ASTM A135 Gr.B ERW quvurlari

Qarshilik payvandlangan quvur - payvandlash qismlari yig'ilgandan so'ng elektrodlar orqali bosim o'tkazish va qo'shma va qo'shni joylarning aloqa yuzasi orqali o'tadigan oqim tomonidan ishlab chiqarilgan qarshilik issiqligi yordamida payvandlangan po'lat quvur.

ASTM A135 spetsifikatsiyasi

Material:	ASTM A135 GRA GRB	Turi:	Elektr qarshilik payvandlangan po'lat quvur
Tashqi diametri:	5 - 420 mm	Ishlab chiqarish texnologiyasi:	Sovuq chizilgan / sovuq haddelenmiş / issiq haddelenmiş
Yuzaki ishlov berish:	Qora lak bilan bo'yalgan, moyli bo'yalgan, galvanizli	Qotishma yoki yo'q:	Qotishma emas

ASTM A135 ERW quvurining kimyoviy tarkibi

Element	Tarkibi, maksimal, %
	A sinf	B sinf
C	0.25	0.30
Mn	0.95	1.20
P	0.035	0.035
S	0.035	0.035

ASTM A135 payvandlangan quvurning mexanik xususiyati

ASTM A135	A sinf	B sinf
Mustahkamlik chegarasi, min, ksi [MPa]	48 [330]	60 [415]
Hosildorlik kuchi, min, ksi [MPa]	30 [205]	35 [240]
cho'zilish, min, %	35	30

Quvurlar devorining qalinligi bardoshlik jadvali

Nominal Devor qalinligi		Nominal OD 22 mm orqali ±mm		Nominal OD 22-48mm ±mm		Nominal OD 48-100mm ±mm
0.89		0.05/0.05		0.05/0.05		0.05/0.05
1.00		0.05/0.05		0.05/0.08		0.05/0.08
1.25		0.05/0.05		0.05/0.08		0.05/0.08
1.50		0.05/0.05		0.05/0.08		0.05/0.08
1.65		0.05/0.05		0.05/0.08		0.05/0.08
2.00		0.05/0.05		0.05/0.08		0.05/0.08
2.11		0.05/0.05		0.05/0.08		0.05/0.08
2.410		0.05/0.05		0.05/0.08		0.08/0.08
2.500		0.05/0.08		0.05/0.10		0.08/0.08
2.770		0.05/0.08		0.05/0.10		0.08/0.08
3.000		0.05/0.08		0.05/0.10		0.08/0.08
3.050		0.05/0.08		0.05/0.10		0.08/0.08
3.40		-		0.05/0.10		0.08/0.08
3.75		-		0.05/0.10		0.08/0.08
4.00		-		0.08/0.10		0.08/0.10
4.19		-		0.08/0.10		0.08/0.10
4.57		-		0.10/0.10		0.08/0.13
5.00		-		0.10/0.13		0.10/0.13

A135 ERW po'lat quvur

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Issiq teglar: astm a135 gr.b erw quvurlari, Xitoy astm a135 gr.b erw quvurlari ishlab chiqaruvchilari, etkazib beruvchilari