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Home Material BS 3100-1991
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Grade BT1
Corresponding Standard BS 3100-1991
Specification for Steel castings for general engineering purposes
Classification Cast Steel
BT1 Chemical Element Composition Content (%)
Component P S
Minimum Value - -
Maximum Value 0.04 0.04
BT1 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
AH+T or OQ+T or WQ+T ≥690 ≥495 ≥11 ≥35
1 Approximate Comparison Table High-Speed Tool Steels
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
W18Cr4V SKH
SKH2 		T1 HS18-0-1 HS18-0-1 Z80WCV18-04-01 HS18-0-1 1.3355 R18 2750 BT1
2 Approximate Comparison Table High-Speed Tool Steels
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM ISO DIN EN/DIN BS EN/BS
W18Cr4V SKH2 SKH2 T1 HS18-0-1 S18-0-1 BT1
3 Approximate Comparison Table High-Speed Steel 2
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS14 BS EN/BS
W18Cr4V T51841 SKH 2 SKH 2 SKH 2 T1 T12001 HS 18-0-1 S 18-0-1 1.3355 HS 18-0-1 Р18 2750 HS 18-0-1
BT1
4 Approximate Comparison Table High-Speed Steel 4
China Japan South Korea United States Germany France European Standard Russia Sweden United Kingdom
GB JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
W18Cr4V SKH2 SKH2 T1 T12001 HS18-0-1
S18-0-1
X75WCrV18-4-1 		1.3355 18-04-01
HS18-0-1
Z80WCV
Z80WCV18-04-01 		HS18-0-1
HSv18-0-1
X75WCrV18-4-1 		1.3355 Р18
R18 		2750 3355
BT1
BT1 Corresponding Standards(Same grade name, different standards)
1 BS 3100-1991
BT1
2 BS 4659-1989
BT1

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