Hindi kinakalawang na asero 317/317L Pipe at Tubes, ASTM A312 UNS S31700/03 Tubes Supplier

Maikling Paglalarawan:

Liaocheng Sihe SS Material Co., Ltd.ay isang mahusay na tagagawa ng mga produktong nauugnay sa hindi kinakalawang na asero, at ang mga SS 317/317L na seamless na tubo ay isa sa isang uri.Ang mga ito ay kilala sa kanilang lakas at dimensional na katumpakan.Ayon sa kahilingang partikular sa kliyente sa sektor ng negosyo, ang pambansa at pandaigdigang kalikasan ng mga hilaw na materyales para sa bakal ay nag-aalok ng mga SS 317l na tubo na ito sa iba't ibang laki at kapal.

 


Detalye ng Produkto

Mga Tag ng Produkto

Ang Stainless Steel 304 Coil Tubes ay lumalaban sa chloride ion stress corrosion cracking, high purity corrosion cracking, tubig at caustic corrosion.Samakatuwid, ang ganitong uri ng haluang metal ay perpekto para sa mga bahagi ng pugon, kemikal at pagproseso ng pagkain, teknolohiyang nuklear at mga spark electrodes.Gayunpaman, mayroon itong mas mataas na lakas kaysa sa iba pang mga haluang metal sa mas mababang temperatura.Kapag nagpapasya sa pagitan ng dalawang magkaibang haluang metal, ang gastos, temperatura at lakas ay ang pinakamahalagang salik dito sa Stainless Steel 304L Coil Tubes.Kung kailangan ang isang mas mura ngunit medyo malakas na bahagi, marahil ito ang paraan upang pumunta.Kung kinakailangan ang isang kritikal na bahagi ng hangin na may mataas na temperatura, ito ay isang mas mahusay na haluang metal para sa aplikasyon.Mayroon itong chromium-nickel base at lumalaban sa kaagnasan.Ginagawa nitong perpekto sa matinding kapaligiran na may presyon at init.

Halimbawa, sila ang magiging pinaka-ductile grade ng bakal, ngunit din ang pinaka-corrosion resistant.Sa kabilang banda, ang martensitic class na ito ay karaniwang may mas mataas na lakas ngunit mas mababa ang corrosion resistance.Ang Stainless Steel 316 Coil Tubes ay may mas malaki, mas pare-parehong istraktura ng butil na nagbibigay sa kanila ng mga katangiang ito kumpara sa mas maliit na twisted structure na makikita sa martensitic steels.Ito ay isang magkakaibang grupo ng mga haluang metal na matatagpuan sa kabuuan mula sa mga kubyertos sa kusina hanggang sa mga aplikasyon sa engineering, mga aplikasyon sa biomedical at paghahanda ng pagkain.Mayroon din itong mas mahusay na paglaban sa kaagnasan at paglaban sa mataas na temperatura.

STAINLESS STEEL COIL TUBE STANDARD SPECIFICATION

Pamantayan ASTM A213 (Average Wall) at ASTM A269
Stainless Steel Coil Tubing sa Labas na Diameter 1/16" hanggang 3/4"
Hindi kinakalawang na asero Coil Tube Kapal .010″ Hanggang .083”
Mga Grade ng Stainless Steel Coil Tubes SS 201, SS 202, SS 304, SS 304L, SS 309, SS 310, SS 316, SS 316L, SS 317L, SS 321, SS 347, SS 904L
Sukat ng Rnage 5/16, 3/4, 3/8, 1-1/2, 1/8, 5/8, 1/4, 7/8, 1/2, 1, 3/16 pulgada
Katigasan Micro at Rockwell
Pagpaparaya D4/T4
Lakas Pagputok at Kunot

