High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

Model NO.

4130 SCM430 SCM420 25CrMo4 1.7218 30CrMo

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Wear-Resistant Steel, Cold Heading Steel, Free-Cut

Physical Properties, Flaw Detection

7-20days

Public Errand

0.1

Testing

Physical Properties, Flaw Detection

Delivery Conditions

Forging/Hot Rolling/Cold Drawing

Transport Package

Standard Seaworthy Export Packaging or as Required

Specification

3000-9000mm

Trademark

meide

Origin

Shandong, China

HS Code

7215500000

Production Capacity

1000 Ton/Month

Reference Price

$ 486.00 - 688.50

Contact Us

Description

Product Description

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

The S and P impurity content of 1015high-quality carbon structural steel is lower than that of ordinary carbon structural steel, generally below 0.035% (mass fraction). According to the carbon content, it can be divided into low carbon steel, medium carbon steel and high carbon steel; According to the different manganese content, it can be divided into two categories: ordinary manganese content and high manganese content. This kind of steel has a large output and a wide range of uses. Most of them are rolled (or forged) into round, square and flat products, and some are made into pipes and wires. It is generally used after heat treatment such as normalizing or tempering, and is mostly used for machinery or machine structural parts. 1015 steel is a low carbon steel material with good ductility and plasticity. Because of its low carbon content (between 0.12-0.18%), its hardness is relatively low. In addition, due to the low carbon content of No. 15 steel, it is difficult to improve the hardness of parts made of such materials after heat treatment. It needs to be heated to above 1100 ºC, which can not be handled by ordinary barium salt bath furnace, and needs to be heated by high temperature nitrate bath furnace.

Material	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
ASTM 5115	0.18	0.37	0.7	0.035	0.035	1	0.3	0.3	0.15
ASTM 5120	0.24	0.37	0.8	0.035	0.035	1	0.3	0.3	0.15
ASTM 5130	0.34	0.37	0.8	0.035	0.035	1.1	0.3	0.3	0.15
ASTM 5140	0.44	0.37	0.8	0.035	0.035	1.1	0.3	0.3	0.15
ASTM 5145	0.49	0.37	0.8	0.035	0.035	1.1	0.3	0.3	0.15
ASTM 4119	0.15	0.37	0.7	0.035	0.035	0.7	0.3	0.3	0.55
ASTM 4130	0.34	0.37	0.7	0.035	0.035	1.1	0.3	0.3	0.25
ASTM 1335	0.38	0.35	1.9	0.035	0.04	0.2	0.25	0.35	0.06
ASTM 4317	0.4	0.37	0.7	0.035	0.035	1.1	0.3	0.3	0.25
ASTM 4140	0.45	0.37	0.8	0.035	0.035	1.2	0.3	0.3	0.25
GB38CrMoAI/JIS SCM645	0.42	0.45	0.6	0.035	0.035	1.65	0.3	0.3	0.25
ASTM 6150	0.54	0.37	0.8	0.025	0.025	1.1	0.3	0.25	0.1
ASTM 4142	0.45	0.37	1.2	0.035	0.035	1.2	0.3	0.3	0.3

Commodity	Cold Drawing / Drawn Flat/ Square / Rectangular / Rectangle / Hexagonal / Special Shape Rods Bars
Standard	GB/T 3078-2023, GB/T 905-1994
Grades	Carbon steel	SAE 1018 , A36, SS400, S235JR, Q235, SAE 1020, S20C , 1.0402, 20GB, CK22, SAE 1045 ,S45C, C45, CK45, EN8 ,1.1191
	Alloy steel	SAE 5120 , 20Cr, Scr 420H, 20Cr4, SAE 5140 , 40Cr,SCr440, 520M40, SAE 4130 , 30CrMo, SCM430, SCM420, SAE 4140 , 42CrMo4, EN19, SCM440, 708A42, 708M40, SAE 4340, 40CrNiMoA,871M40 , SNCM439
Specification	Round Bar	5mm to 100mm
	Square bar	55mm to 120120mm
	Flat bar	520mm to 20100mm
	hex bar	5mm to 120mm
	hexagonal bar	5mm to 120mm (side to side)
Tolerance	Class H11
Length	4-12m random length or as per request fixed length
Surface	Bright, or dark as per required
Packing	Wrapped by plastic clothes and steel strips
Delivery Condition	BK, BKW, GBK, NBK
Container Size	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)
Application	hardware tools, auto parts, standard parts, fasteners common shaft, machinery manufacturing, light industry, hardware, bicycles, cars, motorcycles, textile machinery, transformers and other machinery industry.
Advantages	greater size accuracy, straightness and increased tensile and yield strength as well as improved machinability
MOQ	1 tons

