HT250 - YB /T 036.2-1992

Grade	HT250
Corresponding Standard	YB /T 036.2-1992 General Technical Conditions for Metallurgical Equipment Manufacturing - Cast Iron Parts
Classification	cast Iron

HT250 Mechanical Properties

	Tensile Strength σ_b Mpa
Single Cast Test Bar	≥250
Casting Wall Thickness > 4.0~10mm	≥270
Casting Wall Thickness > 10~20mm	≥240
Casting Wall Thickness > 20~30mm	≥220
Casting Wall Thickness > 30~50mm	≥200
Attached Cast Test Bar, Wall Thickness > 20~40mm (φ30mm)	≥220
Attached Cast Test Bar, Wall Thickness > 40~80mm (φ30mm)	≥200
Attached Cast Test Bar, Wall Thickness > 40~80mm (φ50mm)	≥190
Attached Cast Test Bar, Wall Thickness > 80~150mm (φ50mm)	≥180
Attached Cast Test Bar, Wall Thickness > 150~300mm (φ50mm)	≥165
Attached Cast Test Block, Wall Thickness > 20~40mm (R15mm)	≥210
Attached Cast Test Block, Wall Thickness > 40~80mm (R15mm)	≥190
Attached Cast Test Block, Wall Thickness > 80~150mm (R25mm)	≥170
Attached Cast Test Block, Wall Thickness > 150~301mm (R25mm)	≥160

Approximate Comparison Table Cast Iron

China

Taiwan, China

Japan

United States

International Organization for Standardization

Germany

France

European Standard

Russia

Sweden

United Kingdom

Australia

CNS

JIS

ASTM

SAE

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

Australian Standard AS

HT25-47
HT250

FC250

250/275
35
35B
40
40B

G11H20

250
JL250

GG25

0.6025

FGL250
Ft25D

EN-GJL-250

EN-JL1040

SCH25

01-25-00
0125

250
260
Grade220
Grade260

T260

HT250 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!