STAINLESS STEEL COIL TUBING EQUIVALENT GRADES

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18–09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18–10 X2CrNi18-9 / X2CrNi19-11
SS 310 1.4841 S31000 SUS 310 310S24 20Ch25N20S2 X15CrNi25-20
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 Z7CND17-11-02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17-11-02 / Z3CND18-14-03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 347 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5L Z2 NCDU 25-20 X1NiCrMoCu25-20-5

SS COIL TUBE CHEMICAL COMPOSITION

Grade C Mn Si P S Cr Mo Ni N Ti Fe
SS 304 Coil Tube min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
SS 304L Coil Tube min. 18.0 8.0
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
SS 310 Coil Tube 0.015 max 2 max 0.015 max 0.020 max 0.015 max 24.00 26.00 0.10 max 19.00 21.00 54.7 min
SS 316 Coil Tube min. 16.0 2.03.0 10.0
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0
SS 316L Coil Tube min. 16.0 2.03.0 10.0
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0
SS 317L Coil Tube 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 11.00 15.00 57.89 min
SS 321 Coil Tube 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 5(C+N) 0.70 max
SS 347 Coil Tube 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 20.00 9.0013.00
SS 904L Coil Tube min. 19.0 4.00 23.00 0.10
max. 0.20 2.00 1.00 0.045 0.035 23.0 5.00 28.00 0.25

STAINLESS STEEL COIL MECHANICAL PROPERTIES

Grade Densidad Temperatura ng pagkatunaw Lakas ng makunat Lakas ng Yield (0.2% Offset) Pagpahaba
SS 304/ 304L Coil Tubing 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
SS 310 Coil Tubing 7.9 g/cm3 1402 °C (2555 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 40%
SS 306 Coil Tubing 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
SS 316L Coil Tubing 8.0 g/cm3 1399 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
SS 321 Coil Tubing 8.0 g/cm3 1457 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
SS 347 Coil Tubing 8.0 g/cm3 1454 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
SS 904L Coil Tubing 7.95 g/cm3 1350 °C (2460 °F) Psi 71000, MPa 490 Psi 32000, MPa 220 35 %

STAINLESS STEEL SEAMLESS COILED TUBES SIZE

SIZE OD PADER AVG.HABA(PAA) +/-
.125″ OD X .035″ W 0.125 0.035 6,367
.250″ OD X .035″ W 0.250 0.035 2,665
.250″ OD X .035″ W (15 Ra Max) 0.250 0.035 2,665
.250″ OD X .049″ W 0.250 0.049 2,036
.250″ OD X .065″ W 0.250 0.065 1,668
.375″ OD X .035″ W 0.375 0.035 1,685
.375″ OD X .035″ W (15 Ra Max) 0.375 0.035 1,685
.375″ OD X .049″ W 0.375 0.049 1,225
.375″ OD X .065″ W 0.375 0.065 995
.500″ OD X .035″ W 0.500 0.035 1,232
.500″ OD X .049″ W 0.500 0.049 909
.500″ OD X .049″ W (15 Ra Max) 0.500 0.049 909
.500″ OD X .065″ W 0.500 0.065 708
.750″ OD X .049″ W 0.750 0.049 584
.750″ OD X .065″ W 0.750 0.065 450
6 MM OD X 1 MM W 6mm 1mm 2,610
8 MM OD X 1 MM W 8mm 1mm 1,863
10 MM OD X 1 MM W 10mm 1mm 1,449
12 MM OD X 1 MM W 12mm 1mm 1,188
SS 304 / 316 Series Outside Diameter (OD) Kapal ng pader
1/8” – 3/4” 0.5mm – 4mm
1/16” – 3/4”

SS 304/304L WELDED COILED TUBE SIZE CHART

OD Pader ID
1/8” .020 .085
(.1250”) .035 .055
1/4” .035 .180
(.2500”)
5/16” .035 .243
(.3125”)
3/8” .035 .305
(.3750”)
1/2” .035 .430
(.5000”) .049 .402
3/4” .049 .652
(.7500”)

