JIS G3445 STKM11A STKM12B STKM13B Seamless Steel tube
Features
Gradus materialis:
STKM 11A 12A 12B 12C 13A 13B 13C 14A 14B 14C 15A 15C etc.
Superficiem treatment:
1.Bared
2.Black pingitur (varnish coating)
3.Galvanized
4.Oiled
5. Secundum clientes.
JIS G3445 Praecisio fistulae chalybeae maxime adhibentur in partibus machinis automobile et praecisione carros et cylindrici.pressionis utendi, ac etiam ad transportandum vaporem, aquam, fistulam gasi lineas.
Chemical compositione
Gradus | Designatio | Unitas (%) | ||||||
C | Si | Mn | P | S | Nb vel V * | |||
Gradus 11 | A | STKM 11A | 0.12 max. | 0.35 max. | 0.60 max. | 0.040 max. | 0.040 max. | - |
Gradus 12 | A | STKM 12A | 0.20 max. | 0.35 max. | 0.6 max. | 0.04 max. | 0.04 max. | |
B | STKM 12B | |||||||
C | STKM 12C | |||||||
Gradus 13 | A | STKM 13A | 0.25 max. | 0.35 max. | 0.30~0.90 | 0.040 max. | 0.040 max. | - |
B | STKM 13B | |||||||
C | STKM 13C | |||||||
Gradus 14 | A | STKM 14A | 0.30 max. | 0.35 max. | 0.30~1.00 | 0.040 max. | 0.040 max. | - |
B | STKM 14B | |||||||
C | STKM 14C | |||||||
Gradus 15 | A | STKM 15A | 0.25~0.35 | 0.35 max. | 0.30~1.00 | 0.040 max. | 0.040 max. | - |
C | STKM 15C | |||||||
Gradus 16 | A | STKM 16A | 0.35~0.45 | 0.40 max. | 0.40~1.00 | 0.040 max. | 0.040 max. | - |
C | STKM 16C | |||||||
Gradus 17 | A | STKM 17A | 0.45~0.55 | 0.40 max. | 0.40~1.00 | 0.040 max. | 0.040 max. | - |
C | STKM 17C | |||||||
Gradus 18 | A | STKM 18A | 0.18 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. | - |
B | STKM 18B | |||||||
C | STKM 18C | |||||||
Gradus 19 | A | STKM 19A | 0.25 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. | - |
C | STKM 19C | |||||||
Gradus 20 | A | STKM 20A | 0.25 max. | 0.55 max. | 1.60 max. | 0.040 max. | 0.040 max. | 0.15 max |
Mechanica proprietatibus
Steel Gradus | Fortitudo cede (Mpa) | Distrahens fortitudo (Mpa) | Prolongatio% | |
Nomen | Nec. | ReH (min) | Rm(min) | A(min) |
STKM 11A |
| _ | 290 | 35 |
STKM 12A |
| 175 | 340 | 35 |
STKM 12B |
| 275 | 390 | 25 |
STKM 12C |
| 355 | 4700 | 20 |
STKM13A |
| 215 | 370 | 30 |
STKM 11B |
| 305 | 440 | 20 |
STKM11C |
| 380 | 510 | 15 |
tolerantia
MENSURA | Tolerantia licita | Special Tolerantia | ||
OD | WT | OD | WT | |
4mm-20mm | ±0.25mm | <3mm±0.3mm;
≥3mm ±10%
| ±0.05mm | ±0.05mm |
20mm-30mm | ±0.25mm | ±0.08mm | ±0.08mm | |
31mm-40mm | ±0.25mm | ±0.10mm | ±0.08mm | |
41mm-49mm | ±0.25mm | ±0.15mm | ±0.15mm | |
50mm-80mm | ±0.5% | ±0.20mm | ±0.20mm | |
81mm-120mm | ±0.5% | ±0.30mm | ±0.30mm |
Partus conditio
Designatio | Symbolum | Descriptio |
Frigus complevit (difficile) | BK(+C) | Tubuli caloris curationem non subeunt secundum extremum frigidum formantem et sic deformatio magis resistentia |
Frigus complevit (Soft) | BKW | Curatio caloris extremum sequitur frigus attractum deformatio limitata.Aptus processus ulterior permittit quendam gradum formandi frigoris (exempli deflexio, expansio) |
(+LC) | ||
Frigidus complevit et accentus, sublevetur | BKS(+SR) | Curatio caloris applicata est post extremum frigidum processum formantem.Subiectis congruis condicionibus processui, incrementa residua extollit quae involvit, dat et formare et machinere aliquo modo. |
