ASTM A871 / A871M tšepe

Tlhaloso ea ASTM A871 ke litekanyetso tse tloaelehileng bakeng sa lipoleiti tsa tšepe tse nang le matla a tlaase a alloy a nang le khanyetso ea kutu ea sepakapaka e sebelisoang meahong ea li-tubula le lipalo. Mephato ea 60 le ea 65 e fumaneha maemong a ho pepa, a tloahelehileng, kapa a tingoeng, joalo ka ha ho hlokahala ho fihlela thepa e boletsoeng ea mochini.

Litlhaloso:
Botenya: 3mm-150mm
Bophara: 30mm-4000mm
Bolelele: 1000mm--12000mm
Tekanyetso: ASTM EN10025 JIS GB

A871 Kereiti ya 65 e ka fuwa e phuthilwe, e tlwaelehile kapa e tinngwe le ho halefa.

Ho fumaneha ha A871-65
	TS'OANE	BOHLALE	BELELE
A871-65	3/16" – 1 1/4"	48"-120"	96"-650"

ASTM A871 Sehlopha sa 65 Sebopeho sa Lik'hemik'hale

Sebopeho sa tšepe sa A871-65
	A871-65
Khabone	0.17-0.2%
Manganese	0.5-1.35%
Phosphorus	0.03%
Sebabole	0.03%
Silicone	0.15-0.65%
Nickel	0.4-0.5%
Chromium	0.4-0.7%
Molybdenum	0-0.1%
Koporo	0.20-0.50%
Vanadium	0.01-0.1%
Columbium	0-0.05%

A871 Grade 60 Chemical composition % ea tlhahlobo ea Sehlahisoa ea boemo

A871 Grade 60 Chemical Composition ho tsoa ho typeI
Kereiti	A871 Grade 60  The Element Max (%)
	C	Mong	P	S	Si	Ni	Kr	Mo
A871 Sehlopha sa 60	0.19	0.80-1.35	0.04	0.05	0.30-0.65	0.40	0.40-0.70	--
	Cu	V	Nb
	0.25-0.40	0.02-0.10	---

Thepa ea Mechini ea A871 Kereiti ea 60

Kereiti	Matla a chai(Mpa)Min	tensile strength(Mpa)Min
A871 Sehlopha sa 60	415	520
	bolelele(200mm) Min	bolelele(50mm)Metsotso
	16%	18%

1.       A871 Grade 60 Nako ea Thoriso Kapa Nako ea ho Etapele: 15-30days
2.       Tshebeletso e Eketsehileng ya A871                  :                                                                                                                                                         
4
4.       Haeba u na le potso poleiting kapa litšebeletsong tsa rona. Ka kopo ikopanye le lefapha la rona la kamora litšebeletso ho fumana karabo kapele.

Letlapa la Tšepe la High Strength Low Alloy (HSLA):

Kereiti	C%	Mn %	P%	S %	Si %	Cu %
A871 Gr65	≤0.20	0.75-1.35	≤0.04	≤0.05	0.15-0.50	0.2-0.40
	Cr %	N %	V%	Ke %	B %	-
	0.4-0.70	-	0.01-0.10	≤0.50	-	-

Thepa ea Mechanical ea poleiti ea grade 65 ea a871:

Kereiti	Botenya(mm)	MinYield(Mpa)	Tensile(MPa)	Elongation (%)	Min Impact Energy
A871 Gr65	≤12 limilimithara	Min 450Mpa	Min550Mpa	17	-18℃	20J
	≥12 limilimithara	Min 450Mpa	Min 550Mpa	17	-29℃	20J