Factory Supply High Purity Alloy Phaj
| Hom | C | Si | Mn | P | S | V | Nb | Al | Ti |
| qw 345a | ≤ 0.20 | ≤ 0.55 | 1.00-1.60 Nws | ≤ 0.045 | ≤ 0.045 | 0.02-0.15 dr hab | 0.015-0.060 | 0.02-0.20 Nws | |
| q345 ib | ≤ 0.20 | ≤ 0.55 | 1.00-1.60 Nws | ≤ 0.040 | ≤ 0.040 | 0.02-0.15 dr hab | 0.015-0.060 | 0.02-0.20 Nws | |
| qw 345c | ≤ 0.20 | ≤ 0.55 | 1.00-1.60 Nws | ≤ 0.035 | ≤ 0.035 | 0.02-0.15 dr hab | 0.015-0.060 | ≥0.015 | 0.02-0.20 Nws |
| qw 345d | ≤ 0.18 | ≤ 0.55 | 1.00-1.60 Nws | ≤ 0.030 | ≤ 0.030 | 0.02-0.15 dr hab | 0.015-0.060 | ≥0.015 | 0.02-0.20 Nws |
| Hom | Mechanical zog | ||||
| 12 Mn2A | Thickness ≤ 4mm steel phaj | Thickness ＞ 4mm steel phaj | Brinell hardness HBW Tsis muaj ntau dua | ||
| Tensile zog Rm N / m ㎡ | Elongation tom qab so A11.3% Tsis tsawg dua | Tensile zog Rm N / m ㎡ | Elongation tom qab so A11.3% Tsis tsawg dua | ||
| 12 Mn2A | 390-570 : kuv | 22 | 390-570 : kuv | 23 | ---- |
| 45mn2 ua | 590-835 : kuv | 12 | 590-835 : kuv | 13 | - - |
| 20 CrA | 390-590 : kuv | 18 | 390-590 : kuv | 20 | |
| 38 CRA | 540-735 : kuv | 16 | 540-735 : kuv | 18 | ---- |
| 40 CrA | 540-735 : kuv | 14 | 540-730 : kuv | 16 | -- |
| 20CrMnSiA | 490-685 : kuv | 18 | 490-685 : kuv | 21 | -- |
| 25CrMnSiA | 570-720 : kuv | 18 | 570-720 : kuv | 20 | 229 |
| 30CrMnSiA | 540-735 : kuv | 16 | 540-735 : kuv | 19 | 229 |
| 35CrMnSiA | 590-785 : kuv | 14 | 590-785 : kuv | 16 | - |
| 18CrMn2MoBA | 440-640 : kuv | 20 | 440-640 : kuv | 22 | 217 |
| 30CrSiMoVA | qw 709023242 | - | - | - | 217 |
Raws li cov kws tshaj lij kev siv, muaj cov phaj rau roj nruas, enamel daim hlau, phom-pov thawj daim hlau, thiab lwm yam .;Raws li cov txheej txheej saum npoo, muaj galvanized nyias daim hlau, tin-plated nyias daim hlau, txhuas-plated nyias daim hlau, yas puas steel phaj, thiab lwm yam.
1.Kev faib tawm los ntawm thickness: (1) nyias phaj;(2) phaj nruab nrab;(3) phaj tuab;(4) phaj tuab ntxiv.
2.Kev faib tawm los ntawm txoj kev tsim khoom: (1) kub-kuav los tiag steel ntawv;(2) txias-kuav los tiag steel ntawv.
3.Kev faib tawm los ntawm cov yam ntxwv saum npoo: (1) galvanized ntawv (kub dip galvanized ntawv, electro galvanized ntawv);(2) tin-plated ntawv;(3) Composite steel ntawv;(4) xim coated steel ntawv.
4.Kev faib tawm los ntawm daim ntawv thov: (1) Choj steel phaj;(2) Boiler steel phaj;(3) Shipbuilding steel phaj;(4) Armor steel phaj;(5) Tsheb steel phaj;(6) vov tsev steel phaj;(7) Cov qauv hlau phaj;(8) Hluav taws xob steel phaj (silicon steel ntawv);(9) Caij nplooj ntoos hlav steel phaj;(10) Lwm yam Japanese qib ntawm cov hlau phaj rau cov qauv siv tshuab thiab tshuab.
