic tan ina taara ti awọn awopọ irin
• SA577 / A577M: Fun idanwo igun ultrasonic tan ina ti awọn awo irin
• SA578 / A578M: ​​Fun idanwo UT taara tan ina ti awọn awo irin ti yiyi ni awọn ohun elo pataki
• SA1017 / A1017M: Sipesifikesonu fun titẹ vessle farahan ti alloy, irin, chromium-molybdenum-tungsten

AWS sipesifikesonu

• A5.5 / A5.5M: Low alloy irin amọna fun shield irin aaki alurinmorin.
• A5.23 / A5.23M: Kekere alloy irin amọna fun fulxes fun submerged aaki alurinmorin.
• A5.28 / A5.28M: Fun gaasi idabobo aaki alurinmorin
• A5.29 / A5.29M: Fun flux cored arc alurinmorin.

Ooru Itoju fun SA387 Chrom Moly Alloy Irin Awo

Chrome moly alloy irin awo labẹ ASME SA387 li ao pa irin, pẹlu thermally mu boya nipa annealing, normarlizing ati tempering. Tabi ni ọran ti o gba nipasẹ olura, itutu agbaiye lati iwọn otutu austenitizing nipasẹ fifun afẹfẹ tabi pipa omi, atẹle nipasẹ iwọn otutu, awọn iwọn otutu iwọn otutu yoo jẹ bi tabili ni isalẹ:

Ipele	Iwọn otutu, °F [°C]
2, 12 ati 11	1150 [620]
22, 22L, 21, 21L ati 9	1250 [675]
5	1300 [705]