AISI 4137 (AISI 4137H) Forged Forging Steel Round Bars/Hollow Bars/Flat Bars/Blocks

• Customization: Available
• After-sales Service: Support
• Warranty: Lifetime Warranty
• Model NO.: 4137H
• Alloy: Alloy
• Special Use: Free Cutting Steel
• Certificate: ISO, ABS, BV, CCS, Dnv, Lr, Gl, Mill Certificate
• Quality Inspection: Ut, Chemical Composition, Physical Properties/SGS
• Siz: Dia. 10-1500mm, Length: 3000-6000mm
• Heat Treatment: Quenched, Tempered, Annealed
• Surface Require: Black, Grinding, Bright, Polish
• Delivery Condition: Hot Rolled, Forged, Eaf+Lf+Vd
• Transport Package: Seaworthy Packing/Wooden Box or at Client′s Requir
• Specification: Customized
• Trademark: OEM & ODM
• Origin: China
• HS Code: 7228600000
• Production Capacity: 1000 Ton/Month

Product Description

Product Description

SAE 4137H Alloy Steel
Introduction

SAE 4137H is an H-Steel grade Alloy Steel. It is commonly called SAE 4137H Chromium-molybdenum steel. SAE 4137H offers good ductility and shock resisting properties combined with resistance to wear. With these characteristics it is a popular high tensile engineering steel with a tensile of 850-1000Mpa. At low temperatures it has reasonably good impact properties. It is also suitable for a variety of elevated temperature applications. For maximum wear and abrasion resistance the steel can be nitrided to give a shallow depth wear resistant case. Flame or induction hardening of 708M40T can give a case hardness of 50HRc or higher.
 
Applications
SAE 4137H is now widely used in areas such as the motor, oil and gas industries. Suitable for components such as shafts, gears, spindles, bolts, studs and a wide variety of applications where a good quality high tensile steel grade is required.
 

All Grades Comparison

DIN	BS	SAE	ASTM	JIS	ANFOR	UNI	SS
1.7225	708M40	J1268	4137H	SCM4H	40CD4	38CrMo4KB	2244

 
Chemical Composition(%)

C	Mn	Si	P	S	Cr	Mo
0.34-0.41	0.60-1.00	0.15-0.35	0.035 max	0.040 max	0.75-1.20	0.15-0.25

Mechanical Properties (T=20°C if not differently stated)

Tensile Strength (Mpa)	Yield Strength(Mpa)	Fracture elongation A5 (%)	Notch impact energy ISO-V [J]	Hardness (HB)
850-1000	650 min	13 min	35 min	248-302

 

Forging:Preheat SAE 4137H carefully, then raise temperature to 850-1200°C for forging. Do not forge below 850°C. After forging SAE 4137H, cool slowly in still air.
Annealing:Heat SAE 4137H slowly to 680-700°C. Cool in air.
Hardening:SAE 4137H is commonly supplied ready heat treated. If further heat treatment is required annealed SAE 4137H should be heated slowly to 860-890°C and after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.
Tempering: Heat the component carefully to a suitable temperature selected by reference to a tempering chart or table, soak at the temperature for two hours per 25mm of ruling section, then allow to cool in air. Tempering between 250-375°C is not advised as tempering within this range will seriously reduce the impact value.

Specification

Product Name	Forged QT Boring Alloy Steel Bar For Oil Services
Specification	API 5CT/5CP/6A
Steel Grade	4130, 4140, 4145, 4145H, 4330V, 4137H, 4340
Process	Hot Forged+QT+Boring
Forged Bar Diameter	8-500mm
Boring Hole Diameter	10-250mm
Length	Max14 meters
Inspection	Size, Chemical, Mechanical, UT, Drift Test, Low/High Temp. Impact
Certificate	MTC, CO/FE/FA, BV/SGS
MOQ	1-5 tons
Delivery Time	10-30 days
Trade Item	FOB CIF CFR PPU PPD
Packaging	Loose/Bundle/Wooden Pallet/Wooden Box/Plastic Cloth Wraps /Plastic End Caps/Beveled Protector

 

Main Material

 

COLD WORK TOOL STEEL
Grade	AISI  /ASTM	DIN (W.Nr)	JIS	EN/ BS	GB
DC53	higher than D2		SKD11	XW-5	Cr8Mo2Vsi
D2	D2	1.2379	SKD11	BD2	CR12MO1V1
Cr12MoV					CR12MOV
D3	D3	1.2080	SKD1	BD3	CR12
O1	O1	1.2510	SKS3		9CRWMN
HMD5		HMD5			7CrSiMnMoV
5CrNiMo	L6	55NiCrMoV6	SKT4		5CrNiMo
52100	52100	1.3505		EN31	GCR15
HOT WORK TOOL STEEL
H13	H13	1.2344/1.2342	SKD61/DAC	8407	4CR5MOSIV1
FDAC		1.2347	FDAC		FDAC
H11	H11	1.2343	SKD6		H11
3Cr2W8V	H21	1.2581/ X30WCrV93	SKD5	BH21	3CR2W8V
PLASTIC MOULD STEEL
P20	P20	1.2311	HPM7/PX88	618	3CR2MO
718	P20+NI	1.2738	PX4/PX5	718	3CR2NIMO
S136	420	1.2083	S-STAR	S136	4CR13
NAK80	P21 /P20+S	1.2312	NAK80		15NI3MN
HIGH SPEED STEEL
M2	M2		SKH51		W6MO5CR4V2
M42	M42	S2-10-1-8	SKH59		W2MO9CR4VCO8
ALLOY STRUCTURE STEEL
Grade	AISI  /ASTM	DIN (W.Nr)	JIS	EN/ BS	GB
5120	5120	1.7027 /21Cr4	SCr420		20Cr
530M40 /5140	530M40 /5140	1.7035 /41Cr4	SCr440		40Cr
5145	5145		Scr445		45CR4
4118	4118	1.7243 /18CrMo4	SCM418 / SCM420		20CrMo
4135	4130	1.7218 /25CrMo4	SCM430	708A25/ 708M25	30CrMo
4140	4140	1.7225 /42CrMo4	SCM440	EN19/ 709M40	42CrMo
4340	4340	1.6582/ 34CrNiMo6	SNCM 439/ SNCM8	EN24/ 817M40	40CrNi2Mo
8620	8620	1.6523/ 21NiCrMo2	SNCM220	805M20	20CrNiMo
CARBON STEEL
20	1020	C22. CK22	S20C	EN3B /070M20	20
35	1035	C35.CK35	S35C		35
45	1045	C45.CK45	S45C	EN8D/C45E	45
50	1050	CK53	S50C	EN9/070M55	50
Q355		S355J   /ST52		EN14	Q355
30Mn	1030.1033		S30C		30Mn
30Mn2	1330	30Mn5	SMn433h		30Mn2
STAINLESS STEEL
steel grades: 304, 304L, 316, 316L, 321, 410 430, 431, 2205, 2304, 2507. F53, F55

 

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