N-gun n rawng ai n-gun 304, 304L, 316 hte 316L lapran na shai hkat ai lam Hpa rai ta?

Hpa baw n-gang gaw stainless steel rai ta?

Stainless steel gaw n-gang amyu langai mi re. Steel ngu ai gaw 2% carbon (C) hta n-pu lawm ai n-gang hpe tsun ai, 2% jan gaw iron re. Chromium (Cr), nickel (Ni), manganese (Mn), silicon (Si), titanium (Ti), molybdenum (Mn), hte kaga alloying elements ni gaw n-gang a bungli galaw ai lam hpe grau kaja hkra galaw ya nna, n-gang hpe n-gun n-gun n-rawng ai hpe ninghkap lu ai atsam nga ai (dai gaw, n-re ai, n-re ai) hpe n-gun n rawng ai steel ngu nna ayan tsun ai.
"Steel" hte "u" ngu ai hpe teng sha hpa rai nna, shanhte hta gara atsam marai ni nga ai, shan lahkawng a lapran na matut mahkai lam gaw hpa rai ta? Anhte tsun shaga chye ai 304, 304L, 316, 316L ni gaw gara kaw na pru wa ai, shanhte a lapran hpa shai ai kun?
Steel: iron lawm ai arung arai langai mi hku nna, carbon n-gun hpe madung hku nna 2% npu, kaga lam ni. ——GB/T 13304-91 "Steel garan ginhka ai lam"
Iron: Atom nambat lawm ai metallic element 26. Iron arung arai ni hta n-gun ja ai ferromagnet, kaja ai plasticity, thermal conductivity ni nga ai.
N-gun n-gun: nbung, hka htung, hka hte kaga n-gun kya ai n-gun n-gun n-gun n-rawng ai n-gang (sh) n-gun n-rawng ai n-gang ni hpe ninghkap lu ai. Ndai lang lang lang ai n-gang n-gang ni gaw 304, 304L, 316, hte 316L rai nna, dai ni gaw austentic stainless steel 300 daram nga ai n-gang ni rai nga ai.

 

Hpa majaw stainless steel hta n bung ai steel nambat ni nga ai kun?

Stainless steel a smelting process hta, alloying elements amyu myu hpe jat bang ai majaw, n bung ai amyu myu hpe jat bang ai gaw n bung ai. Shi a arawn alai ni mung n bung ai. Dai ni hpe garan ginhka lu na matu, n bung ai n-gang nambat ni hpe janmau gup da ai. Lahta na gaw, "alloy element" ngu ai table langai mi rai nna, n bung ai n-gun n bung ai n-gang ni a n-gun n bung ai n-gang n-gang ni hpe shingdaw yu na matu sha rai nga ai:
Chemical n-gun (mass fraction, %)

 

 

 

Performance hpe hpaw shadan dan ai: 

304 stainless steel gaw grau nna lang ai n-gang rai nga ai. Masha law law lang ai n-gang langai hku nna, shi gaw n-gun n-gun kaja ai, katsi ai hpe ninghkap lu ai, n-gun n-gun n-gun n-gun yawm ai, n-gun n-gun n-gun n-gun n-gun, jak rung atsam ni; shi gaw stamping hte bending zawn re ai kaja ai bungli galaw lu ai atsam nga ai rai nna, katsi ai hpe tsi lajang ai lam n nga ai (non-gnetic, shim lum ai nbung katsi ai -196℃C ~ 800℃).

 

Applicable scope:

Nta masha ni a arung arai ni (category 1 hte 2 tableware, cabinet, nta kata na pipeline ni, hka lum jak ni, hka htung ni, hka shin shara ni);
Auto daw ni (windshield wipers, mufflers, moldings);
Tsi mawan hte seng ai arung arai ni, nta gawgap ai arung arai ni, tsi mawan ni, malu masha hpaga lam, hkai lu hkai sha ai lam, hte sanghpaw li daw ni.

 

 

Performance hpe hpaw shadan dan ai:

Npu n-gun n-gun n-gun (low{0}}carbon 304 steel langai hku nna, shi a n-gun n-gun hpe ninghkap lu ai atsam gaw 304 steel hte bung ai. Raitim, welding (sh) stress relief ngut ai hpang, hkaulan mam lamu ga jarit n-gun yawm ai hpe grai kaja ai hku ninghkap lu ai; n-gun n rawng ai sha, n-gun n-gun hpe n-gun jaw lu ai, daw jau ai lam a n-gun gaw -196℃C kaw nna 800℃C du hkra rai nga ai.

