北京哈德技术发展有限公司

专业代理美国原产ASTM标准的硬度块，执行下列标准：

洛氏硬度块：执行标准ASTM E-18；
表面洛氏硬度块：执行标准ASTM E-18；
布氏硬度块：执行标准ASTM E-10；
维氏硬度块：执行标准ASTM E-92；
显微维氏硬度块：执行标准ASTM E-384；
努氏（Knoop）硬度块: 执行标准ASTM E-384；

所有硬度块具备检定证书，检定证书的出具具备下述资质（全球互认）：遵从ISO17025（全称ISO/IEC17025:2005《检测和校准实验室能力的通用要求》）、ANSI（全称美国国家标准学会American National Standards Institute）规定的流程，可以溯源到NIST（美国国家标准技术研究院National Institute of Standards and Technology），具备A2LA （美国实验室认可协会American Association for Laboratory Accreditation）和NVLAP（全称国家实验室自愿认可程序National Voluntary Laboratory Accreditation Program ）的授权编号。

美国ASTM标准洛氏硬度块，钢质

洛氏硬度块规格Rockwell Regular Hardness Test Block
Scale	Penetrator	Load	Ranges	Material
A Scale	C Diamond	60 Kg	A60 - A84	Steel
A Scale	C Diamond	60 Kg	A20 - A59	Brass
A Scale	A Diamond (Carbide)	60 Kg	A88 & up	Carbide
B Scale	1/16" Ball	100 Kg	B10 - B92	Brass
B Scale	1/16" Ball	100 Kg	B90 - B130	Steel
C Scale	C Diamond	150 Kg	All	Steel
D Scale	C Diamond	100 Kg	All	Steel
E Scale	1/8" Ball	100 Kg	All	Brass
F Scale	1/16" Ball	60 Kg	All	Brass
G Scale	1/16" Ball	150 Kg	G2.5 - G64	Brass
G Scale	1/16" Ball	150 Kg	G66 & up	Steel
H Scale	1/8" Ball	60 Kg	All	Brass
K Scale	1/8" Ball	150 Kg	All	Brass
L Scale	1/4" Ball	60 Kg	All	Brass
M Scale	1/4" Ball	100 Kg	All	Brass
P Scale	1/4" Ball	150 Kg	All	Brass
R Scale	1/2" Ball	60 Kg	All	Brass
S Scale	1/2" Ball	100 Kg	All	Brass
V Scale	1/2" Ball	150 Kg	All	Brass
NOTE: Aluminum Test blocks are available in "B", "E", "F", "G", "H", "K" Scales, but ranges are more limited.

美国ASTM标准洛氏硬度块，铜质（软标尺标准块HRB (<70)，HRE，HRF，HRG等）

美国ASTM标准硬度块，铝质（软标尺、低硬度值块，适合航天航空有色金属等）

表面洛氏硬度块规格Rockwell Superficial Hardness Test Block
Scale	Penetrator	Load	Ranges	Material
15N Scale	N Diamond	15 Kg	All	Steel
30N Scale	N Diamond	30 Kg	All	Steel
45N Scale	N Diamond	45 Kg	All	Steel
15T Scale	1/16" Ball	15 Kg	All	Brass
30T Scale	1/16" Ball	30 Kg	All	Brass
45T Scale	1/16" Ball	45 Kg	All	Brass
15W Scale	1/8" Ball	15 Kg	All	Brass
30W Scale	1/8" Ball	30 Kg	All	Brass
45W Scale	1/8" Ball	45 Kg	All	Brass
15X Scale	1/4" Ball	15 Kg	All	Brass
30X Scale	1/4" Ball	30 Kg	All	Brass
45X Scale	1/4" Ball	45 Kg	All	Brass
15Y Scale	1/2" Ball	15 Kg	All	Brass
30Y Scale	1/2" Ball	30 Kg	All	Brass
45Y Scale	1/2" Ball	45 Kg	All	Brass

美国ASTM标准布氏硬度块

布氏硬度块规格Brinell Hardness Test Blocks
Part No:	Description	Range
B0250	Brinell 250 Load	All Hardness Ranges
B0500	Brinell 500 Load	All Hardness Ranges
B1000	Brinell 1000 Load	All Hardness Ranges
B1002	Brinell 62.5 Load	All Hardness Ranges
B1500	Brinell 1500 Load	All Hardness Ranges
B3000	Brinell 3000 Load	All Hardness Ranges
B3001	Brinell 750 Load	All Hardness Ranges
B3002	Brinell 187.5 Load	All Hardness Ranges
BT001	Telebrinell	All Hardness Ranges

美国ASTM标准维氏硬度块

维氏硬度块规格Micro Hardness Test Blocks
Part No:	Description	Range
MV010	Vickers (1 gram to 1,000 gram)	All Ranges
MV020	Heavy Load Vickers (1 Kg to 50 Kg)	All Ranges
MK010	Knoop (1 gram to 1,000 gram)	All Ranges
Note: When ordering please specify Knoop or Vickers, Load and the Hardness Range Number you require.