Steel a wɔabobɔw a ɛyɛ nwini .

Nea ɛyɛ dade a wɔabobɔw a ɛyɛ nwini .

Cold rolled steel yɛ hot rolled steel a wɔayɛ no foforo de ayɛ adwuma de ama ne dimensional ne mfiri su atu mpɔn. bere a awɔw no rolling process, cooled hot rolled steel no fa rollers foforo a ɛtoatoa so wɔ room temperature{1}} mu esiane sɛ ade no nyɛ hyew bio na ɛyɛ malleable nti, a significant dodow a ɛkɔ soro no ho hia sɛ ɛyɛ hyew a wɔde mia no ma ɛyɛ den sɛ wɔde bɛmia no ayɛ nea wɔpɛ sen biara{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2{{2} process no sen nea wɔde yɛ adwuma no sen biara a ɛyɛ den sen biara a wɔde yɛ adwuma no, bere a wɔde di dwuma wɔ ɔkwan a ɛyɛ hyew so no, bere a wɔde di dwuma no. Tolerances ne surface su pa.

Mfaso a ɛwɔ dade a wɔabobɔw a ɛyɛ nwini so .

Nea ɛkorɔn a ɛtra hɔ kyɛ .
Cold rolled steel sheets no bɛyɛ nea ɛtra hɔ kyɛ esiane sɛnea adwuma mu hardening. te nti saa adeyɛ yi fa dade ahoɔden a ɛkɔ soro wɔ mfiridwuma mu nhyɛso ase{1}}metal no yɛ den esiane nhyehyɛe mu nsakrae nti bere a dade ahwehwɛ dislocate, flatten, slip against each other, and tighten during of cold rolling.} Durable than its hot-rolled counterpart. Esiane eyi nti, enhia sɛ wɔyɛ ɔhyew ho ɔhyew a wɔde hyɛ mu bio. no nti ɛno nti na nnwuma pii pɛ dade a wɔde awɔw ayɛ.

Nsusuwii a ɛyɛ den .
Awɔw a wɔabobɔw a ɛyɛ nwini no gu ahorow, nanso mpɛn pii no ɛyɛ mmerɛw kɛse sen nkratafa a wɔde hot-rolled sheets. dade afiri yɛ coils a ɛyɛ nwini wɔ 0.060" mu – 0.105" thickness range. one to work hardening, one cold-rolled coils with coils their coils their coils their coils their coils their coils their coils their coils their comprosing their coils irst the coils their coils their irful irful irst Durable. Enti, a cold-rolled steel sheet da ahoɔden a ɛne 50% thicker hot-rolled one.cold-rolled metal products ba wɔ mfaso ma dade nnwuma a ɛhwehwɛ ahoɔden encapsulated wɔ nketewa dimensions, te sɛ dade furniture, dan atifi, kar afã horow, ofie appliances, etc. wɔ top of the top of the wo so, wo to wo to wo to.

Nneɛma a ɛyɛ mmerɛw .
Sɛ krataa bi a wɔabobɔw no dwo a, ɛnya a ɛyɛ den wie esiane dadeɛ ahwehwɛ a wɔayɛ no foforɔ a wɔayɛ no foforɔ a ɛyɛ abɔdeɛ mu deɛ ɛnam abɔdeɛ mu a ɛyɛ nsuo a ɛyɛ den so na ɛyɛ dadeɛ a ɛyɛ mmerɛw. a, dadeɛ oxides ne nea ɛnyɛ dadeɛ a ɛka ho no nya pressed kɔ dadeɛ no ani wɔ berɛ a ɛrehuruhuruw a ɛyɛ hyeɛ{{3}'' yɛ asɛm soronko bi. sɛ rollers compress na flatten metal billets mpo kɔ akyiri, wɔn metal grains get elongated at a microscopic level. Saa adeyɛ yi nya texture a etwa to dadeɛ coils, smoothing na tightly packing wɔn dadeɛ crystals{{8} it reduces most surface imperfecters, giving the steel a polished polished of polished of projections{

