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1.1170, DIN 28Mn6, AISI 1330

We can produce 1.1170, DIN 28Mn6, AISI 1330 stainless steel round rods, 1.1170, DIN 28Mn6, AISI 1330 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.1170, DIN 28Mn6, AISI 1330 chemical composition and 1.1170, DIN 28Mn6, AISI 1330 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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1.1170, DIN 28Mn6, AISI 1330

Designation by Standards

Brand Name	LH No.	Mat. No.	DIN	EN	AISI
28MN6	778	1.1170	28Mn6	-	1330

Chemical Composition (in weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.28	max. 0.40	1.48	max. 0.40	max. 0.10	max. 0.40	-	-	(Cr+Mo+Ni)=max. 0.63

Description
Manganese steel for moderate and lower temperature use in pressure vessels.

Applications
Used for weld fabrication of pressure vessels that require improved notch toughness for lower than ambient temperature service. Low and moderately stressed parts for vehicles, machines and engines.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [10³ x N/mm²]: 210
Density [g/cm³]: 7.83

Soft Annealing
This will produce a maximum Brinell hardness of 223.

Normalizing
Normalizing temperature: 850-890^oC.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 650^oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Harden from a temperature of 830-870^oC followed by water or oil quenching.

Tempering
Tempering temperature: 540-680^oC

Mechanical Properties in Normalized Condition

Diameter (mm)	0.2 % proof stress min.(N/mm²)	Tensile strength min. (N/mm²)	Elongation min.(%)
up to 16	345	630	17
17-40	310	680	18
41-100	290	590	18

Mechanical Properties in Quenched and Tempered Condition

Diameter (mm)	0.2 % proof stress min. (N/mm²)	Tensile strength min. (N/mm²)	Elongation min.(%)	Reduction of area min. (%)	Notch impact energy (ISO-V) min. (J)
up to 16	590	800-950	13	40	35
17-40	490	700-850	15	45	40
41-100	440	650-800	16	50	40
101-160	390	590-740	18	-	-
161-250	390	590-740	18	-	-
251-500	340	540-690	19	-	-

Hardenability in the end-quench test
Quenching temperature in the end-quench test is 850^oC

Hardness	1.5	3	5	7	9	11	13	15	20	25	30	35	40	45	50
H max.	54	53	51	48	44	41	38	35	31	29	27	26	25	25	24
H min.	45	42	37	27	21	-	-	-	-	-	-	-	-	-	-
HH max.	54	53	51	48	44	41	38	35	31	29	27	26	25	25	24
HH min.	48	46	42	34	30	27	24	21	-	-	-	-	-	-	-
HL max.	51	49	46	41	35	32	29	22	20	-	-	-	-	-	-
HL min.	45	42	37	27	21	-	-	-	-	-	-	-	-	-	-

Forging
Hot forming temperature: 1050-850^oC.

Machinability
Machinability of this steel is good.

Mechanical properties

1.1170, DIN 28Mn6, AISI 1330 Mechanical properties,Our production completely according to the 1.1170, DIN 28Mn6, AISI 1330 standards to meet the 1.1170, DIN 28Mn6, AISI 1330 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.1170, DIN 28Mn6, AISI 1330 mechanical properties.

Heat treatment

1.1170, DIN 28Mn6, AISI 1330 Heat treatment,Our production completely according to the 1.1170, DIN 28Mn6, AISI 1330 standards to meet the 1.1170, DIN 28Mn6, AISI 1330 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.1170, DIN 28Mn6, AISI 1330 Heat treatment.

Machining

1.1170, DIN 28Mn6, AISI 1330 Machining,Our production completely according to the 1.1170, DIN 28Mn6, AISI 1330 standards to meet the 1.1170, DIN 28Mn6, AISI 1330 Machining, can also according to the customer request, to meet the requirements of customers of 1.1170, DIN 28Mn6, AISI 1330 Machining.

Welding performance

1.1170, DIN 28Mn6, AISI 1330 Welding performance,Our production completely according to the 1.1170, DIN 28Mn6, AISI 1330 standards to meet the 1.1170, DIN 28Mn6, AISI 1330 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.1170, DIN 28Mn6, AISI 1330 Welding performance.

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