 

Applicable scope:

Hkai sun galaw ai jak ni, nhprang wan n-ga ni, wan sau hpaga lam ni hta hkai sun galaw ai jak ni hta, hkai lu hkai sha ai arung arai ni a n-gun hpe grai hkam sharang ra ai, nbung laru- hpe ninghkap lu ai arung arai ni, hte katsi na matu yak ai daw ni hpe jai lang ai.

 

 

 

Performance hpe hpaw shadan dan ai:

Molybdenum hpe jat bang ai majaw, 316 stainless steel gaw grau nna kaja ai n-gun n-gun, nbung laru hpe ninghkap lu ai, n-gun kaba ai- aten n-gun kaba ai, grai sawng ai masa hta jai lang mai ai; shi gaw grai kaja ai bungli hpe ngang kang hkra galaw ai (nre{2} ]magnetic nga ai.

 

Applicable scope:

Panglai hka, tsi mawan, dye, laika, oxalic acid, nhprang dat, hte kaga galaw shapraw ai arung arai ni hta lang ai arung arai ni; sumla hkrung, malu masha hpaga lam, panglai hkin-gau ginra na shara ni, sumri ni, CD rods, bolts, hte hkaulan mam ni hpe n-gun jaw ai.

 

 

 

 

Chemical hte matut mahkai ai lam

 

Hpan	C Max	Mn Max	P Max	C Max	Si Max	Cr	Ni	Mo	laga
304	0.08	2.0	0.045	0.03	1.0	18-20	8-12		--
304L	0.03	2.0	0.045	0.03	1.0	18-20	8-12		--
316	0.08	2.0	0.045	0.03	1.0	16-18	10-14	2-3	--
316L	0.03	2.0	0.045	0.03	1.0	16-18	10-14	2-3	--

 

316 hte 316L stainless steel ni gaw molybdenum- n-gang n-gun n rawng ai n-gang amyu ni rai nga ai. 316L stainless steel hta lawm ai molybdenum gaw 316 stainless steel hta loi mi grau tsaw ai. Dai n-gang hta molybdenum a majaw, ndai n-gang a yawng hkra galaw ai lam gaw 310 hte 304 stainless steel hta grau kaja ai. 15% hta npu hte 316 stainless steel gaw chloride attack hpe grai ninghkap lu ai, dai majaw, n-gun n rawng ai n-gang ni hta lang ai 0.03 ngu ai panglai makau grup yin hta grau law ai 0.03 lang lang mai ai, dai hpe lang mai ai application ni hta lang mai ai. welding gaw n mai byin ai hte grau htum ai corrosion hpe ninghkap ai lam ra ai shara kaw.

 

corrosion hpe ninghkap ai

316 stainless steel a corrosion hpe ninghkap lu ai atsam gaw 304 stainless steel hta grau kaja ai, pulp hte paper hpe galaw shapraw ai lam hta n-gun n rawng ai hpe ninghkap lu ai atsam kaja nga ai. Dai hta n-ga, 316 stainless steel gaw panglai hte n-gun ja ai bungli galaw ai nbung ni a majaw hka lim ai hpe mung ninghkap lu ai.

Madung hku tsun ga nga yang, 304 stainless steel hte 316 stainless steel lapran hta chemical n-gun n-gun n-gun n bung ai lam n nga ai, raitim, laksan media nkau mi hta shai hkat ai lam ni nga ai.

Shawng nnan galaw shapraw ai stainless steel gaw 304 rai nna, masa nkau mi a npu e n-gun n rawng ai hpe hkam sha chye ai. 2-3% molybdenum hpe jat bang ai gaw ndai hkam sha lam hpe shayawm ya nna, 316 shangai wa ai. Dai hta n-ga, ndai extra molybdenum gaw, n-gun ja ai organic acid nkau mi a n-gun hpe shayawm ya lu ai.