Nneɛma a ɛyɛ pɛpɛɛpɛ a ɛkɔ soro .
Bere a dade dodow no trɛw wɔ ɔhyew a ɛkɔ soro mu no, ɛtew san kɔ sɛnea ɛte daa no mu wɔ onwini mu. ɛma coils a ɛyɛ hyew no anoano no kyinkyim kakra bere a dade no dwo a ɛnyɛ pɛ.bere a dade antrɛw wɔ dan mu hyew mu no, coils a ebetumi ayɛ nea ɛyɛ nwini wɔ awɔw akyi no ho no ma ɛyɛ yiye} a ɛma ɛyɛ kɛse} a ɛma ɛyɛ kɛse} a ɛma ɛyɛ kɛse{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{4{

Ɛnyɛ den sɛ wode bedi dwuma .
Sɛnea dade a wɔde ayɛ nwini no te no ma adetɔfo nya nnɔnhwerew du du pii ne dɔla mpempem pii wɔ dade a wɔde yɛ nneɛma ho. dade no ba dedaw na ɛhyerɛn, na nnwuma betumi akora ɔhyew a wɔde yɛ adwuma ne nea wɔde yɛ polish so{2}}Bio nso, wubetumi akora dade adwumayɛ so efisɛ awɔw a wɔde ayɛ afiri a wɔde twitwiw nneɛma no wɔ nneɛma a ɛyɛ tẽẽ ne dade a wɔde yɛ hyew a ɛte saa no ho mfonini Enti, ɛho ka sua.

Deɛ ɛdi kan 12 Twa toɔ 1/2

Dɛn nti na ɛsɛ sɛ wɔpaw yɛn .

Nneɛma a ɛyɛ papa .

Wonim Promisteel sɛ ɛde dadeɛ nneɛma a ɛyɛ papa a ɛyɛ den na wotumi de ho to so. su no yɛ awerɛhyem sɛ ɛnam sɔhwɛ a emu yɛ den ne nneɛma pa a wɔhwɛ so.

Kuw a wɔwɔ osuahu .

Promisteel wɔ adwumayɛfo kuw a wɔn ho akokwaw a wɔwɔ nimdeɛ a ɛkyɛn so wɔ nnwuma no gua so nsɛm ne adetɔfo ahiade ho.

Adetɔfo som adwuma .

Promisteel ahyɛ bɔ sɛ wɔbɛma adetɔfoɔ a wɔyɛ soronko wɔ atɔfoɔ ho. wobɛtumi ahwɛ kwan sɛ wɔbɛsom ntɛm na wɔayɛ no yie afiri wɔn animdefoɔ kuo no hɔ.

bo a wɔde si akan .

Promisteel de bo a ɛyɛ den ma wɔ wɔn dade nneɛma ho a ɛmma ɛnyɛ nea ɛyɛ papa. Eyi ma wɔyɛ ɔkwan a ne bo yɛ den ma adetɔfo.

Nnipa a wɔyɛ adwuma yiye .

Hwɛ sɛ ɔsomfoɔ no wɔ nimdeɛ ne nimdeɛ a ɛhia a wode bedi w’ahiadeɛ pɔtee ho dwuma.

Nsonsonoe titiriw a ɛda dade a wɔabobɔw a ɛyɛ hyew ne dade a wɔabobɔw a ɛyɛ nwini ntam .

Nneɛma a ɛwɔ soro no su .
Hot rolled steel taa yɛ rough edges ne surfaces a ɛhia decarburization anaa ayaresa foforɔ de siesie no ma wɔde di dwuma wɔ akyiri yi production operations. Nea ɛne no bɔ abira no, cold rolled steel mpɛn pii no wɔ hyerɛn na ɛyɛ mmerɛw a ɛma kwan ma wɔde di dwuma sɛnea-yɛ wɔ production operations{2}}

Nneɛma a ɛyɛ den .
Dadeɛ a wɔabobɔw a ɛyɛ nwini no ma dadeɛ a ɛwɔ ahoɔden ne den paa sene dadeɛ a ɛnam ɔhyew a ɛkɔ so no so no.

Nhyɛso a ɛwɔ mu .
Nneɛma a ɛyɛ den ne den a ɛnam dadeɛ a wɔabobɔw a ɛyɛ nwini no so ba no de nhyɛsoɔ kɛseɛ a ɛwɔ mu. yi ba saa nhyɛsoɔ yi ho ahotɔ ansa na wɔatumi ayɛ adeɛ no ho adwuma; Sɛ ɛnte saa a, ɔfã anaa ade a etwa to no betumi anya warping.

