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Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

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중국 TOBO STEEL GROUP CHINA 인증
중국 TOBO STEEL GROUP CHINA 인증
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Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing
Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

큰 이미지 :  Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

제품 상세 정보:
원래 장소: 중국
브랜드 이름: TOBO
인증: CE&ISO
모델 번호: 합금강 라운드 바
결제 및 배송 조건:
최소 주문 수량: 1개
가격: 협상 가능
포장 세부 사항: 당신의 요구조건에 따르면
배달 시간: 0 일
지불 조건: L/C, D/A, D/P, T/T, 서부 동맹, MoneyGram
공급 능력: 10000 PC/달

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

설명
제품명: 합금강 라운드 바 특수 파이프: API 파이프
유형: 스틸 메탈 바 배송조건: 저장고를 받은 후 within15 일
표면: 열간압연 부식 저항: 높은
면적 축소: 鎮ㄨ鎵剧殑璧勬簮宸茶鍒犻櫎銆佸凡鏇村悕鎴栨殏鏃朵笉鍙敤銆 영향 가치: ≥50J
등급: 1.7225 합금 열처리: 담금질 및 템퍼링, 단련
생산 기술: 핫 롤링 또는 가공 상태 포장: 번들
모양: 둥근 직경 범위: 6 밀리미터 내지 200 밀리미터
경쟁 우위: 순도와 균질성이 좋습니다.

Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing

 

This 4140 alloy steel round bar combines the structural integrity of hot rolling with the precision of ground surface treatment, tailored specifically for high-demand hardware applications. The hot-rolled base ensures a dense, uniform internal structure with excellent mechanical strength, while the precision ground finish delivers ultra-tight diameter tolerances, a smooth surface and minimal machining allowance—ideal for producing high-precision hardware parts.
 
As a classic medium-carbon alloy steel, 4140 offers outstanding tensile strength, wear resistance and hardenability, with superior performance after heat treatment. It excels in withstanding repeated loads and friction, making it the preferred material for heavy-duty hardware components.
 
Widely used in manufacturing fasteners, hinges, precision shafts, hand tools, locks and hardware accessories. Strict quality control ensures consistent chemical composition and dimensional accuracy, providing a reliable foundation for high-quality hardware production across industrial and commercial sectors.

 

Products round bar
Material SS400 S45C S20C
Standard ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167
Length 3-12m
Size 8-400mm
Application ships building industry,petroleum,chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields.
Payment Terms L/C , T/T or Western Union

 

ABOUT US

We specialsied in kinds of steel products more many years,especially in hot rolled steel round bars ,square bars,flat bars ,cold drawn bars and forged bars.
Our main material are all carbon steel and alloy steel ,such as :aisi1020 1035 1045 1055 s20c s35c s45c s55c ss400 a36 c20 c35 c45 ck45 aisi4140/scm440 aisi4340/40crnimoa aisi8620H,40cr,gcr15,sae52100,20Mn,40Mn,St52,St37,S235JR,etc

1. Grade:

45# 45B S45C C45 CK45 Cm45 AISI1045 SAE1045 ASTM1045 XC45 1.0503 0.1191 1.1201

2. Specification:

Dia: 20-300mm, Length:2000-13000mm or as required

3. Process:

Hot rolled, black surface

4. MOQ:

20mt.

5.. Chemical composition:

Grade C Si Mn P S B
45#

0.42

0.50

0.17

0.37

0.50

0.80

Max

0.035

Max

0.035

 
45B

0.42

0.49

0.17

0.37

0.60

0.90

Max

0.035

Max

0.035

0.0005

0.0035

S45C

0.42

0.48

0.15

0.35

0.60

0.90

Max

0.030

Max

0.035

 
1045

0.43

0.50

0.15

0.35

0.60

0.90

Max

0.030

Max

0.050

 

6.Quality condition

 

1): Straightness: 3mm/m (max)
2): Corner Radius: 3(max)
3): The ends will be end cut or gas cut
4): No cracks on the surface

7. Standard:

According to national standard (GB)for our products, if not, supply according to national standards(GB) or agreement.

Standards

ASTM / ASME,GB,DIN, JIS,T14975, etc
Steel Grade
200, 201B , 201H ,301, 303, TP304, TP304L/304L, 321 ,TP321, 316, TP316L, 316L, 316Ti,
Out Diameter
6mm to 2000mm or customized
Wall Thickness
0.5-220mm
Length
5.8m ,6m,or customized
Tolerance
Out diameter : +/-0.15mm ,Thickness: +/-11% of wall thicknessLength: +/-4.5mm - 0mm
Surface
Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4
MOQ
1 ton
Supply ability
3000 tons per month
Packing
3, bundles to be covered by polythene & strapped securely
Payment terms
T/T or L/C,TT 30% in advance ,70% balance after received B/L copy
Delivery terms
FOB CFR CIF EX Works DDU
Delivery time
Within 5-20 days after received the deposit or as client's requirements

 

 Hot Rolled & Ground 4140 Alloy Steel Round Bar for Precision Hardware Manufacturing 0                                             

 

 

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delivery&packing


Packaging: In wooded cases , pallets or according to clients' requirements


Shipping: Tianjin port, Shanghai port and the other main ports in China


Our service
FAQ
Q:Are you trading company or manufacturer ?
A: We are factory.


Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

 

연락처 세부 사항
TOBO STEEL GROUP CHINA

담당자: Ms.

전화 번호: 13524668060

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