316/316L STAINLESS STEEL COIL TUBES SIZE

SS 316 / 316L Seamless Coil Tube Size SS 316 / 316L Welded Coil Tube Size
OD Pader ID OD Pader ID
1/16” .010 .043 1/8” .020 .085
(.0625”) .020 .023 (.1250”) .028 .069
1/8” .035 .055 .035 .055
(.1250”) 1/4” .020 .210
1/4” .035 .180 (.2500”) .028 .194
(.2500”) .049 .152 .035 .180
.065 .120 .049 .152
3/8” .035 .305 3/8” .035 .305
(.3750”) .049 .277 (.3750”) .049 .277
.065 .245 1/2” .035 .430
1/2” .035 .430 (.5000”) .049 .402
(.5000”) .049 .402 5/8” .049 .527
.065 .370 (.6250”)
5/8” .035 .555 3/4” .035 .680
(.6250”) .049 .527 (.7500”) .049 .652
3/4” .035 .680 .065 .620
(.7500”) .049 .652 .083 .584
.065 .620
.083 .584
.109 .532

COIL TUBES NOMINAL WALL THICKNESS COMPARISON

Talaan ng paghahambing ng nominal na kapal ng pader para sa hindi kinakalawang na asero Tube (ASME B36.10 & B36.19)
DNmm Dnin φmm SCH10S SCH40S Sch40
6 1/8 10.3 1.24 1.73 1.73
8 1/4 13.7 1.65 2.24 2.24
10 3/8 17.1 1.65 2.31 2.31
15 1/2 21.3 2.11 2.77 2.77
20 3/4 26.7 2.11 2.87 2.87
25 1 33.4 2.77 3.38 3.38
32 1 1/4 42.2 2.77 3.56 3.56
40 1 1/2 48.3 2.77 3.68 3.68
50 2 60.3 2.77 3.91 3.91
65 2 1/2 76 3.05 5.16 5.16
80 3 88.9 3.05 5.49 5.49
90 3 1/2 101.6 3.05 5.74 5.74
100 4 114.3 3.05 6.02 6.02
125 5 141.3 3.4 6.55 6.55
150 6 168.3 3.4 7.11 7.11
200 8 219.1 3.76 8.18 8.18
250 10 273 4.19 9.27 9.27
300 12 323.8 4.57 9.53 10.31
350 14 355.6 4.78 11.13
400 16 406.4 4.78 12.7
450 18 457 4.78 14.27
500 20 508 5.54 15.09
550 22 559 5.54
600 24 610 6.35 17.48
650 26 660
700 28 711
750 30 762 7.92
800 32 813 17.48
850 34 864 17.48
900 36 914 19.05

SS COIL TUBE SCHEDULE CHART

Hindi kinakalawang na Steel Coil Tubing
NB SIZE SCH 5 SCH 10 SCH 40 SCH 80 SCH 160
1/8″
1/4″
3/8″
1/2″
3/4″
1″
1 1/4″
1 1/2″
2″
2 1/2″
3″
4″
5″
6″