Cold Rolled Steel Grades & Properties .

Nneɛma a wɔde yɛ nhyehyɛe .	C	Mn .	P	S	AL .	SI .	cu .	Ni .	CR .	MO .	V	CB .	Ti .	N
30,33,36,40	0.25	0.9	0.035	0.04			0.2	0.2	0.15	0.06	0.008	0.008	0.025
36T2,45-80	0.25	1.35	0.035	0.04			0.2	0.2	0.15	0.06	0.008	0.008	0.025
45T2	.02- 0.08	.30- 1.0	.03- .07	0.025	.02- .08	0.6	0.2	0.2	0.15	0.06	0.008	0.008	0.025	.01- .03

HSLA abasobɔde ahorow .	C	Mn .	P	S	AL .	SI .	cu .	Ni .	CR .	MO .	V	CB .	Ti .	N
45C1	0.22	1.35	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
45C2	0.15	1.35	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
50C1	0.23	1.35	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
50C2 & 55C2	0.15	1.35	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
55C1	0.25	1.35	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
60C1 & 65C1	0.26	1.5	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
60C2 & 65C2	0.15	1.5	0.04	0.04			0.2	0.2	0.15	0.06	0.005	0.005	0.005
70C1	0.26	1.65	0.04	0.04			0.2	0.2	0.15	0.16	0.005	0.005	0.005
70C2	0.15	1.65	0.04	0.04			0.2	0.2	0.15	0.16	0.005	0.005	0.005

abasobɔde a wɔtaa de di dwuma .	C	Mn .	P	S	AL .	SI .	cu .	Ni .	CR .	MO .	V	CB .	Ti .	N
CSA .	0.1	0.6	0.03	0.035			0.2	0.2	0.15	0.06	0.008	0.008	0.025
CSB .	0.02-.15	0.6	0.03	0.035			0.2	0.2	0.15	0.06	0.008	0.008	0.025
CSC .	0.08	0.6	0.1	0.035			0.2	0.2	0.15	0.06	0.008	0.008	0.025
Bh .	0.012	1.5	0.12	0.03			0.2	0.2	0.15	0.06	0.008	0.008	0.025
FSA .	0.1	0.5	0.02	0.035			0.2	0.2	0.15	0.06	0.008	0.008	0.025
FSB .	0.02-.15	0.5	0.02	0.03			0.2	0.2	0.15	0.06	0.008	0.008	0.025
DDS .	0.06	0.5	0.02	0.025	.01		0.2	0.2	0.15	0.06	0.008	0.008	0.025
Edds .	0.02	0.4	0.02	0.02	.01*		0.2	0.2	0.15	0.06	0.1	0.1	0.15

Nneɛma a wɔde yɛ dade a wɔabobɔw a ɛyɛ nwini .

Kar Ho Nneɛma a Wɔyɛ .
Wɔde dade a wɔabobɔw a ɛyɛ nwini di dwuma kɛse wɔ kar adwumayɛ mu de yɛ nipadua no mu nnua, chassis afã horow, ne structure parts. n’ahoɔden a ɛkorɔn, nea ɛyɛ fɛ yiye, ne nea ɛwɔ soro a ɛkorɔn no ma ɛyɛ nea eye ma kar afã horow a emu yɛ hare nanso ɛyɛ den.

Adansi ne Nneɛma a Wɔde Yɛ Adwuma .
Cold rolled steel ahoɔden, tẽẽ, ne dimensional accuracy ma ɛyɛ nea eye ma adansi adwuma, a aguadi ne atrae adan, abɔnten so, ne nneɛma a wɔde yɛ adwuma. nso yɛ nea wɔtaa de di dwuma ma ɔdan atifi, siding, framing, ne structure supports.

Nneɛma a wɔde yɛ adwuma ne ofie nneɛma .
Wɔpɛ dade a wɔabobɔw a ɛyɛ nwini ma mfiri te sɛ frigye, nkuku a wɔhoro nneɛma, mfiri a wɔde horo nneɛma, ne fononoo. wɔde di dwuma wɔ nnua a wɔde yɛ nneɛma, nkuku, ne nneɛma ahorow a ɛwɔ mu no yɛ mu esiane sɛnea ɛko tia nsɛe, ahoɔden, ne afɛfɛde a ɛyɛ fɛ.

