JIS G 3441 Class 2 Alloy Seamless Steel Tubes Chithunzi Chowonetsedwa

JIS G 3441 Kalasi 2 Aloyi Zopanda Zitsulo Zachitsulo

Kufotokozera Kwachidule:

Kukula: OD: 15.0 ~ 114mm WT: 2 ~ 20mm

Gulu: SCM420TK, SCM 415TK, SCM430TK,

Utali: 6M kapena kutalika kwake komwe kumafunikira.

Mapeto: Mapeto Oyera, Mapeto A Beveled.

Malipiro: 30% Deposit, 70% L/C Kapena B/L Copy Kapena 100% L/C Pamaso

Kuchuluka Kwambiri: Matani a 1

Nthawi Yotsogola: Masiku a 7-14 Ngati Muli Sitolo, Masiku 30-45 Opanga

Ukadaulo: Wokulungidwa Wotentha, Wokokedwa Wozizira, Wotulutsa, Wozizira Watha, Kutenthedwa Kutentha

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Chemical Composition ndi makina katundu JIS G3441Machubu a Alloy Seamless Steel

Gulu ndi Chemical Composition (％)

Gulu

C≤

P≤

S≤

Mtengo wa SCM420TK

0.18 ~

0.23

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

Mtengo wa SCM415TK

0.13 pa

0.18

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Mtengo wa SCM418TK

0.16 ~

0.21

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Mtengo wa SCM420TK

0.18 ~

0.23

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Mtengo wa SCM430TK

0.28 ndi

0.33

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Mtengo wa SCM435TK

0.33 pa

0.38

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Mtengo wa SCM440TK

0.38 ndi

0.43

0.15 ~

0.35

0.60 pa

0.85

0.030

0.90 pa

1.20

0.15 ~

0.30

Zindikirani: 1. Ni monga chodetsedwa mu mipope zosiyanasiyana zitsulo si upambana 0,25%, ndi Cu si upambana 0,30%;2. Pamene wogula apempha kuunika kwa chinthu chomalizidwa, kupatuka kololedwa kuli monga momwe tafotokozera mu Table 3 ya JIS G0321.

Kupanga Njira yaMtengo wa JIS G3441Aloyi Seamless Zitsulo Zitsulo

Zambiri za JIS G 3441Aloyi Seamless Zitsulo ZitsuloTitha kupereka

Kupanga: chitoliro chopanda msoko (yotentha yomaliza ndi yozizira yatha)

Kukula: OD: 15.0 ~ 114mm WT: 2 ~ 20mm

Gulu: SCM 415TK, SCM 420 TK.

Utali: 6M kapena kutalika kwake komwe kumafunikira.

Mapeto: Mapeto Oyera, Mapeto A Beveled.

Gulu
Njira yopangira code (yotentha yomaliza yopanda chitsulo chitoliro: SH;Chitoliro chozizira chomaliza chopanda msoko: SC)
Makulidwe (mwadzina m'mimba mwake X mwadzina khoma makulidwe kapena kunja awiri X khoma makulidwe)
Dzina la wopanga kapena mtundu wake

Kulekerera kwa kunja kwake ndi makulidwe a khoma

Kulekerera kwa OD ndi WT

Gawo	Kulekerera pa OD		Kulekerera pa WT
Kalasi 1	D - 50m	± 0.5 mm	S-4 mm	+ 0.6 mm -0.5 mm
Kalasi 1	50mm≤D	±1%	S≥4mm	+ 1% -12.5%
Kalasi 2	D - 50m	± 0.25mm	S＜3mm	± 0.3mm
Kalasi 2	50mm≤D	± 0.5%	S≥3mm	±10%
Kalasi 3	D - 25m	± 0.12 mm	S＜2mm	± 0.15mm
	40mm＞D≥25mm	± 0.15 mm
	50mm＞D≥40mm	± 0.18 mm	S≥2mm	± 8%
	60mm＞D≥50mm	± 0.20 mm	Zindikirani: kulolerana pa makulidwe a khoma lililonse kudzazunguliridwa kumalo amodzi malinga ndi lamulo la JIS Z 8401.
	70mm＞D≥60mm	± 0.23mm
	80mm＞D≥70mm	± 0.25 mm
	90mm＞D≥80mm	± 0.30mm
	100mm＞D≥90mm	± 0.40 mm
	D≥100mm	± 0.50%

1. Kulekerera kwa OD kwa chitoliro chotentha chachitsulo chosasinthika molingana ndi Class12. Kuzimitsidwa ndi kutentha zitsulo mapaipi malinga ndi 4 magulu.