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

Theoretical weight table of square steel
Side length (mm)	Cross sectional area (cm2)	Theoretical weight (kg/m)	Side length (mm)	Cross sectional area (cm2)	Theoretical weight (kg/m)
5mm	0.25	0.196	30mm	9.00	7.06
6mm	0.36	0.283	32mm	10.24	8.04
7mm	0.49	0.385	34mm	11.56	9.07
8mm	0.64	0.502	36mm	12.96	10.17
9mm	0.81	0.636	38mm	14.44	11.24
10mm	1.00	0.785	40mm	16.00	12.56
11mm	1.21	0.95	42mm	17.64	13.85
12mm	1.44	1.13	45mm	20.25	15.90
13mm	1.69	1.33	48mm	23.04	18.09
14mm	1.96	1.54	50mm	25.00	19.63
15mm	2.25	1.77	53mm	28.09	22.05
16mm	2.56	2.01	56mm	31.36	24.61
17mm	2.89	2.27	60mm	36.00	28.26
18mm	3.24	2.54	63mm	39.69	31.16
19mm	3.61	2.82	65mm	42.25	33.17
20mm	4.00	3.14	70mm	49.00	38.49
21mm	4.41	3.46	75mm	56.25	44.16
22mm	4.84	3.80	80mm	64.00	50.24
24mm	5.76	4.52	85mm	72.25	56.72
25mm	6.25	4.91	90mm	81.00	63.59
26mm	6.76	5.30	95mm	90.25	70.85
28mm	7.84	6.15	100mm	100.00	78.50

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

Material	Diameter of sample d mm	Heat treatment or condition.	Tensile strength σb Mpa	Point of yield σs Mpa	Ratio of elongation δ %	Reduction of section ψ %	hardness HBW	Shock absorption energy KV2 J
ASTM 5115 45Cr	d=15	Quenching + tempering	≥735	≥490	≥11	≥45	≤179	≥55
ASTM 5120 20Cr	d=15	Quenching + tempering	≥835	≥540	≥10	≥40	≤179	≥47
ASTM 5130 30Cr	d=25	Quenching + tempering	≥885	≥685	≥11	≥45	≤187	≥47
ASTM 5135 35Cr	d=25	Quenching + tempering	≥930	≥735	≥11	≥45	≤207	≥47
ASTM 5140 40Cr	d=25	Quenching + tempering	≥980	≥785	≥9	≥45	≤207	≥47
ASTM 5145 45Cr	d=25	Quenching + tempering	≥1030	≥835	≥9	≥40	≤217	≥39
ASTM 4119	d=30	Quenching + tempering	≥410	≥265	≥24	≥60	≤179	≥110
ASTM 4130	d=25	Quenching + tempering	≥930	≥785	≥12	≥50	≤229	≥63
ASTM 4317	d=25	Quenching + tempering	≥980	≥835	≥12	≥45	≤229	≥63
ASTM 4140	d=25	Quenching + tempering	≥1080	≥930	≥12	≥45	≤217	≥63
GB38CrMoAI/ JIS SCM645	d=30	Quenching + tempering	≥980	≥835	≥14	≥50	≤229	≥50
ASTM 6150	d=25	Quenching + tempering	≥1280	≥1130	≥10	≥40	≤255	d=25
ASTM 4142	d=25	Quenching + tempering	≥980	≥785	≥10	≥45	≤217	≥63

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

Packaging	1. by bundles, each bundle weight under 3 tons, for small outer diameter steel bars, each bundle with 4 - 8 steel strips. 2. after making by bundle, covered with Polyethylene waterproof cloth. 3. make black paints painting on each bar, then make bundles
20 feet container contains dimension	Length under 6000mm
40 feet container contains dimension	Length under 12000mm
By bulk vessel	Freight charge is low by bulk cargo, and large heavy sizes can not be loaded into containers can shipping by bulk cargo

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

High Precision 4130 Scm430 Scm420 25crmo4 1.7218 30CrMo Hard Chrome Plated Steel Rods for for Engineering Structures

1. Who are we?
Our headquarter is located in Shandong, China. Since 2023, we have sold to North America (60.00%), Western Europe (14.00%) and South America (6.00%). There are about 11-50 people in our office.

2. How do we guarantee quality?
Always provide pre-production samples before mass production;
Always carry out final inspection before shipment;

3. What can you buy from us?
Copper, aluminum, die steel, titanium, customized machine parts
4. Why should you buy from us instead of other suppliers?
The company has 25 years of production experience. It has advanced precision production equipment, modern large warehouse, 200000 tons of inventory goods and a number of long-term stable cooperative customers.

5. What services can we provide?
Accepted delivery conditions: FOB, CFR, CIF, EXW
Accepted payment currency: US dollar, Euro, Japanese yen, Canadian dollar, Australian dollar, Hong Kong dollar, British pound, RMB, Swiss franc;
Accepted payment type: T/T, L/C, D/P D/A, PayPal;
Optional ports: Tianjin, Shanghai, Guangzhou;
Spoken: English, Chinese

6. How can we get your price?
A. We need the following information to quote for you:
1). Product Name
2). standard
3). Material grade (chemical composition)
4). dimension
5). amount
6). Special part drawin

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