Nneɛma a wɔde siesie fie ne shelving .

Wɔde dade a wɔabobɔw a ɛyɛ nwini di dwuma wɔ nneɛma a wɔde siesie fie ne nneɛma a wɔde gu nneɛma so. ne tumi a ɛyɛ adwuma wɔ mmeae ahorow no ma kwan ma wɔyɛ nhyehyɛe a ɛyɛ fɛ na ɛyɛ adwuma. dade a wɔabobɔw a ɛyɛ nwini a wonim no sɛ ɛyɛ den, ɛyɛ den, na ɛyɛ nnɛyi afɛfɛde.

Mfiridwuma mu nneɛma ne mfiri .

Wohu dade a wɔabobɔw a ɛyɛ nwini wɔ mfiridwuma mu nneɛma ne mfiri mu, a mfiri a wɔde yɛ nneɛma, nneɛma a wɔde siesie nneɛma, ne nneɛma a wɔde di dwuma ho nhyehyɛe. n’ahoɔden a ɛkorɔn, ne kɛseyɛ, ne sɛnea ɛyɛ mmerɛw sɛ wɔbɛyɛ no ma ɛfata ma saa nneɛma a ɛyɛ den yi.

Nneɛma a wɔde kyekyere nneɛma ne nneɛma a wɔde gu mu .

Wɔde dade a wɔabobɔw a ɛyɛ nwini di dwuma wɔ nneɛma a wɔde kyekyere nneɛma, sanku, nkankyee, ne nsukorade. ne tumi a ɛde gyina nkɛntɛnso ano na ɛbɔ ho ban no ho no ma ɛyɛ nea wotumi de ho to so a wɔpaw ma nneɛma ahorow a wɔde kyekyere nneɛma.

Ahoɔden Dwumadibea .

Wɔde dade a wɔabobɔw a ɛyɛ nwini di dwuma wɔ ahoɔden adwumayɛ mu de yɛ abantenten a wɔde anyinam ahoɔden fa mu, nsu afiri, ne mframa a wɔde yɛ adwuma no mu nneɛma. n’ahoɔden, ductility, ne corrosion resistance ho hia kɛse ma nneɛma a atwa yɛn ho ahyia tebea horow a emu yɛ den a egyina hɔ.

Nneɛma ahorow a ɛyɛ nwini a wɔabobɔw .

Dade a ɛyɛ adwuma wɔ aguadi mu .
Eyi ne dade a ɛyɛ nwini a wɔtaa de di dwuma na ɛwɔ soro a ɛyɛ mmerɛw.

Dadeɛ a ɛyɛ papa a wɔde yɛ mfonini .
Saa dadeɛ yi wɔ ductility a ɛkorɔn na ɛfata ma deep drawing processes.

Deep drawing quality steel .
Saa dadeɛ yi wɔ ductility a ɛkorɔn mpo na ɛfata ma mfoniniyɛ nhyehyɛeɛ a emu dɔ mpo.

Extra deep drawing quality dade .
Eyi ne dade a ɛyɛ nwini a ɛyɛ papa sen biara na ɛfata ma mfonini ahorow a emu dɔ a ɛyɛ den sen biara.

dade a wɔde yɛ dan .

Wɔde saa dade a ɛyɛ nwini yi di dwuma wɔ adansi adwuma mu ma nnua, adum, ne nneɛma afoforo a wɔde yɛ dan no.

dade a ahoɔden wom a ɛwɔ ahoɔden kɛse .

Saa dadeɛ yi na wɔde di dwuma wɔ dwumadie mu wɔ baabi a ahoɔden ne mu duru ho hia, te sɛ kar ne ahunmu nnwuma.

Dade a ɛwɔ afã abien .

Saa dadeɛ yi wɔ microstructure soronko a ɛma ahoɔden a ɛkorɔn ne formability pa nyinaa, ɛma ɛfata sɛ wɔde stamp ne forming processes.

Bake a ɛyɛ den a ɛyɛ den .

