ESR 4Cr13 420 1.2083 S136 Black Surface Marstenic Stainless Steel Round Bar

• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Hot Rolled
• Application: Die Steel Bar
• Surface: Black
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
• Model NO.: 1.2083/ 420/ 4Cr13/S136
• Delivery condition: Annealed or prehardened, black or polished
• Inspection: 100% UT passed
• Delivery Time: 7days
• Condition: stock
• Transport Package: Standard/Customized
• Specification: standard/customized
• Trademark: customized
• Origin: China
• HS Code: 7225401000
• Production Capacity: 1000t/Month

Product Description

ESR 4Cr13 420 1.2083 S136 Black Surface Marstenic Stainless Steel Round Bar

1. Features
  1) Medium-carbon high-Chromium martensite stainless steel mould steel
  2) Good mechanical properties, high hardenability, low distortion during heat treatment
  3) Hardness can be obtained up to 48-52HRC with proper heat treatment in order to obtain better polishability, corrosion resistance and wear resistance.
  4) Pure & Precision mirror polishing 
  5) Highly quality of corrosion resistance
  6) Convenient heat treatment for quenched&tempered steel, with out deformed 
  7) Easy for welding

2. Similar Standards

Chinese	American	German	Swedish	Japanese	Japanese
GB	AISI	DIN	ASSAB	JIS	DAIDO
4Cr13	420	1.2083	S136	SUS420J2	S-STAR

3. Chemical Composition

Grades	C	Si	Mn	P	Mo	Ni	V	Cr
1.2083	0.38-0.45	≤1.0	≤1.0	≤0.03	/	2.5-3.5	/	12.0-13.5
420	0.16-0.25	≤1.0	≤1.0	≤0.04	/	≤0.75	/	12.0-14.0
4Cr13	0.36-0.45	≤0.6	≤0.8	≤0.035	/	≤0.6	/	12.0-14.0
S136	0.34-0.42	0.6-1.3	/	≤0.030	0.30-0.55		0.15-0.40	13.0-14.5

4. Heat Treatment

Quenching			Tempering
Heating Temperature/ºC	Cooling	Hardness/HRC	Heating Temperature/ºC	Cooling	Hardness/HRC
1000-1050	Oil	52-55	200-300	Air	50-53

5. Applications

1. For (transparent) plastic moulds with high wear resistance and corrosion resistance requiements, such as PVC mould.
2. Suitable for all kinds of precision machinery, bearings, electrical, equipment, instruments, transportation vehicles, household appliances, etc.
3. Used to manufacture parts resistant to atmospheric, water vapor, water and oxidative acid corrosion
4. Used as a hot oil pump, valve plate, valve bearing, medical equipment, spring and other parts with higher hardness and high wear resistance

6. Stock Size

Shape	Diameter	Thickness	Width	Length
Steel Plate	/	12-75mm	1800-2000mm	2000-6000mm
	/	35-150mm	800-1300mm	2000-6000mm
Flat Bar	/	20-90mm	205-610mm	3000-6000mm
Round Bar	12-300mm	/	/	300-6000mm
Die Block	/	200-500mm	600-1200mm	2000-6000mm