STAINLESS STEEL COIL TUBING PRESSURE RATINGS

AVE.MGA INCH NG PADER MIN YIELD STRENGTH (PSI) MIN TENSILE STRENGTH (PSI) THEORETICAL BURST PRESSURE * (PSI) WORKING PRESSURE (PSI) 25% NG BURST THEORETICAL YIELD POINT ** (PSI) PAGBABAGO NG PRESSURE *** (PSI)
0.250 0.020 30,000 75,000 14,286 3,571 5,714 4,416
0.250 0.028 30,000 75,000 21,649 5,412 8,660 5,967
0.250 0.035 30,000 75,000 29,167 7,292 11,667 7,224
0.250 0.049 30,000 75,000 48,355 12,089 19,342 9,455
0.250 0.065 30,000 75,000 81,250 20,313 32,500 11,544
0.375 0.020 30,000 75,000 8,955 2,239 3,582 3,029
0.375 0.028 30,000 75,000 13,166 3,292 5,266 4,145
0.375 0.035 30,000 75,000 17,213 4,303 6,885 5,077
0.375 0.049 30,000 75,000 26,534 6,634 10,614 6,816
0.375 0.065 30,000 75,000 39,796 9,949 15,918 8,597
0.500 0.020 30,000 75,000 6,522 1,630 2,609 2,304
0.500 0.028 30,000 75,000 9,459 2,365 3,784 3,172
0.500 0.035 30,000 75,000 12,209 3,052 4,884 3,906
0.500 0.049 30,000 75,000 18,284 4,571 7,313 5,304
0.500 0.065 30,000 75,000 26,351 6,588 10,541 6,786
0.500 0.083 30,000 75,000 37,275 9,319 14,910 8,307
0.625 0.020 30,000 75,000 5,128 1,282 2,051 1,859
0.625 0.028 30,000 75,000 7,381 1,845 2,953 2,568
0.625 0.035 30,000 75,000 9,459 2,365 3,784 3,172
0.625 0.049 30,000 75,000 13,947 3,487 5,579 4,335
0.625 0.065 30,000 75,000 19,697 4,924 7,879 5,591
0.625 0.083 30,000 75,000 27,124 6,781 10,850 6,910
0.625 0.095 30,000 75,000 32,759 8,190 13,103 7,734
0.625 0.109 30,000 75,000 40,172 10,043 16,069 8,639
0.750 0.028 30,000 75,000 6,052 1,513 2,421 2,156
0.750 0.035 30,000 75,000 7,721 1,930 3,088 2,669
0.750 0.049 30,000 75,000 11,273 2,818 4,509 3,664
0.750 0.065 30,000 75,000 15,726 3,931 6,290 4,749
0.750 0.083 30,000 75,000 21,318 5,330 8,527 5,905
0.750 0.095 30,000 75,000 25,446 6,362 10,179 6,637
0.750 0.109 30,000 75,000 30,733 7,683 12,293 7,453
0.750 0.120 30,000 75,000 35,294 8,824 14,118 8,064
0.875 0.020 30,000 75,000 3,593 898 1,437 1,340
0.875 0.028 30,000 75,000 5,128 1,282 2,051 1,859
0.875 0.035 30,000 75,000 6,522 1,630 2,609 2,304
0.049 30,000 75,000 9,459 2,365 3,784 3,172
0.875 0.065 30,000 75,000 13,087 3,272 5,235 4,126
0.875 0.083 30,000 75,000 17,560 4,390 7,024 5,152
0.875 0.095 30,000 75,000 20,803 5,201 8,321 5,807
0.875 0.109 30,000 75,000 24,886 6,221 9,954 6,543
0.875 0.120 30,000 75,000 28,346 7,087 11,339 7,100
1.000 0.028 30,000 75,000 4,449 1,112 1,780 1,633
1.000 0.035 30,000 75,000 5,645 1,411 2,258 2,027
1.000 0.049 30,000 75,000 8,149 2,037 3,259 2,796
1.000 0.065 30,000 75,000 11,207 2,802 4,483 3,647
1.000 0.083 30,000 75,000 14,928 3,732 5,971 4,567
1.000 0.095 30,000 75,000 17,593 4,398 7,037 5,159
1.000 0.109 30,000 75,000 20,908 5,227 8,363 5,827
1.000 0.120 30,000 75,000 23,684 5,921 9,474 6,336
1.000 0.134 30,000 75,000 27,459 6,865 10,984 6,963
1.250 0.035 30,000 75,000 4,449 1,112 1,780 1,633
1.250 0.049 30,000 75,000 6,380 1,595 2,552 2,260

SS COILED TUBES TOLERANCE

OD Pagpaparaya +0.005/-0 in.
Katigasan Maximum na 80 HRB (Rockwell)
Kapal ng pader ±10%
Chemistry Min.2.5% Molibdenum