Saa dadeɛ yi wɔ tumi a ɛma n’ahoɔden kɔ soro wɔ bere a wɔreyɛ no, na ɛma ɛfata ma kar nipadua panels.

Sɛnea wobɛpaw dade a wɔabobɔw a ɛyɛ nwini .

Kyerɛ ahoɔden a wɔhwehwɛ:Wɔde dade a wɔabobɔw a ɛyɛ nwini di dwuma kɛse ma n’ahoɔden a ɛkorɔn ne nea ɛtra hɔ kyɛ. Hwɛ adwuma no ho nsɛm na kyerɛ ahoɔden a wɔhwehwɛ ma application no.

Susuw dade no grade ho hwɛ:Dadeɛ a ɛyɛ nwini a wɔabobɔw no mu ahodoɔ no wɔ agyapadeɛ ahodoɔ ne dwumadie. ne dadeɛ a wɔde ma no nsusu ho na woahunua abasobɔdeɛ a ɛfata ma wo dwumadie.

Hwɛ sɛnea nneɛma a ɛwɔ soro no awie no:Cold rolled steel taa yɛ mmerɛw wɔ soro sen dade a wɔabobɔw a ɛyɛ hyew, na ɛma ɛyɛ fɛ kɛse ma nneɛma bi a wɔde di dwuma. susuw nea wopɛ sɛ wowie no ho ma wo dwumadi.

Hwɛ sɛnea ne kɛse te:Cold rolled steel betumi ayɛ wɔ thickness ahorow mu. kyerɛ thickness a wɔhwehwɛ ma wo application no na paw dade supplier a ebetumi ama thickness a ɛfata.

Susuw ɛka a wɔbɔ no ho hwɛ:Cold rolled steel no bo yɛ den sen dadeɛ a ɛyɛ hyew a wɔabobɔw. kyerɛ sikasɛm nhyehyɛe a wode bɛyɛ wo adwuma no na woapaw dade a wɔde ma a ebetumi ama dade a ɛyɛ nwini a wɔabobɔw a ɛho hia wɔ bo a ɛfata.

Sɛnea wobɛhwɛ dade a wɔabobɔw a ɛyɛ nwini so .

Rust a wosiw ano .

Fa akwan a wɔfa so siw ano bere a wo dwumadi no yɛ foforo na ama woakwati sɛ wobeyi afi hɔ bere tenten wɔ ɛno akyi. rusting cold rolled steel yɛ asɛm kɛse; Momma yɛnhwɛ akwan bi a wobɛfa so asiw nsɛe a ɛyɛ dade no ani.

Ma no nkɔ so nwo .

The most straightforward technique to prevent rust is to keep the steel clean and limit its contact with water. If you have a project, you'll maintain it indoors, ensuring the environment isn't too humid. Use a dehumidifier to store the steel in a moist environment, such as an unfinished basement.You can't avoid exposure to rain and snow if you have a fence, tank, or other projects that must sit outside, but you can maintain it as clean Sɛnea ɛbɛyɛ yiye no. hohoro nneɛma a asɛe, atɛkyɛ, anaa efĩ biara daa.

Ma nsensanee nkɔ so wɔ bay .

Steel scratches and pockmarks expose more of the surface to water and moisture. Saa exposure yi ma dade no kɔ so kura nsu mu bere tenten, ɛma ɛyɛ mmerɛw sɛ rusting. sɛ ɛbɛyɛ yiye, ma nnwinnade a ɛyɛ nnam ne mfiri a emu yɛ duru fi wo steel adwuma a wɔawie no ho adwuma.akwantu-rolled steel for a project for a cold to a push to an{4{4{4 Wɔabɔ no asen dade a ɛyɛ hyew.

Fa biribi a ɛbɔ ho ban a wɔde kata so di dwuma .

Metal tile for roof in metallic forming machine production line in factory. Cold rolled steel coils wɔ adwumayɛbea hɔ Wɔkamfo kyerɛ sɛ fa ade a wɔde siw rust ano a wɔtɔn no di dwuma na ama wo dade no ayɛ nea ɛyɛ den sɛ ɛbɛbɔ wo ho ban. saa nneɛma yi ba wɔ akwan horow so, a wipes ne aerosol sprays{ 3} a wɔde di dwuma wɔ rust so no yɛ ideal te sɛ ideal{ yɛ ɔkwan a wobetumi afa so. Saa organic coatings yi ba wɔ vinyl, urethane, epoxy, nylon, ne acrylic ahorow mu na ɛyɛ adwuma denam ahobammɔ a wɔde twa dade no ho hyia na ama nsu no akɔ soro.

