JIS G3445 STKM11A STKM12B STKM13B Icyuma Cyuma Cyuma Cyuzuye

JIS G3445 STKM11A STKM12B STKM13B Tube idafite ibyuma

JIS G3445 Carbone idafite ibyuma bya STKM11A 12A 13B

Igipimo:

JIS G3445 Carbone idafite ibyuma

Ohereza imeri kuri twe

Ibicuruzwa birambuye

Ibicuruzwa

Ibiranga

Icyiciro cy'ibikoresho:

STKM 11A 12A 12B 12C 13A 13B 13C 14A 14B 14C 15A 15C nibindi

Kuvura Ubuso:

1.Bare

2.Ibara ryirabura (irangi)

3.Yongerewe imbaraga

4.Amavuta

5.Kurikije abakiriya.

JIS G3445 Imiyoboro yicyuma ikoreshwa cyane cyane mubice byimodoka nibisobanuro byimodoka na silinderi.gukoresha igitutu, kandi no gutwara imirongo, amazi, imirongo ya gaz.

Ibigize imiti

Icyiciro		Kugenwa	Igice (%)
			C	Si	Mn	P	S	Nb cyangwa V.
Icyiciro cya 11	A	STKM 11A	0.12 max.	0.35 max.	0,60 max.	0.040 max.	0.040 max.	-
Icyiciro cya 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
Icyiciro cya 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
Icyiciro cya 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
Icyiciro cya 15	A	STKM 15A	0.25 ~ 0.35	0.35 max.	0.30 ~ 1.00	0.040 max.	0.040 max.	-
	C	STKM 15C
Icyiciro cya 16	A	STKM 16A	0.35 ~ 0.45	0.40 max.	0.40 ~ 1.00	0.040 max.	0.040 max.	-
	C	STKM 16C
Icyiciro cya 17	A	STKM 17A	0.45 ~ 0.55	0.40 max.	0.40 ~ 1.00	0.040 max.	0.040 max.	-
	C	STKM 17C
Icyiciro cya 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
Icyiciro cya 19	A	STKM 19A	0.25 max.	0.55 max.	1.50 max.	0.040 max.	0.040 max.	-
	C	STKM 19C
Icyiciro cya 20	A	STKM 20A	0.25 max.	0.55 max.	1.60 max.	0.040 max.	0.040 max.	0.15 max

Ibikoresho bya mashini

Icyiciro		Imbaraga Zitanga (Mpa)	Imbaraga za Tensile (Mpa)	Kurambura （%）
Izina	Oya.	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

Ubworoherane

SIZE	Kwihanganirana		Ubworoherane budasanzwe
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

Imiterere yo gutanga

Kugenwa	Ikimenyetso	Ibisobanuro
Ubukonje burangiye (birakomeye)	BK (+ C)	Ibijumba ntabwo bivura ubushyuhe nyuma yubukonje bwa nyuma, bityo, bifite imbaraga nyinshi zo kurwanya ihinduka
Ubukonje bwarangiye (Byoroshye)	BKW	Ubushyuhe bwa nyuma bwo kuvura bukurikirwa no gushushanya gukonje birimo guhindura ibintu bike.Ubundi buryo bukwiye bwo gutunganya butuma urwego runaka rwubukonje (urugero: kunama, kwaguka)
Ubukonje bwarangiye (Byoroshye)	(+ LC)
Ubukonje bwarangiye kandi bworohewe	BKS (+ SR)	Kuvura ubushyuhe bikurikizwa nyuma yuburyo bukonje bukonje.Ukurikije uburyo bukwiye bwo gutunganywa, kwiyongera kwingutu zisigaye zirimo gukora gukora no gutunganya kurwego runaka.
Annealed	GBK (+ A)	Uburyo bwa nyuma bwo gukonjesha bukurikirwa no gufatira mu kirere cyagenzuwe.
Bisanzwe	NBK (+ N)	Uburyo bwa nyuma bwo gukonjesha bukurikirwa no gufatira hejuru hejuru yo guhinduka mukirere cyagenzuwe.

Ibyuma Byinshi Byuma Byububiko
OD	Umubyimba (mm)
mm	Umubyimba (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
Icyitonderwa ： Turashobora kubyara ubundi bunini nkibisabwa.Kuvura Ubuso: Umucyo, Galvanised, Fosifate nibindi

Uburyo bwo gukora

Ibyiza

Shimangira igenzura ryibicuruzwa muri buri cyiciro cyibyakozwe, bifite ibikoresho byuzuye byo gupima: ibizamini bya eddy bidasenya, imashini yipimisha umuvuduko ukabije, imashini yipimisha imashini yisi yose, imashini yipimisha flansing, imashini isukura isuku, isesengura ryibyuma, nibindi. Menya imiterere yubukorikori bwibicuruzwa, ikizamini cyibikorwa, utange garanti ikomeye kubicuruzwa byujuje ibyangombwa.