AISI 4135/JIS Scm435 Structural Cold Drawn Alloy Qt Steel Round Bar

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Quenched and Tempered
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Alloy: Alloy
• Special Use: Mold Steel
• Model NO.: AISI 4135/JIS SCM435
• Steel Grade: Scm435 4135 35CrMoA
• Delievery Condition: Qt Alloy Steel Round Bars
• Commodition: 4135 Scm435 Quenched & Tempered
• Condition: AISI/SAE 4140+Qt
• Techniques: Quenched and Tempered
• Diameter: 12mm to 1000mm
• Products: 4135 Scm435 Qt Alloy Steel Round Bars
• Transport Package: Standard Export Packing
• Specification: Diameter 12mm to 1000mm
• Origin: China
• HS Code: 72283090
• Production Capacity: 3000tons/Month

Product Description

AISI 4135/JIS SCM435 structural cold drawn alloy QT steel round bar 


1.Applications of Heat-Treatable Steel 
The i Machine construction, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts, and so on.

2.Sizes range of QT steel bars we can supply :

Delivery condition	Diameter ranges
Hot tolled	M12-M310
Hot rolled+Q&T(Quenched and tempered)	M12-M310.
Cold drawn +Q&T(Quenched and tempered)	M10-M100
Peeled / Peeled+Q&T	M10-M100
Forged/Forged+Heat treatment.	M250-M1000

3.4135 Steel Equivalent

GB	ASTM/SAE/AISI	DIN	SCM	AS /NZS1444
35CrMo	AISI 4135 / SAE 4135 / ASTM 4135	34CrMo4	SCM435	AS 4137

4.AISI 4135 steel chemical composition

Material	Chemical Composition %
ASTM	C	Si	Mn	S	P	Cr	Mo
AISI 4135	0.35-0.40	0.15-0.35	0.70-0.90	0.035 max	0.035 max	0.80-1.10	0.15-0.25

5.Quality control
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8
4. non-metallic inclusions contorlling level

	A	B	C	D
	MAX	MAX	MAX	MAX
Thin	2	2	2	2
Thick	1	1	1	1

6.4135 SCM435 steel mechanical properties:
(Can catch properties according to your requirements )

GB(standard)	Mechanical Properties after Q&T
	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation	Reduction of area	AKV (J)
35CrMo	835 min	980 min	12% min	45% min	63 min

7.Delivery time of steel bar:
7-10days of stock,30 days after order confirmed for new produced .
8.Payment term:TT or LC
9.Free sample:Yes
10.steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test and so on. 
11.Mark: Heat Number,Weight,Sizes,Grade,etc