Yɛn ho asɛm .

Wɔde sii hɔ wɔ afe 2015 mu na ɛwɔ Tianjin China, Promisteel, Tianhe Kuw no fã bi, yɛ amanaman ntam dade aguadi adwumakuw a ɛwɔ osuahu a ɛyɛ anigye wɔ nneɛma a wɔde kɔ amannɔne mu. yɛwɔ nneɛma a wɔde ma a ɛyɛ den a efi ɔman no mu dade afiri akɛse mu ne adetɔn kuw a ɛyɛ adwumaden, a ɛsom adetɔfo wɔ aman bɛboro 60 mu.
Yɛn adwumakuw no de nnwuma ahorow pii ma nnwuma ahorow a ɛka ho ne dade adan, afie mu nneɛma, barrel a wɔyɛ, po so ahyɛn a wɔyɛ, gas tank a wɔkora so, transformer a wɔyɛ, adididan mu nneɛma a wɔyɛ, ne nnuan a wɔde kyekyere nneɛma. Yɛde yɛn ho ato so sɛ yɛde nneɛma ne nnwuma a ɛyɛ papa na ɛho ka sua bɛma yɛn adetɔfo, na yɛde ɔhaw ahorow a yɛn adetɔfo hyia no ma wɔ amanaman ntam dade a wɔde ma{3}}}}}}}}}}}}}}}}fo no yɛ ɔhaw ahorow a yɛde bɛma yɛn adetɔfo no ho.

Yɛn adansedi nkrataa .

Nsɛmmisa a wobisa .

Asɛmmisa: Dɛn na ɛba bere a dade ayɛ nwini no?

A: Wɔ awɔw a ɛrehuruhuruw mu no, sɛ wɔde dade no hyɛ mfiridwuma mu nhyɛso ase a, ɛde nsakrae a ɛtra hɔ daa ba dade no ahwehwɛ nhyehyɛe mu. Eyi ma n’ahoɔden kɔ soro na ɛtaa ma corrosion resistance no tu mpɔn.

Asɛmmisa: So dade a wɔabobɔw a ɛyɛ nwini no yɛ bendable?

A: Ɛyɛ papa wɔ mfiri dwumadie mu sɛdeɛ ɛtumi gyina denting. ano yie bio no, ɛsan nso wɔ formability a ɛkorɔn a ɛma ɛyɛ papa mpo sɛ ɛhia sɛ wobɔ dadeɛ krataa no kɔ baabi pɔtee bi te sɛ bracket, u-channel, anaa z-channel.

Q: So Cold Rolled Steel yɛ adwuma denneennen?

A: Cold rolled steel wɔ ahoɔden a ɛkɔ soro tensile ahoɔden ne aba a ɛkɔ soro, ma no kwan ma ɛfa adwennwene ne wear pii a enni warping. ɛyɛ adwuma a ɛyɛ den wɔ rolling nhyehyɛe no mu na ɛyɛ mmerɛw sɛ wɔde mfiri.

Asɛmmisa: So dade a ɛyɛ nwini a wɔabobɔw a ɛyɛ mmerɛw no ntumi nyɛ hwee?

A: Cold-rolled steel da corrosion resistant properties adi{1}} a ɛyɛ mmerɛw sɛ ɛbɛfa soro no yɛ nea ɛko tia nsɛe kɛse.

Asɛmmisa: Dɛn nti na dade a wɔabobɔw a ɛyɛ nwini no bo yɛ den?

A: Nanso, sɛ dade a wɔayɛ no yiye no yɛ krado wie a, dade a wɔde ayɛ nwini no fa anammɔn kakraa bi a ɛka ho. Owiyammo no ma dade no dwo kosi sɛ ɛbɛyɛ dan mu hyew, afei ɛtwe no fa rollers so anaasɛ ɛde fa annealing treatment. adwuma foforo yi ma ne bo yɛ den sen dade a wɔde hot-rolled dade.