STAINLESS STEEL GRADE COIL TUBE AVAILABLE FORMS & STOCKS

  • EN X5CrNi18-10 Coil Tubing
  • AFNOR Z3CND17‐11‐02 Coil Tube
  • SS UNS S31000 Coil Tubing
  • SS UNS S20200 Coil Tube Manufacturer
  • OD 4 – 30 mm Coiled Tube
  • 1/2 pulgadang Supplier ng SS Coiled Tube
  • Supplier ng High Pressure SS Coil Tube
  • Mga Supplier ng BS 316S31 SS Coil Tubes
  • 1/2″ NB sa Thickness Schedule SS Coil Tube
  • Mga supplier ng SS Grade 309 Coil Tube
  • Tagagawa ng Mirror Polished Coil Tube
  • Mag-iskedyul ng 10 Stainless Steel Coiled Tube
  • SS 304 Tube Air To Water Coil Coil
  • 316 Welded Coil Tube Weight bawat metro
  • SS UNS S31703 Coiled Tubes Manufacturer
  • Stainless Steel 202 Coiled Tube Supplier
  • TP304L Stainless Steel Coil Tube
  • Hot Rolled Coil Tubing Coil
  • Supplier ng 304L Stainless Steel Coil Tubing
  • 304 Stainless Steel Coiled Tube Supplier
  • 317L Stainless Steel Coil Tube
  • Hindi kinakalawang na Steel Coil Tubing
  • Supplier ng Type 304 Stainless Steel Coil Tube
  • SS UNS N08904 Coil Tube
  • DIN 1.4306 Mga Coiled Tube
  • Mag-iskedyul ng 80 Stainless Steel Coiled Tube
  • Hindi kinakalawang na asero 310 Coil Tubing
  • Hindi kinakalawang na Steel Bright Annealed Coil Tube
  • 316 SS Coil Tube Manufacturer
  • 316 Hindi kinakalawang na Steel Coil Tube
  • Seamless Coil Tubes Exporter
  • UNS S32100 Coil Tubing
  • INOX 1.4550 Coil Tubing Manufacturer
  • Tagagawa ng Stainless Steel Coil Tube
  • Hindi kinakalawang na asero 316 Coil Tube
  • Supplier ng TP304L SS Coil Tubes
  • DIN 1.4307 Coil Tube Supplier
  • Supplier ng SS Coil Tubing sa India
  • UNS N08904 Coiled Tube Supplier
  • UNS S20100 Coil Tube
  • SS Metric Coil Tube
  • 1 pulgadang Coil tube Supplier
  • TP 304L SS Coil Tube
  • SUS 304 Coil Tube
  • Supplier ng SUS 321 Coiled Tubes
  • BS 3304S11 Stainless Steel Coil Tube
  • Supplier ng 3/4 inch Coil Tubes
  • Supplier ng SS 202 Coil Tubes
  • 304 Hindi kinakalawang na Steel Coil Tube
  • 304 Stainless Steel Coil Tubing Supplier
  • Maliwanag na Annealed SS Coil Tubing
  • TP316/316L Stainless Steel Coil Tube
  • SS Grade 304 Coiled Tubing
  • Supplier ng Sch 5 Stainless Steel Coil Tube
  • GOST 03Ch17N14M3 SS Coil Tube
  • GOST 08Х18Н10 Coil Tube
  • SS 304L Coil Tube exporter sa India
  • Stainless Steel Coil Exporter
  • Supplier ng SS 316 Cold Drawn Coil Tube
  • Supplier ng SS 310 Coiled Tubing
  • TP304 Stainless Steel Coil Tube
  • Supplier ng 2/4″ Stainless Steel Coil Tube
  • 304 1/2 pulgada Hindi kinakalawang na asero Coil tube
  • UNS S30400 Coil Tube
  • TP304 Stainless Steel Coil Tube
  • UNS S34700 Coil Tube
  • 904L Stainless Steel Coil Tube
