SA387 GR.21 CL1 Ipa ha irin awo

ASTM A387 Gr 21 CL 1 jẹ chromium molybdenum alloy irin awo ti a pinnu ni akọkọ fun igbomikana welded ati awọn ohun elo titẹ ti a ṣe apẹrẹ ti iṣẹ iwọn otutu ti o ga. Awọn akoonu Cr 3.00 % ati akoonu Mo 1.00 %. Ipele kọọkan ayafi ite 21L, Ite 22L, Ite 91 ati ite 911 wa ni awọn ipele meji ti awọn ipele agbara fifẹ.ASTM A387 GRADE 5 Kilasi 1 - Alloy steelASTM A387 GRADE 5 Kilasi 1 A didara ASTM A387 GRADE 5 Kilasi 1 tabi chrome molyb awo irin alloy ti a pinnu ni pataki fun lilo ninu awọn ohun elo titẹ erogba, irin ni awọn iwọn otutu ti o ga. Molybdenum ti a ṣafikun yoo fun ohun elo naa ni agbara fifẹ iwọn otutu ti o ga julọ ati pe chromium pese imudara ipata resistance.ASTM A387 Ite 11 Kilasi 1 awọn awo irin fun titẹ Somalia 11Class 1 jẹ iru ohun elo Cr-Mo-alloy steel plates ti a lo lati ṣe aṣọ awọn ohun elo titẹ iwọn otutu giga.A387 ni awọn ipele mẹwa tabi awọn ipele. Wọn ti wa ni ite 2 , ite 12 , ite 11 , ite 22 , ite 22L , ite 21 , ite 21L , ite 5 , ite 9 , ite 91 .

SA387 Gr.21L CL.1 Kẹmika Tiwqn
Ipele	Ohun ti o pọju (%)
	C	Si	Mn	P	S	Kr	Mo
SA387 Gr.21L Cl.1	0.12	0.50	0.25-0.66	0.035	0.035	2.63-3.37	0.85-1.15

Ipele	SA387 Gr.21L CL.1 Mechanical Ohun ini
	Sisanra	So eso	Fifẹ	Ilọsiwaju
SA387 Gr.21L Cl.1	mm	Min Mpa	Mpa	Min %
	t≦50	205	415-585	18
	50	-	-	-

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]