Asɛmmisa: So dade a wɔabobɔw a ɛyɛ nwini no yɛ mmerɛw?

A: Cold rolled steel yɛ brittle sen hot rolled na ɛsan nso ma dadwen kɛse ba wɔ operations a wɔyɛ.

Asɛmmisa: So wubetumi weld cold rolled steel?

A: Sɛ woreyɛ nhyehyɛe wɔ welding ho a, dade a ɛyɛ hyew ne nea ɛyɛ nwini a wɔabobɔw no nyinaa bɛbɔ weld yiye – nanso ma ɛntra w’adwenem sɛ dade a wɔabobɔw a ɛyɛ nwini no bɛfa sɛnea ɛte ne su afoforo a ɛwɔ dade a wɔabobɔw a ɛyɛ hyew no mu bere a wɔayɛ welded.

Asɛmmisa: Dɛn nti na wode dade a wɔabobɔw a ɛyɛ nwini di dwuma?

A: Wɔ honam fam su ho no, awɔw a wɔabobɔw no taa yɛ den na ɛyɛ den sen standard hot rolled dade. bere a wɔayɛ dade no wɔ ɔhyew a ɛba fam no mu no, dade no den, nea ɛko tia nhyɛso a ɛpaapae, ne nea ɛko tia deformation nyinaa kɔ soro esiane adwuma mu den.

Asɛmmisa: So dade a wɔabobɔw a ɛyɛ nwini no mu yɛ den sen dade a wɔde di dwuma daa?

A: Ahoɔden kɛse:Cold rolled steel betumi ada ahoɔden adi akodu 20% kɛse asen dade a wɔabobɔw a ɛyɛ hyew, a ɛma ɛfata kɛse sɛ wɔde di dwuma wɔ adwennwen kɛse mu. asase ani a eye kyɛn so: afã horow ne nneɛma a wɔde dade a wɔabobɔw a ɛyɛ nwini ayɛ no mpɛn pii no wɔ asase ani a ɛyɛ mmerɛw na ɛhyerɛn a ɛnyɛ rust ne scale.

Asɛmmisa: Ɔkwan bɛn so na wobɛma dade a wɔabobɔw a ɛyɛ nwini no ayɛ mmerɛw?

A: Annealing hwehwɛ sɛ wɔde dade yɛ hyew kodu ɔhyew pɔtee bi so na afei wɔma ɛyɛ nwini wɔ ɔkwan a ɛyɛ brɛoo na wɔahyɛ so. annealing so no, wɔtaa de di dwuma: ɛma dade bi yɛ mmerɛw ma adwumayɛ a ɛyɛ nwini. ma mfiridwuma tu mpɔn.

Asɛmmisa: So Cold Rolling bo yɛ den?

A: Boɔ:Esiane ne mfaso a ɛwɔ dade a wɔabobɔw a ɛyɛ hyew so nti, dade a wɔabobɔw a ɛyɛ nwini no bo yɛ den. nso, esiane sɛ dade a wɔabobɔw a ɛyɛ nwini no yɛ den sɛ wɔbɛdannan mu nti, egye bere pii na ebetumi agye sika pii na wɔde afa akwan a ɛte saa ara so.

Asɛmmisa: So wobetumi ayɛ dade a wɔde awɔw ayɛ no galvanized?

A: Cold-rolling ne galvanization nyɛ nea ɛne ne ho di nsɛ, na nokwarem no, wobetumi de dade a wɔde awɔw ayɛ no ayɛ galvanized. ɛno ne sɛ cold-rolling yɛ ɔkwan a wɔfa so yɛ dade, bere a HDG yɛ ɔkwan a wɔfa so sa no de bɔ ho ban fi corrosion.

Asɛmmisa: So wubetumi ayɛ den 1018 Cold Rolled Steel?

A: 1018 vs. 4140 dadeɛ:Dade akɛse abien a wɔpaw no mu biara .

Ebia nsonsonoe kɛse a ɛda IT ne 4140 ntam ne sɛnea ɛyɛ den no—baabi a wobetumi de ɔhyew ayɛ nea etwa to no ma ayɛ 58 hrc anaasɛ nea ɛkorɔn no, 1018 yɛ asɛm a ɛyɛ den —A.K.A. carburizing —adeyɛ a ɛma mframa a ɛyɛ den a ɛwɔ mframa a ɛyɛ den a ɛwɔ akyi ne akyi a ɛyɛ mmerɛw{7}}.

