JIS G3445 STKM11A STKM12B STKM13B isina musono Simbi Tube

JIS G3445 Carbon Seamless Simbi Tubes STKM11A 12A 13B machubhu

Standard:

JIS G3445 Carbon Seamless simbi machubhu

Tumira email kwatiri

Product Detail

Product Tags

Features

Material Giredhi:

STKM 11A 12A 12B 12C 13A 13B 13C 14A 14B 14C 15A 15C nezvimwewo.

Surface Treatment:

1.Bared

2.Black Painted (varnish coating)

3.Galvanized

4.Oiled

5.Maererano nevatengi.

JIS G3445 Precision simbi machubhu anonyanya kushandiswa mumotokari uye nemakina ezvikamu zvemotokari uye silinda.kushandiswa kwekumanikidza, uye zvakare kutakura chiutsi, mvura, gasi pombi mitsetse.

Kemikari yakagadzirwa

Giredhi		Designation	Chikamu (%)
			C	Si	Mn	P	S	Nb kana V
Grade 11	A	STKM 11A	0.12 max.	0.35 max.	0.60 max.	0.040 max.	0.040 max.	-
Grade 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
Grade 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
Grade 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
Grade 15	A	STKM 15A	0.25~0.35	0.35 max.	0.30 ~ 1.00	0.040 max.	0.040 max.	-
	C	STKM 15C
Grade 16	A	STKM 16A	0.35~0.45	0.40 max.	0.40~1.00	0.040 max.	0.040 max.	-
	C	STKM 16C
Grade 17	A	STKM 17A	0.45~0.55	0.40 max.	0.40~1.00	0.040 max.	0.040 max.	-
	C	STKM 17C
Grade 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
Grade 19	A	STKM 19A	0.25 max.	0.55 max.	1.50 max.	0.040 max.	0.040 max.	-
	C	STKM 19C
Grade 20	A	STKM 20A	0.25 max.	0.55 max.	1.60 max.	0.040 max.	0.040 max.	0.15 max

Mechanical properties

Steel Giredhi		Goho Simba (Mpa)	Tensile Strength (Mpa)	Elongation (%)
Zita	Aihwa.	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

Kushivirira

SIZE	Kushivirira kunobvumirwa		Kushivirira Kwakakosha
SIZE	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

Delivery condition

Designation	Symbol	Tsanangudzo
Kutonhora kwapera (zvakaoma)	BK(+C)	Machubhu haaitirwe kurapwa kwekupisa zvichitevera kutonhora kwekupedzisira kuumbwa uye, nekudaro, kune yakanyanya kupikisa deformation
Kutonhora kwapera (Kupfava)	BKW	Iyo yekupedzisira kupisa kurapwa inoteverwa neinotonhora kudhirowa kunosanganisira kushoma deformation.Kuenderera mberi kwakakodzera kugadzirisa kunobvumira imwe dhigirii yekutonhora kuumba (semuenzaniso kukotama, kuwedzera)
Kutonhora kwapera (Kupfava)	(+LC)
Kutonhora kwapera uye kushushikana-kubvisa	BKS(+SR)	Kurapa kwekupisa kunoshandiswa zvichitevera kutonhora kwekupedzisira kuumba maitiro.Zvichienderana nemamiriro ekugadzirisa akakodzera, kuwedzera kwekunetseka kwakasara kunobatanidzwa kunogonesa kuumba uye kugadzira kune imwe nhanho.
Annealed	GBK(+A)	Iyo yekupedzisira Cold kuumba maitiro inoteverwa neannealing mumhepo inodzorwa.
Normalized	NBK(+N)	Iyo yekupedzisira inotonhora kuumba maitiro inoteverwa neannealing pamusoro peiyo yepamusoro shanduko nzvimbo munzvimbo inodzorwa.

High Precision Steel Tubes muStock
OD	Hukobvu(mm)
mm	Hukobvu(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
Ongorora: Tinogona kugadzira mamwe saizi sezvinodiwa zvako.Kurapa Kwepamusoro: Kupenya, Galvanized, Phosphate etc.

Manufacture Process

Zvakanakira

Simbisa kuongororwa kwezvigadzirwa muchikamu chega chega chekugadzira, chine midziyo yekuyedza yakakwana: isingaparadze eddy ikozvino kuyedza, yakanyanya kumanikidza kuramba yekuyedza muchina, universal mechanical tensile yekuyedza muchina, kubhenda flattening flares yekuyedza muchina, hutsanana analyzer, simbi element analyzer, nezvimwe. Sangana nemakanika ezvivakwa zvezvigadzirwa, process performance test, ipa vimbiso ine simba kune zvigadzirwa zvinokodzera.