Annealed | GBK(+A) | Ultimum processus frigidum formans sequitur furnum in atmosphaera moderata. |
Normalised | NBK(+N) | Ultimum frigus processus formandi sequitur furnum super punctum transmutationis superioris in atmosphaera temperata. |
Princeps Precision Ferro Tubes in Stock | ||||||||||
OD | Crassitudo (mm) | |||||||||
mm | ||||||||||
4 | 4*1 | |||||||||
6 | 6*1 | 6*1.5 | 6*2 | |||||||
8 | 8*1 | 8*1.5 | 8*2 | |||||||
10 | 10*1 | 10*1.5 | 10*2 | 10*2.5 | ||||||
12 | 12*1 | 12*1.5 | 12*2 | 12*2.5 | 12*3 | |||||
14 | 14*1 | 14*1.5 | 14*2 | 14*2.5 | 14*3 | |||||
15 | 15*1 | 15*1.5 | 15*2 | 15*2.5 | 15*3 | 15*3.5 | ||||
16 | 16*1 | 16*1.5 | 16*2 | 16*2.5 | 16*3 | 16*3.5 | 16*4 | 16*4.5 | ||
18 | 18*1 | 18*1.5 | 18*2 | 18*2.5 | 18*3 | 18*3.5 | 18*4 | 18*4.5 | ||
20 | 20*1 | 20*1.5 | 20*2 | 20*2.5 | 20*3 | 20*3.5 | 20*4 | 20*4.5 | 20*5 | |
22 | 22*1 | 22*1.5 | 22*2 | 22*2.5 | 22*3 | 22*3.5 | 22*4 | 22*4.5 | 22*5 | |
25 | 25*1 | 25*1.5 | 25*2 | 25*2.5 | 25*3 | 25*3.5 | 25*4 | 25*4.5 | 25*5 | |
28 | 28*1 | 28*1.5 | 28*2 | 28*2.5 | 28*3 | 28*3.5 | 28*4 | 28*4.5 | 28*5 | |
30 | 30*1 | 30*1.5 | 30*2 | 30*2.5 | 30*3 | 30*3.5 | 30*4 | 30*4.5 | 30*5 | 30*6 |
32 | 32*1.5 | 32*2 | 32*2.5 | 32*3 | 32*3.5 | 32*4 | 32*4.5 | 32*5 | 32*6 | |
34 | 34*1.5 | 34*2 | 34*2.5 | 34*3 | 34*3.5 | 34*4 | 34*4.5 | 34*5 | 34*6 | |
35 | 35*1.5 | 35*2 | 35*2.5 | 35*3 | 35*3.5 | 35*4 | 35*4.5 | 35*5 | 35*6 | |
38 | 38*2 | 38*2.5 | 38*3 | 38*3.5 | 38*4 | 38*4.5 | 38*5 | 38*6 | ||
40 | 40*2 | 40*2.5 | 40*3 | 40*3.5 | 40*4 | 40*4.5 | 40*5 | 40*6 | ||
42 | 42*2 | 42*2.5 | 42*3 | 42*3.5 | 42*4 | 42*4.5 | 42*5 | 42*6 | ||
45 | 45*2 | 45*2.5 | 45*3 | 45*3.5 | 45*4 | 45*4.5 | 45*5 | 45*6 | ||
46 | 46*2 | 46*2.5 | 46*3 | 46*3.5 | 46*4 | 46*4.5 | 46*5 | 46*6 | ||
48 | 48*2 | 48*2.5 | 48*3 | 48*3.5 | 48*4 | 48*4.5 | 48*5 | 48*6 | ||
50 | 50*2 | 50*2.5 | 50*3 | 50*3.5 | 50*4 | 50*4.5 | 50*5 | 50*6 | ||
54 | 54*2.5 | 54*3 | 54*3.5 | 54*4 | 54*4.5 | 54*5 | 54*6 | |||
60 | 60*2.5 | 60*3 | 60*3.5 | 60*4 | 60*4.5 | 60*5 | 60*6 | |||
65 | 65*3 | 65*3.5 | 65*4 | 65*4.5 | 65*5 | 65*6 | ||||
75 | 75*3.5 | 75*4 | 75*4.5 | 75*5 | 75*6 | |||||
76 | 76*4 | 76*4.5 | 76*5 | 76*6 | ||||||
89 | 89*6 | |||||||||
Nota: Possemus alias magnitudinum magnitudines producere sicut postulationes tuas.Superficies Treatment: Bright, Galvanized, Phosphate etc. |
Processus fabricare
commoda
Confirma inspectionem productorum in unaquaque scaena productionis, instrumentis perfectis probatis instructum: probatio vena non perniciosa, alta pressionis resistentia, machina probatio, machina machinalis tensilis universalis, inclinatio adulatione, machina probatio, munditia analystor, elementum metallum analysr, etc. Conveniant proprietatibus mechanicis productorum, processus effectus test, validam cautionem pro idoneis products praebent.
qualitas certitudine
1. Strict iuxta JIS G3445 Latin vel alia signa.
2. Sample: Sample gratis test.
3. Expertus: Sal imbre test/test tensile / Eddy current / Chemical compositio test secundum clientium petitionem
4. Certificate: IATF16949, ISO9001, SGS etc.
5.EN 10204 3.1 Certification