Asɛmmisa: So dade a wɔde ayɛ nwini no bo yɛ mmerɛw sen dade a ɛnyɛ den?

A: Ɛyɛ boɔ sene cold rolled steel. stainless steel no yɛ nwini wɔ dan mu hyeɛ so na ɛnyɛ hwee firi emu nhyɛsoɔ biara a ɛsɔre firi adwuma-mu a ɛyɛ den. nsusuiɛ a agye din paa a ɛyɛ stainless steel are- uc, ub, shs, RHS, PFC, flats, etc{4}}

Asɛmmisa: So ɛho hia sɛ wɔyɛ dade a wɔabobɔw a ɛyɛ nwini no ho adwuma?

A: Sɛ na cold rolled product no yɛ annealed a, ɛbɛyɛ mmerɛw sɛ wobɛyɛ adwuma sen hot rolled material. Ɛsɛ sɛ ɛyɛ ɔhyew nso a wɔayɛ no den ma ayɛ den bere a woayɛ ho adwuma akɔ nsusuwii a wopɛ. no mu sɛ ɛfa rollers mu nkyɛe a, ɛnde ɛbɛyɛ den na ayɛ den sɛ wode mfiri{2}}

Asɛmmisa: So dade a ɛyɛ nwini a wɔabobɔw no yɛ den?

A: 1018 Cold Rolled Steel wɔ smooth dark gray oiled surface a sharp defined edges. 1018 cold roll bars wɔ tensile a ɛkorɔn ne aba a ɛyɛ den sɛ wɔde toto hot rolled bars ho a, ɛsan nso yɛ carbon steel a ɛba fam a ɛwɔ case pa a ɛyɛ den. ASTM A108-07 yɛ standard specification for steel bar, ne alloy}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}@

Asɛmmisa: Dɛn ne dade a ɛyɛ nwini a wɔabobɔw a wɔtaa de di dwuma?

A: ASTM A1008 yɛ gyinapɛn ho nkyerɛkyerɛmu ma cold-rolled steel. Saa gyinapɛn yi ka ho bi ne ahoɔden a ɛyɛ mmerɛw kosi ahoɔden a ɛyɛ den. Bere a wɔreyɛ A1008 dade a wɔde ayɛ nwini no, ade no ma ɛyɛ nea ɛyɛ nokware a ɛkorɔn a wɔtaa de ngo gu mu de siw nsu a ɛbɛsɛe ne onyin ano{6}}

Asɛmmisa: Wobɛyɛ dɛn ahu nsonsonoe a ɛda dade a wɔabobɔw a ɛyɛ hyew a wɔabobɔw ne dade a wɔabobɔw a ɛyɛ nwini ntam?

A: Hot rolled steel ba a ɛyɛ scaly surface, kakra a ɛyɛ kurukuruwa anoano ne ntwea so na soro no yɛ non-oily. Cold Rolled Steel wɔ oily anaa srade awie, smooth soro, na anoano a ɛyɛ nnam yiye.

Asɛmmisa: So wubetumi abɔ dade poma a wɔabobɔw a ɛyɛ nwini?

A: Wɔtaa de akwan te sɛ press breki a wɔde di dwuma anaa adwinnade a ɛte saa ara di dwuma de kotow dade a wɔde awɔw ayɛ no ma ayɛ nsusuwii ne anim ahorow. Yiw, hwɛ kwan sɛ dade no ‘spring-back’ bɛba bere a worekotow. no, ebia ɛsɛ sɛ wokotow kɔ akyiri sen anim a wopɛ no na ama woanya nea ɛteɛ.

Asɛmmisa: Welding poma bɛn na wɔde yɛ dade a wɔabobɔw a ɛyɛ nwini?

A: 7018 arc welding abaa no yɛ hydrogen a ɛba fam. Wɔde dade a wɔabobɔw a ɛyɛ nwini, dade a carbon pii wom, ne suphur dade. wɔde ka bom denneennen ma weld dade a ɛyɛ mmerɛw. Eye ma vertical, flat, ne fillet welding.

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