HUBEI SHILI MOULD MATERIAL CO., LTD | |||||||||||||||
Yang Ye Zhen Industrial Park,Ezhou City,Hubei Province,China | |||||||||||||||
Specification No. SL-9CrWMn/1.2510-Rev1 | |||||||||||||||
Steel grade | Standard | Dia./Thickness | Width | Lengths | Tolerance | ||||||||||
9CrWMn | GBT 1299-2014 | 8-75 mm | 310-610 mm | 2000-5800 mm | Thickness 0/+2 mm | ||||||||||
1.2510 | DIN ISO 4957 | Width 0/+10 mm | |||||||||||||
Manufacturing conditions | Heat treatment | Other regulations | |||||||||||||
Hot rolled alloy steel flat bars | Annealed | EF+ LF+VD | |||||||||||||
Delivery in black/Sand Blast/ Machining | Reduction ratio ≥ 3 | ||||||||||||||
Top & Bottom Ends of bars sawn | Fully formed structure | ||||||||||||||
Permissible curvature of not more than | 100% mismatch checked | ||||||||||||||
7.6mm over the whole length of products | |||||||||||||||
Chemical composition - heat analysis (%) | |||||||||||||||
C | Si | Mn | P | S | Cr | V | W | ||||||||
min. | 0.85 | 0.10 | 1.00 | 0.40 | 0.20 | 0.40 | |||||||||
max. | 1.00 | 0.50 | 1.40 | 0.030 | 0.030 | 0.60 | 0.30 | 0.60 | |||||||
Surface hardness | |||||||||||||||
Max.229HB | |||||||||||||||
Mechanical properties | |||||||||||||||
Tensile test | Unit | Remarks | |||||||||||||
Rm | - | N/mm2 | |||||||||||||
Re | - | N/mm2 | |||||||||||||
A | - | % | |||||||||||||
Z | - | % | |||||||||||||
Impact test | |||||||||||||||
ISO-V | - | ||||||||||||||
Metallography - microstructure | |||||||||||||||
Structure | - | ||||||||||||||
Grain size | 6-8 acc. to ASTM | ||||||||||||||
Shipping Mark | Head of bars stamped with grade,heat No.,weight,size | ||||||||||||||
US test | acc. to SEP 1921 D/d/3 to be confirmed in MTC | ||||||||||||||
Surface test | 100% visually checked, clean surface free from defects. | ||||||||||||||
Quality Certificate | EN 10204/3.1 with full chemical composition | ||||||||||||||
Other requirements : -Hardness in HB,Reduction ratio, UT test,Non-metallic inclusions , grain size, standard, | |||||||||||||||
free from radioactivity checked to be confirmed in MTC. |
Q1 : Are you a trading company or manufacturer?
We are a real manufacturer , specializing in tool steels and special steels for over 15 years. Our factory is located in huangshi , hubei , which is the biggest tool steel production base in China . And we are also the top1 rolling mill to roll plates in Hubei province.
Q2 : What's your main production equipment ?
Our melting method is EF+LF+VD , equip 8ton +20ton +20ton melting furnaces;
We are equipped with #850 auto-rolling machine to roll our flats , the monthly capacity is 5000ton ;
We are also equipped 6 electric heat treatment furnaces doing annealing + 8 ends sawn doing ends cutting +2 straighten machine ;
We are equipped with independent testing lab to ensure chemical composition, UT and hardness qualified.
Q3 : What's your main tool steel grades your company offers ?
All kinds of hot work tool steels and cold work tool steels , some bearing steels and placstic steels like as 1.2379/D2,1.2601/D5/Cr12MoV,
1.2080/D3/Cr12,1.2631/DC53,1.2363/A2,1.2510/O1,1.2842/O2,1.2550/S1,1.2357/S7,1.2436/D6,1.2419/O7, 1.2343/H11, 1.2344/H13,1.2367,
1.2714/L6, 9Cr18Mo,GCr15/52100 etc, in round bar, flat bar, and plate, And provide Customized services to you.
Q4 : What is your MOQ?
Our MOQ for each size is 500kgs ; MOQ for each order is around 25-27.5Tons(one container), customer can mix different grades and sizes in one container .
Q5 : How to ensure good quality ?
Over years our factory developed very mature acknowledge and unique patent technology to roll plates and rounds , especially very thin flats ,
to ensure qualified inner and surface quality . What's more , we have the very professional and experienced inspectors to do testing for each flat and each round before delivery . We can provide MTC for each steel .
Q6 : Can we visit your company and factory?
Yes, warmly welcome! You can come to China and visit us at any time .