SAE 4340 40CrNiMoA, 871m40 Sncm439 Cold Drawn Alloy Steel Bars

• After-sales Service: 7 X 24 Hours One Week
• Warranty: 12 Months
• Type: Carbon and Alloy
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Cold Drawn
• Application: Structural Steel Bar, Tool Steel Bar
• Alloy: Non-alloy
• Special Use: Free Cutting Steel
• MOQ: 1ton Per Size
• Surface Like: Smooth and Bright
• Length: 4-12m Random Length or Customized Fixed Length
• Rusty Feature: Not Easy Get Rusty Indoors
• Straightness Degree: Max 0.8mm/M
• Tolerance Class: H11
• Transportation Packing: Wrapped by Steel Strips and Plastic Clothes
• Special Packing: Wood Crate
• Customized Service: Heat Treatment, Short Piece Supply
• Cutting Pieces Tolerance: -0.1/+0.1mm
• Transport Package: Plastic Clothes Covered, or Loaded in Wood Cases
• Specification: OD 5-100mm
• Trademark: Xinruyi
• Origin: Shandong, China
• Production Capacity: 3000 Tons Per Year

Product Description

 

 

1. Company profile

Liaocheng Xinruyi Trading Co., Ltd built in year 2017 with registered capital of 3000, 000RMB, and we have been in the steel products industries for more than 10years. The company is located in Liaocheng City, next to capital of Shandong Province, and it enjoy good transportation environment of 3 hours to nearest port and 1 hour reaching the airport. 

As it is well known to all, Liaocheng city is the biggest steel pipe base in North China, with this significant advantage on geography aspect, us company have developed into one modern international trading and exporting company. Our salesmen are trained to get the best and professional skills on doing export trading dealing with various kinds of issues in the trading, which is a base that our buyers can have good buying experience. Till now we can supply the good quality products consisting of and not limit to the following, steel pipes, bars, rock bolts, guardrail composite pipe, guardrail board, color coated steel coils, galvanized coils, steel balls, steel chains, steel plates and steel bearing. Besides we can provides processing procedures for the steel products, like anti-rust protecting, cutting and chamfer, coupling, heat treating, bending, galvanizing, polishing, beveling and so on. 

With efforts of Xinruyi People we have the pleasure to serve the clients from more than 20 countries and areas, We earned good reputations from the clients without any claim. We finally become good friends and intimate partners with them. 

Looking forward, we get good confidence that we will expand our business scales to more countries and areas, and serve more people in the world. Because we always believe quality of the commodity is the life of company, stability is the essence of quality. Also the integrity in business will help bring the long term business relationship, so it is the code that one company can develop and survive. 

Xinruyi is looking forward to the cooperation with you!

 

2.Production procedures and advantaged features of commodity

Production line: hot rolled bars/wire rods - (spheroidizing annealed for alloy steel/bearing steel) - pickling - cleaning - saponifing - cold drawn - (softening annealed for alloy steel/bearing steel) - cutting - bundling - packing - finished products

Advantage of cold drawn bars mainly consisting of : it have greater size accuracy, straightness and increased tensile and yield strength as well as improved machinability, so it is widely used as hardware tools, auto parts, standard parts, fasteners common shaft, machinery manufacturing, light industry, hardware, bicycles, cars, motorcycles, textile machinery, transformers and other machinery industry.

 

3.Our mill supplying size ranges grades variety

Our cold drawn steel bars include steel round bars, square steel bars, rectangular bars (flat bars), hexagonal bars, and special shaped steel bars.

Shapes		Sizes	Processing
Steel Round Bar		5mm to 100mm	Cold Drawn
cold drawn steel square bar		5*5mm to 120*120mm	Cold Drawn
Cold drawn flat bar		5*20mm to 20*100mm	Cold Drawn
cold drawn steel hex bar		5mm to 120mm	Cold Drawn
cold drawn steel hexagonal bar		5mm to 120mm(side to side)	Cold Drawn
Cabon 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
Free Cutting Steel	SAE 1215, 12L14, SUM22, SUM23 , 230M07, 1.0715, 11SMn30 , SUM43 , 1144

4.Tolerance classes reference and our goods carrying out standard

For the moment all our delivered goods carry out the tolerance class of H11.

NOMINAL SIZE DIAMETER mm	H8	H9	H10	H11 (Xinruyi Goods Delivered Standard)
1 to 3	-0.014	-0.025	-0.04	-0.06
	(-0.00055")	(-0.00098")	(-0.00158")	(-0.00236")
Over 3 to 6	-0.018	-0.03	-0.048	-0.075
	(-0.00071")	(-0.00118")	(-0.00189")	(-0.00295")
Over 6 to 10	-0.022	-0.036	-0.058	-0.09
	(-0.00086")	(-0.00142")	(-0.00228")	(-0.00354")
Over 10 to 18	-0.027	-0.043	-0.07	-0.11
	(-0.0001")	(-0.00169")	(-0.00275")	(-0.00433")
Over 18 to 30	-0.033	-0.052	-0.084	-0.13
	(-0.00129")	(-0.00205")	(-0.00331")	(-0.00512")
Over 30 to 50	-0.039	-0.062	-0.1	-0.16
	(-0.00153")	(-0.00244")	(-0.00393")	(-0.00630")
Over 50 to 80	-0.046	-0.074	-0.12	-0.19
	(-0.00181")	(-0.00291")	(-0.00472")	(-0.00748")
Over 80 to 120	-0.054	-0.087	-0.14	-0.22
	(-0.00213"	(-0.00343")	(-0.00551")	(-0.00866")
Over 80 to 120	-0.063	-0.1	-0.16	-0.25
	(-0.00248")	(-0.000393")	(-0.00629"	(-0.00984")

5.Packing and shipping condition

 

 

6.Factory production line and wharehouse

 

7.Why choose us

Δ More than 10years experience in the steel industry ensuring best ability supplying you best solutions on goods design, processing, transportation, and cost control.

Δ Abundant ready stocks and sizes ensuring you the shortest delivery time.

Δ Quality assured.One MTC sheet issued by us will be presented together with other shipment documents. We accept any quality claim raised within one year.

Δ Customized service help you avoid complex follow-up work, our professional processing on goods itself find you one-stop buying here.

Finally we welcome your kind inquiry! One time cooperation, partners forever!