GB/T 8165-2025 Stainless steel clad plate, sheet and strip
1 Scope
This document specifies the classification and designation, manufacturing process, ordering content, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of stainless steel clad plate, sheet and strip [hereinafter referred to as steel clad plate (strip)] produced by explosion compounding method, exploded rolling method and rolled compounding method.
This document is applicable to single-sided and double-sided steel clad plate (strip), with stainless steel as cladding metal, carbon steel, low alloy steel or alloy steel as base metal, used to manufacture various pressure vessels, storage tanks and structural parts.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 247 General rule of package mark and certification for steel plates (sheets) and strips
GB/T 708 Dimension, shape, weight and tolerance for cold-rolled steel strip and sheet
GB/T 709 Dimension, shape, weight and tolerance for hot-rolled steel strip, plate and sheet
GB/T 712 Structural steel for ship and ocean engineering
GB/T 713.2 Steel plate, sheet and strip for pressure equipments - Part 2 : Non-alloy and alloy steel with specified temperature properties
GB/T 713.3 Steel plate, sheet and strip for pressure equipments - Part 3 : Low alloy steel with specified low temperature properties
GB/T 713.7 Steel plate ,sheet and strip for pressure equipments - Part 7 : Stainless steel and heat resisting steel
GB/T 714 Structural steel for bridge
GB/T 3274 Hot-rolled plates, sheets and strips of carbon structural steels and high strength low alloy structural steels
GB/T 3280 Cold rolled stainless steel plate, sheet and strip
GB/T 4237 Hot rolled stainless steel plate, sheet and strip
GB/T 4334 Corrosion of metals and alloys - Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels GB/T 6396 Clad steel plates - Mechanical and technological test
GB/T 7734 Method for ultrasonic testing of clad steel plates
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8651 Flaw detection method by the ultrasonic plate wave for metal plates
GB/T 13305 Method for determining content of the α-phase in stainless steels
GB/T 17505 Steel and steel products - General technical delivery requirements
GB/T 17897 Corrosion of metals and alloys - Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
NB/T 47013.5-2015 Nondestructive testing of pressure equipments - Part 5：Penetrate testing
TB/T 1979 Special metal materials for rolling stock - Atmospheric corrosion resisting steel
TB/T 3462 Stainless steel plate, sheet and strip for railway freight car
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
stainless steel clad plate, sheet and strip
cladding metal, with carbon steel, low alloy steel or alloy steel as the base metal (3.3), coated with stainless steel of a certain thickness on one or two sides continuously as a whole by explosion or other methods
3.2
cladding metal
stainless steel in steel clad plate contacting with working medium and atmosphere
Note: it is commonly referred to as cladding.
3.3
base metal
carbon steel, low alloy steel or alloy steel in steel clad plate which mainly bears structural strength
Note: it is commonly referred to as base.
3.4
explosion compounding method
method for realizing welding and compounding between cladding metal (3.2) and base metal (3.3) during explosion
3.5
rolled compounding method
method for realizing metallurgical bonding between cladding metal (3.2) and base metal (3.3) during rolling
3.6
exploded rolling method
method for realizing metallurgical bonding between cladding metal (3.2) and base metal (3.3) during rolling
3.7
compound contact interface
interface between steel clad plate (3.2) and base metal (3.3)
3.8
union rate
percentage of metallurgical welded area between steel clad plate (3.2) and base metal (3.3) to the total interface area
3.9
patched welding
operation in which the cladding metal of clad plate (3.2) can keep its original performance through various treatments after unbounded stainless steel is removed according to certain requirements and clad plate (3.2) is undergone surfacing on the cladding metal (3.2)
GB/T 8165-2025 Stainless steel clad plate, sheet and strip
1 Scope
This document specifies the classification and designation, manufacturing process, ordering content, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of stainless steel clad plate, sheet and strip [hereinafter referred to as steel clad plate (strip)] produced by explosion compounding method, exploded rolling method and rolled compounding method.
This document is applicable to single-sided and double-sided steel clad plate (strip), with stainless steel as cladding metal, carbon steel, low alloy steel or alloy steel as base metal, used to manufacture various pressure vessels, storage tanks and structural parts.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 247 General rule of package mark and certification for steel plates (sheets) and strips
GB/T 708 Dimension, shape, weight and tolerance for cold-rolled steel strip and sheet
GB/T 709 Dimension, shape, weight and tolerance for hot-rolled steel strip, plate and sheet
GB/T 711 Hot-rolled quality carbon structural steel plates sheets and strips
GB/T 712 Structural steel for ship and ocean engineering
GB/T 713.2 Steel plate, sheet and strip for pressure equipments - Part 2 : Non-alloy and alloy steel with specified temperature properties
GB/T 713.3 Steel plate, sheet and strip for pressure equipments - Part 3 : Low alloy steel with specified low temperature properties
GB/T 713.7 Steel plate ,sheet and strip for pressure equipments - Part 7 : Stainless steel and heat resisting steel
GB/T 714 Structural steel for bridge
GB/T 3274 Hot-rolled plates, sheets and strips of carbon structural steels and high strength low alloy structural steels
GB/T 3280 Cold rolled stainless steel plate, sheet and strip
GB/T 4237 Hot rolled stainless steel plate, sheet and strip
GB/T 4334 Corrosion of metals and alloys - Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels GB/T 6396 Clad steel plates - Mechanical and technological test
GB/T 7734 Method for ultrasonic testing of clad steel plates
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8651 Flaw detection method by the ultrasonic plate wave for metal plates
GB/T 13305 Method for determining content of the α-phase in stainless steels
GB/T 17505 Steel and steel products - General technical delivery requirements
GB/T 17897 Corrosion of metals and alloys - Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
NB/T 47013.5-2015 Nondestructive testing of pressure equipments - Part 5：Penetrate testing
TB/T 1979 Special metal materials for rolling stock - Atmospheric corrosion resisting steel
TB/T 3462 Stainless steel plate, sheet and strip for railway freight car
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
stainless steel clad plate, sheet and strip
cladding metal, with carbon steel, low alloy steel or alloy steel as the base metal (3.3), coated with stainless steel of a certain thickness on one or two sides continuously as a whole by explosion or other methods
3.2
cladding metal
stainless steel in steel clad plate contacting with working medium and atmosphere
Note: it is commonly referred to as cladding.
3.3
base metal
carbon steel, low alloy steel or alloy steel in steel clad plate which mainly bears structural strength
Note: it is commonly referred to as base.
3.4
explosion compounding method
method for realizing welding and compounding between cladding metal (3.2) and base metal (3.3) during explosion
3.5
rolled compounding method
method for realizing metallurgical bonding between cladding metal (3.2) and base metal (3.3) during rolling
3.6
exploded rolling method
method for realizing metallurgical bonding between cladding metal (3.2) and base metal (3.3) during rolling
3.7
compound contact interface
interface between steel clad plate (3.2) and base metal (3.3)
3.8
union rate
percentage of metallurgical welded area between steel clad plate (3.2) and base metal (3.3) to the total interface area
3.9
patched welding
operation in which the cladding metal of clad plate (3.2) can keep its original performance through various treatments after unbounded stainless steel is removed according to certain requirements and clad plate (3.2) is undergone surfacing on the cladding metal (3.2)
