hardness gradient

hardness gradient, Total:14 items.

The international standard classification for "hardness gradient" includes: Heat treatment and coating , Welded joints .

The Chinese standard classification for "hardness gradient" includes: Heat treatment , Non-traditional processing technology , Welding and cutting .

Hebei Provincial Standard of the People's Republic of China

DB13/T 2771-2018 Method for Determination of Hardened Layer Depth of Automotive Chilled Alloy Cast Iron Camshaft

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 27552-2011 Destructive tests on welds in metallic materials - Microhardness testing of welded joints
GB/T 45753-2025 Additive manufacturing—Specification for functionally graded additive manufacturing process
GB/T 9450-2005 Steels—Determination and verification of the depth of carburized and hardened cases

Professional Standard - Aerospace

QJ 1326-1987 Determination method of nitriding layer depth of iron and steel parts

Professional Standard - Ferrous Metallurgy

YB/T 4933-2021 Steel wire for lift ropes-Viclers hardness test method

American Society for Testing and Materials (ASTM)

ASTM E140-97e2 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness
ASTM E140-12B(2019)e1 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM RR-E28-1044 2012 E0140-Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM RR-E28-1005 1985 E0140-Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM E140-12be1 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM RR-E28-1003 1984 E0140-Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM RR-E28-1001 1982 E0140-Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
ASTM E140-12b Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness