Description:
  
Product Name: stainless steel 7Cr17 / 440B stainless steel chemical composition
Stainless Steel: 7Cr17
Standard: GB / T 1220-1992
● Features and Scope:
The hardened state, hard, but higher than the 8Cr17,11Cr17 toughness. Used as cutting tools, measuring tools, bearings.
● Chemical Composition:
Carbon C: 0.60 ~ 0.75
Si Si: ≤1.00
Manganese Mn: ≤1.00
Sulfur S: ≤0.030
Phosphorus P: ≤0.035
Chromium Cr: 16.00 ~ 18.00
Ni: to allow contains ≤0.60
Mo Mo: can join ≤0.75
● Mechanical Properties:
Hardness: annealing, ≤255HB; quenching and tempering, ≥54HV
● Heat treatment and microstructure specifications:
Heat treatment specifications: 1) annealing, 800 ~ 920 ℃ slow cooling; 2) quenching, 1010 ~ 1070 ℃ oil cooling; 3) tempering, 100 ~ 180 ℃ rapid cooling.
Microstructure: Organizing for the martensite type.
● Delivery status: to heat treatment delivery in general, the treatment types specified in the contract; not indicated, by not heat treatment delivery.
How to apply for Returns:

1 If your order need to apply for return, please be sure to call or e-mail by way VANCL customer service center.
Customer Service Tel: 0512-89992846 13382183133
Customer-mail: wqplgr@sina.com

2 Beijing, Shanghai (except Chongming outside), Guangzhou, Shenzhen, Jiangsu, Sichuan, Chongqing, Anhui, Hubei, Hunan, Zhejiang, Shandong, Jiangxi, Fujian, Guizhou, Yunnan, Guangxi, Hainan, and other parts of the region has opened the door to return business, you can access the help center check whether your area has opened the door for return business, please call VANCL For handle customer service hotline.

1) customer service phone after receiving your registration will be time for you to return a single after single registration and distribution staff will return with the goods after the replacement / return single handle return service for your home.
2) When you return home you will be required to handle returned merchandise, along with the invoice to be returned along with the invoice delivery personnel.
3) After the completion and acceptance of goods delivery personnel will be replaced on the spot handed your hands or on the spot for your refund service.
Special Instructions: Select the payment method when ordering original orders for POS machine credit card payment after delivery or goods, will retire in cash when you return to your door handle; other payment methods, we will as soon as possible after receipt of returned goods the return of the purchase price of the original channel. (SMS notification will refund you the financial success)

3 does not support the return of the door handle area, please strictly follow these steps:

1) VANCL call the customer service hotline, customer service staff will help you register for return single;
After two) customer service for you to return a single registration system for you automatically retain stock 7 days, please be sure to return the goods within 7 days to VANCL coffers, seven days after the stock will be automatically released.
3) In order to ensure the timely return of goods after receiving it for you, be accompanied by invoices and invoice orders, please return the goods.
4) We have received your returned merchandise will you return the goods for quality control, and then return operation according to your needs.
5) If the handle returns, refunds will use your original method of payment orders to return, choose to pay cash postal money orders or bank transfer refund. Both methods use the refund to reach your account will take some time, bank transfer will be based inter-bank transfers between different bank credited period and different, postal remittance may be due to the differences between regions and different post office.
6) retirement / replacement parcel receiving address
Address: Wuzhong District, Suzhou City Mudu Mudu Town Road on the 28th (Jinqiao Development Zone)
Zip Code: 21500
Recipient: Metal Materials Co., Ltd., Suzhou same
7) due to the quality of goods

Solemn commitment, where the company sold products are quality problems can enjoy 15 days package returned, and complete technical guidance and improve the service! All of our products pay for materials out of the library report a problem with the sale of goods and materials, for a full refund.

Wholesale
Mixed batch

Support mixed batch, more than [5000] yuan from the grant or [50] kg or more from the grant
Where a single purchase amounted to more than 5000 yuan, you can enjoy 9.8% discount.

One-time purchase amount exceeds 300KG, the Jiangsu Company free delivery, free shipping on all provinces!

What is a mixed batch?
Mixed batch is limited to the range of products and styles, as long as the buyers purchase price (or total) at or above the set amount (or number) you can enjoy the wholesale price.

Company Name: Suzhou, with Metal Materials Co., Ltd.
Contact: a business, business two Miss Lu Wang Jia Li Miss Miss Miss Yu Lu business into three
Mobile Number: 13382183133 13222994877 15295660813
Tel: 0512-66259290 6,637,946,389,992,846 --- 15295660813 --- 66259290
Fax: 0512-66263181
Contact Address: Wuzhong District, Suzhou City Mudu Wood Road Town on the 28th
A business: 0512-66259290 Miss Jia
Business Department: 0512-66379463 Miss Lai
Three businesses: 0512-89992846 Miss Lu
Business four: 15295660813 Miss Yu
Sales: 0512-66259290 15295660813
Foreign trade department: 0512-89992846
Finance Department: 13382183133
Technical Department: 13222994877
Customer Service Department: 0512-89992846
Contact QQ: 598723108 (45746150)
Postal Code: 215000
E-mail: wqplgr@sina.com
Website: http://www.szrtjs.com