Wednesday, January 29, 2020
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Chinese GB Standard

GB is short for the first letter of the Pinyin “国标 Guo Biao”, which means “Chinese national standard” in English, and is issued by the Standardization Administration of the People’s Republic of China.

Mandatory standards are prefixed with “GB”; The recommended standard is prefixed with “GB/T”, T is short for the first letter of Pinyin “推荐 Tui Jian”, which means “recommended” in English.

4Cr13 40Cr13 Stainless Steel

4Cr13 (40Cr13) Stainless Steel Datasheet, Properties

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4Cr13 Stainless Steel Introduction 4Cr13 steel (New name: 40Cr13) is a martensitic type stainless steel, which has higher hardness than 3Cr13 steel after quenching. The steel has good mechanical processing performance. After heat treatment (quenching and tempering), it...
42CrMo steel crankshaft

42CrMo Steel Equivalent, Chemical Composition, Mechanical Properties

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Introduction 42CrMo steel is a Chinese alloy steel, and has high strength and toughness, good hardenability, and no obvious temper brittleness. After quenching and tempering treatment, it has high fatigue limit and resistance to multiple impacts, and good...
q690 steel plate, steel flat, steel sheet

Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties

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Q690 steel and Q690M material is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades: Q690C, Q690D and Q690E, "Q" means Yield Strength, "690" refers to 690 Mpa, Tensile Strength is 770-940...
Q195 vs Q215, Q195 vs Q235, Q195 vs Q275

Q195 vs Q215, Q235 and Q275 Steel

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Chinese GB Standard Carbon Structural Steel Specification Here we show the difference between Q195 vs Q215, Q235 & Q275, these steel series all belong to Chinese standard carbon structural steel, the lising below shows the difference of chemical...
stainless steel kitchen knife made from 3Cr13 steel

(30Cr13) 3Cr13 Stainless Steel Equivalent, Chemical Composition, Properties

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3Cr13 Steel Introduction Chinese 30Cr13 (3Cr13 steel) is a martensitic stainless steel, this steel has good mechanical processing performance. After heat treatment (quenching and tempering), it has excellent corrosion resistance and high polishing strength and wear resistance. After...
68Cr17 7Cr17 stainless steel kitchen knife

7Cr17 Steel (68Cr17) High Carbon Stainless Steel

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68Cr17 (7Cr17 Steel) 68Cr17 (7Cr17 steel) is a Chinese high barbon chromium martensitic stainless steel with a higher quenching hardness than 2Cr13 steel. 7Cr17 stainless steel has high strength and hardness under quenching and tempering conditions, and has...
102Cr17Mo 9Cr18Mo Stainless Steel

9Cr18Mo Stainless Steel Equivalent, Chemical Composition, Mechanical Properties

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9Cr18Mo Stainless Steel 9Cr18Mo steel is a Chinese GB standard martensitic stainless steel, after quenching, it has high hardness and wear resistance high temperature and low temperature dimensional stability. 9Cr18Mo stainless steel has similar properties and uses as...

20CrMo Steel Equivalent, Chemical Composition, Mechanical Properties

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20CrMo Alloy Steel GB 20CrMo steel is a kind of Chinese alloy steel for engineering and mechanical structure purpose, which is generally used in quenching or tempering or carburizing and quenching. 20CrMo material has high heat strength, good...
Steel bar made from Q215 steel

Q215 Steel, Q215A, Q215B Chemical Composition, Properties & Equivalent

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Q215 Mild Steel Q215 steel is a Chinese carbon structural steel, divided into 2 quality grades: Q215A and Q215B, material density is 7.85 g/cm3. "Q" is the first letter of Chinese spelling of "Qu Fu Dian", translated as...
Pressure vessel made from Q390 steel

Q390 Steel Properties, Chemical Composition & Equivalent

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Q390 Steel Introduction and Specifications Q390 steel is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 390 MPa, parameters are tested with 16mm diameter steel bars or steel plates, tensile strength is...