316 stainless steel gaw malu masha hte lu sha hpaga lam hta madang masat da ai arung arai ni tai wa sai. Mungkan ting hta molybdenum n law ai majaw hte 316 stainless steel hta nickel law ai majaw, 316 stainless steel gaw 304 stainless steel hta manu grau tsaw ai.

Pitting corrosion ngu ai gaw, madung hku nna, stainless steel ntsa na n-gun n rawng ai lam a majaw byin pru wa ai lam langai mi rai nga ai, dai gaw, oxygen n nga ai majaw, chromium oxide a makawp maga ai layer hpe n mai byin shangun ai.

Grau nna, valve kaji ni hta, valve plate ntsa e n-gun rawng ai lam ni grai kaji ai majaw, n-gun n rawng ai lam ni mung n law ai.

Hka media amyu myu (hka, hka, hka, hka, hka htung hka, panglai hka, etc.) hta, 304 stainless steel hte 316 stainless steel a n-gun n-gun n-gun gaw maren sha rai nga ai, n rai yang, n-gun n-gun hta chloride ions ni a n-gun grai law ai rai yang, ndai aten hta stainless steel 316 gaw grau htap htuk na re.

Law malawng hta, 304 stainless steel hte 316 stainless steel a n-gun n-gun n-gun n-gun n-gun n-gun n-gun grai n nga ai, raitim, nkau mi hta gaw,

 

Hka lum ai lam

1600℃npu hte 1700℃npu na matut manoi lang ai hta, 316 stainless steel gaw oxidation hpe n-gun jaw ai lam kaja nga ai. 800-1575 degrees lapran hta, 316 stainless steel hpe matut manoi n lang ai gaw kaja dik rai nga ai, raitim, 316 stainless steel hpe ndai nbung katsi ai shara shinggan de matut manoi lang ai shaloi, stainless steel gaw nbung n-gun kaja ai. 316L stainless steel a carbide hka lim ai hpe ninghkap lu ai atsam gaw 316 stainless steel hta grau kaja ai, lahta na nbung n-gun hpe lang mai ai.

 

Katsi ai tsi

Annealing hpe 1850-2050 degrees lapran na nbung katsi ai shara hta galaw nna, dai hpang lawan ai hku annealing hte lawan ai hku katsi ai. 316 stainless steel ni hpe katsi ai tsi lajang ai hku nna n mai ngang kang hkra galaw ai.

 

La taw ai; hpyan ai

316 stainless steel gaw welding galaw ai lam kaja nga ai. Standard welding ladat yawng hpe welding galaw na matu jai lang mai ai. Dai laika hta tsun da ai hte maren, 316Cb, 316L, shing nrai 309Cb n-gang n-gang n-gang (sh) welding n-gang ni hpe welding galaw na matu lang mai ai. Kaja dik htum ai corrosion hpe lu la na matu, 316 stainless steel a welded daw hpe weld galaw ngut ai hpang aneal galaw ra ai. 316L stainless steel hpe lang ai rai yang, post{10}}}eld annealing n ra ai.

 

hpaga hpung ni a arung arai ni

 

Hpan	UTS N mm	Sun N mm	Htawm hpang prat %	yakhkak ai lam HRB	Shadawn shadang .
					galaw ai	hkrang shala ai
304	600	210	60	80	1.4301	1.4308
304L	530	200	50	70	1.4306	1.4552
316	560	210	60	78	1.4401	1.4408
316L	530	200	50	75	1.4406	1.4581

 

Dai n-gang yawng hta na, austentic stainless steel ni gaw, n-gun n law dik ai shara nga ai. Dai majaw, jak rung atsam hte seng nna, austentic stainless steel gaw valve stem a matu kaja dik htum n re, hpa majaw nga yang, n-gun langai mi hpe lu la na matu, valve stem a diameter gaw grau law wa na re. Hkai sun galaw ai hku nna yield point hpe n mai jat ai, raitim, katsi ai hku nna jat mai ai.

 

gaya

Austentic stainless steel hpe law law lang lang ai majaw, masha ni gaw n kaja ai n-gang yawng gaw magnetic n re ai ngu ai myit masa shut ai. Austentic stainless steel a matu, madung hku nna non{1}}}magnetic ngu nna chye na la mai ai, dai gaw n-gun n rawng ai n-gang a matu teng ai. Raitim 304 hpe katsi ai hku galaw ai hku nna galaw ai gaw loi mi magnetic rai na re. Cast steel a matu, 100% austentic stainless steel rai yang, magnetic n re.

 

 

 

Austentic stainless steel a corrosion hpe ninghkap lu ai atsam gaw, magri ntsa kaw byin pru wa ai makawp maga ai chromium oxide layer kaw na pru wa ai. Dai arai hpe 450℃kaw nna 900℃du hkra katsi ai de katsi shangun yang, dai arung arai a hkrang gaw galai shai mat nna, chromium carbides ni gaw crystal jut ni hku nna byin pru wa ai. Ndai hku nna, kromium oxide a makawp maga ai layer hpe crystal a jut kaw n mai byin ai majaw, n-gun shayawm ai lam hpe shayawm ya lu ai. Ndai n-gun n-gun hpe "intergranularly corrosion" ngu shamying ma ai.

Dai majaw, 304L stainless steel hte 316L stainless steel ni hpe ndai n-gun n-gun hpe ninghkap na matu galaw shapraw ai. 304L stainless steel hte 316L stainless steel lahkawng yan hta carbon n law ai majaw carbon n law ai majaw chromium carbide n nga na re, shada da lapran na n-gun n rawng ai.

Dai hpe sadi ra ai gaw, shada da shingjawng hkat ai lam hpe grau nna hkam sha lu ai atsam gaw, n-gun n rawng ai carbon arung arai ni gaw, n-gun n rawng ai lam grau byin chye ai ngu ai lachyum n re. Ndai hkam sha lam hpe tsaw ai-chlorine grup yin ni hta mung jat wa ai.

Ndai mabyin gaw nbung katsi ai majaw re ai hpe sadi u (450℃-900℃). Ga law malawng gaw ndai nbung katsi ai lam de du lu na matu direct cause rai nga ai. Soft seat con htunghking hku butterfly valves ni a matu gaw, anhte gaw disc ntsa e n-gun n rawng ai majaw, carbon stainless hte sa na matu grai lachyum n pru ai, raitim, specification law malawng gaw 304L (sh) 316L hpe shaga na re.

 

 

Hpa majaw stainless steel gaw n-gun yawm mat ai kun? Dai majaw, n-gun n rawng ai n-gang pipe ni a ntsa e brown rust spots (points) ni pru wa ai shaloi, masha ni mau mat ma ai: shanhte myit ai gaw, "stainless steel gaw n-gun n rawng ai, n-gun n rawng ai rai yang, stainless steel n re. N-gang a hkam kaja lam hte seng nna manghkang nga ai. Kaja wa nga yang, ndai gaw stainless steel hpe n chye na ai lam hte seng nna langai sha re ai myit masa langai mi rai nga ai. Stainless steel mung masa nkau mi hta n-gun n rawng mat chye ai.

Stainless steel gaw nbung n-gun hpe ninghkap lu ai atsam nga ai—dai gaw, n-gun n rawng ai, dai hta n-ga, acid, alkalis, hte sau ni lawm ai media ni hta mung, n-gun n rawng ai hpe ninghkap lu ai atsam nga ai. Raitim, shi a anti{1}} a n-gun atsam a galu kaba ai lam hpe, shi a n-gang a chemical composition, n-gun ja ai masa, daw jau ai masa, grup yin masa ni hte galai shai kau ai. 304 steel pipe ni zawn, hka shin ai atsam hpe tsep kawp hkam sharang lu ai nbung hta, n-gun n rawng ai atsam hpe tsep kawp hkam sharang lu na matu lajang da ai, raitim, dai hpe riviera de htawt sit kau nna, hka law law lawm ai panglai hka htung hta, kade nna yang, n-gun ja wa na re; 316 steel pipe hpe kaja hkra galaw ai. Dai majaw, gara hku mi rai rai, gara makau grup yin hta mung, n-gun n rawng ai hte n-gun n rawng ai hpe ninghkap lu ai n rai.

 

Fasteners ni hpe tam ai kun?
Lawu na lawu de dip nna AYA FASTENERS a galu kaba ai Fastener catalog hpe yu u, dai hta n-ga, n-gun ja ai screw, bolt, washer, hte nuts ni lawm ai.