  • WERKSTOFF NR.1.4438 Mga Coil Tube
  • EN X2CrNiMo17-12-2 Coil Tube
  • UNS S30403 Coil Tubing Supplier
  • S309 Stainless Steel Coil Tube
  • BS 310S24 Tube Coil
  • SS 201 Coil Tubes Manufacturer sa India
  • EN X15CrNi25-20 Coil Tubing
  • Mag-iskedyul ng 40 SS Coil Tube Supplier
  • SUS 310 SS Coil Tube
  • Walang Seamless Stainless Steel Coil Tube
  • DIN 1.4539 Seamless Coil Tube
  • Mag-coil ng mga Tubong Hindi kinakalawang na Asero
  • Mataas na Kalidad ng SS Coil Round Tube
  • Supplier ng SS 202 Coil Tubes
  • OD 42 – 50 mm SS Coil Tubes Supplier
  • AFNOR Z2 NCDU 25-20 Coil Tubes
  • JIS STS 317J5L Coil Tube
  • 904L Stainless Steel Coil Tube
  • WERKSTOFF NR.1.4301 Coil Tube
  • EN X1NiCrMoCu25-20-5 Supplier ng Coil Tube
  • SS Coil Tubes Seksyon
  • 316L Stainless Steel Coil Tube
  • UNS N08904 Coil Tubing Supplier
  • 304 SS Coil Tubes Manufacturer
  • GOST 20Ch25N20S2 Coil Tube
  • Hindi kinakalawang na Asero 201 Coil Tube
  • Austenitic Stainless Steel Coil Tubing
  • Welded 304L Coil Tube
  • 316 Seamless SS Coil Tubes Supplier
  • High Quality Stainless Steel Coil Tube
  • Mga Stockist ng SS Coil Tubing sa India
  • Supplier ng BS 304S31 Coil Tubing
  • Hindi kinakalawang na asero 316L Coil Tube
  • 316 Hindi kinakalawang na Steel Coil Tube
  • Mag-iskedyul ng 80 Stainless Steel Coil Tube
  • SS 904L Coil Tube Exporter
  • Supplier ng SS Coil Tubing
  • EN X2CrNi18-9 Coil Tubes Supplier
  • WNR.1.4541 Welded Coil Tube
  • 316 Hindi kinakalawang na Steel Coil Tubing
  • Tagagawa ng Stainless Steel Coil Tube
  • 316L Stainless Steel Coil Tube
  • EN X2CrNiMo18-14-3 Coil Tube
  • Mag-iskedyul ng 80 SS Coil Tubing Supplier
  • Supplier ng SUS 316L Coil Tube
  • DIN.1.4404 Tagagawa ng Coil Tubing
  • OD 80 mm Type 317L SS Coil Tube

PINAKABAGONG PRESYO NG STAINLESS STEEL COIL TUBES

Maaari kaming mag-alok ng Stainless Steel Coil Tube sa napakakumpitensyang presyo.Maaari kang mag-email sa amin sajackson@shstainless.compara makuha ang pinakabagong listahan ng presyo ng SS Coiled Tubing.Tinitiyak namin ang pinakamahusay na mga presyo para sa lahat ng uri ng Tube.

SS COIL TUBES APPLICATIONS & INDUSTRIES

  • Nuclear Power
  • LNG
  • Desalination
  • Mga bahagi ng sasakyan
  • Condenser ng power plant
  • Industriya ng elektronikong instrumento
  • Pagmimina at Mineral
  • Paggawa ng barko
  • Konstruksyon
  • Pharmaceuticals
  • Mga halaman sa paggamot ng tubig
  • Pagproseso ng langis at gas
  • Pagproseso ng pagkain
  • Mga operasyon sa tela
  • Mga serbeserya
  • Mga pataba at pestisidyo
  • Mga aplikasyon ng kemikal

  • Nakaraan:
  • Susunod:

  • Isulat ang iyong mensahe dito at ipadala ito sa amin